CN212461603U

CN212461603U - Forming die is used in triode production

Info

Publication number: CN212461603U
Application number: CN202021016564.1U
Authority: CN
Inventors: 李波
Original assignee: Individual
Current assignee: Shenzhen Jingpin Precision Mould Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-02
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to the technical field of triode production, in particular to a forming die for triode production, which comprises a bottom plate, wherein the left side and the right side of the top end of the bottom plate are fixedly provided with a baffle plate, the opposite side of the two baffle plates is vertically provided with a mounting groove, a screw rod is vertically movably mounted in the mounting groove, a cavity is arranged in the bottom plate, the bottom end of the screw rod downwards passes through the bottom plate and extends to the inner cavity of the bottom plate to be movably connected with the bottom wall of the cavity, the lower part of the outer side of the screw rod is fixedly sleeved with a gear, and a worm meshed with the gear is transversely movably mounted in the cavity, so that the fixing of a metal plate can be completed in the process of closing the die, the situation that the metal plate shakes during the injection molding process to influence the quality of a triode finished product is avoided, and the fixing, the molded triode is convenient to take out, and is worth popularizing and using.

Description

Forming die is used in triode production

Technical Field

The utility model relates to a triode production technical field especially relates to a forming die is used in triode production.

Background

The triode is a semiconductor device for controlling current, which is called a semiconductor triode, also called a bipolar transistor and a transistor. The function is to amplify the weak signal into an electric signal with larger amplitude value, and the electric signal is also used as a contactless switch.

In the production process of the triode, the metal plate and the pins need to be subjected to plastic package forming, the metal plate and the pins are placed in a mold in the conventional plastic package forming process, the interior of the mold is subjected to injection molding, the plastic package forming is realized, the tail end of the metal plate cannot be fixed in the process, and when the metal plate is subjected to injection molding, flowing plastic package materials can impact the tail end of the metal plate to enable the tail end of the metal plate to move, so that the plastic package thickness of the tail end of the formed triode is uneven, the integral quality of the triode is poor, and therefore the forming mold for producing the triode is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a forming die for producing triodes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a forming die for producing triodes, which comprises a bottom plate, wherein baffles are fixedly arranged on the left side and the right side of the top end of the bottom plate, mounting grooves are vertically formed in opposite sides of the two baffles, a screw rod is vertically and movably mounted in the mounting grooves, a cavity is formed in the bottom plate, the bottom end of the screw rod downwards penetrates through the bottom plate to extend to the inner cavity of the bottom plate to be movably connected to the bottom wall of the cavity, a gear is fixedly sleeved at the lower part of the outer side of the screw rod, a worm meshed with the gear is transversely and movably mounted in the cavity, the left end of the worm penetrates through the left side wall of the cavity to extend to the outer part of the bottom plate, a rotating handle is fixedly connected with the outer part of the cavity, a lower template is jointly mounted at the top ends of the two baffles, an upper template is sleeved, the utility model discloses a die casting device, including cope match-plate pattern, lower bolster, mounting groove, three lead screw hole, the outside screw thread cover of lead screw is equipped with mounting groove assorted installation piece, two the equal fixed mounting in one side relative of installation piece has the connecting plate, the vertical fixed mounting in top rear side of connecting plate has the dead lever, the top of dead lever passes the lower bolster and extends to its inside, the bottom middle part of lower bolster is equipped with jacking system.

Preferably, the upper part and the lower part of the screw rod are provided with threads in opposite directions.

Preferably, a limiting block is fixedly mounted at the top end of the screw rod.

Preferably, the jacking device includes fixed shell, the top fixed connection of fixed shell is in the bottom middle part of lower bolster, the vertical interlude in middle part of fixed shell has the ejector pin, the fixed push pedal that is equipped with of outside cover of ejector pin, the outside cover of ejector pin is equipped with the spring, the spring is located the top of push pedal, the top of ejector pin upwards passes the lower bolster and extends to its inside.

Preferably, the opposite side of the lower template and the upper template and the inner side of the pin hole are provided with sealing gaskets.

The utility model provides a pair of forming die is used in triode production, beneficial effect lies in:

1. the utility model discloses a place metal sheet and pin in lower bolster inside and pin hole, the reversal rotates to change and makes it drive the worm to rotate and drive the gear reversal and then drive the lead screw reversal, the lead screw drives the cope match-plate pattern decline, it rises to drive the installation piece simultaneously and makes the dead lever rise, when the cope match-plate pattern descends to laminating with the lower bolster, the top of dead lever passes the lower bolster and extends to its inside and makes the tail end jack-up of metal sheet conflict with the roof of the shaping groove of cope match-plate pattern and realize the fixing to the metal sheet this moment, avoid the metal sheet to rock and make the plastic envelope of the triode of shaping inhomogeneous in the injection molding process, guarantee the finished product quality, and to the simple easy operation of fixing process of metal sheet, realize accomplishing the fixing to the metal sheet in the process of closing the mould;

2. the utility model discloses after the completion of moulding plastics, the forward rotation is changeed the forward rotation of realizing the lead screw, when the lead screw forward rotation drive the cope match-plate pattern rise leave the lower bolster in can drive the installation piece descend thereby make its top descend and make its top leave the lower bolster inside cancellation to the fixed of metal sheet tail end, press down the ejector pin upwards and make it drive the push pedal and move thereupon and compress its deformation production effort to the spring, the top of ejector pin extends into the lower bolster inside simultaneously and jacks up it from the bottom of triode, make and be convenient for take out the triode, loosen the ejector pin after taking out and then the spring loses the restriction release effort and drive the push pedal and descend and make the ejector pin move thereupon and reset, make and be convenient for cancel the fixed to the metal sheet, realize accomplishing the cancellation of metal sheet fixed when opening the mould, be convenient for take out the fashioned triode;

the utility model discloses the realization can accomplish the fixed to the metal sheet at the in-process of closed mould, avoids the metal sheet to appear rocking the condition that influences triode finished product quality at the in-process of moulding plastics and appears, and can accomplish the cancellation fixed to the metal sheet at the in-process of opening the mould, is convenient for take out fashioned triode, is worth promoting and using.

Drawings

Fig. 1 is a schematic structural view of a forming mold for producing a triode according to the present invention;

fig. 2 is a schematic view of an external structure of a forming mold for producing a triode according to the present invention;

fig. 3 is a schematic left-side sectional view of a forming mold for producing a triode according to the present invention;

fig. 4 is a schematic structural view of the jacking device provided by the present invention.

In the figure: the device comprises a bottom plate 1, a baffle 2, a mounting groove 3, a screw rod 4, a gear 5, a worm 6, a rotating handle 7, a lower template 8, an upper template 9, an injection molding pipe 10, a pin hole 11, a mounting block 12, a connecting plate 13, a fixing rod 14, a limiting block 15, a jacking device 16, a fixing shell 161, an ejector rod 162, a push plate 163 and a spring 164.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, a forming die for producing triodes comprises a bottom plate 1, wherein baffles 2 are fixedly arranged on the left side and the right side of the top end of the bottom plate 1, mounting grooves 3 are vertically formed in the opposite sides of the two baffles 2, a screw rod 4 is vertically and movably arranged in the mounting grooves 3, a cavity is formed in the bottom plate 1, the bottom end of the screw rod 4 downwards penetrates through the bottom plate 1 to extend to the inner cavity to be movably connected to the bottom wall of the cavity, a gear 5 is fixedly sleeved on the lower part of the outer side of the screw rod 4, a worm 6 meshed with the gear 5 is transversely and movably arranged in the cavity, the left end of the worm 6 penetrates through the left side wall of the cavity to extend to the outer part of the bottom plate 1 and is fixedly connected with a rotating handle 7, a lower template 8 is jointly arranged on the top ends of the two baffles 2, an upper template 9 is sleeved on the common, the rear side upper portion fixed mounting of cope match-plate pattern 9 has the pipe 10 of moulding plastics that is linked together with the shaping groove, three pin hole 11 has been seted up jointly to the front side of cope match-plate pattern 9 and lower bolster 8, lower bolster 8 and relative one side of cope match-plate pattern 9 and the inboard of pin hole 11 all are equipped with sealed the pad, through sealed the seal when increasing between cope match-plate pattern 9 and the lower bolster 8 when combining the seal, prevent the injection molding material seepage, can increase the seal of pin and pin hole 11 combination department through sealed the pad on the same principle, avoid the bleed.

The outer thread of the screw rod 4 is sleeved with mounting blocks 12 matched with the mounting grooves 3, one opposite side of each of the two mounting blocks 12 is fixedly provided with a connecting plate 13, the rear side of the top end of each connecting plate 13 is vertically and fixedly provided with a fixing rod 14, the top end of each fixing rod 14 penetrates through the lower template 8 and extends into the corresponding lower template, the upper part and the lower part of the screw rod 4 are provided with threads in opposite directions, when the screw rod 4 rotates forwards, the upper template 9 is driven to ascend, and simultaneously, the mounting block 12 is driven to descend, so that the fixing rod 14 descends to enable the top end of the fixing rod to leave the inner part of the lower template 8 to cancel the fixation of the tail end of the metal plate, at the moment, the formed triode can be taken out, when the screw rod 4 rotates reversely, the upper template 9 is driven to descend to be combined with the lower template 8, meanwhile, the fixing rod 14 is made to ascend and be inserted into the lower template 8 to fix the tail end of the metal plate, and the situation that the quality of a finished product is poor due to the fact that the metal plate moves in the injection molding process is avoided.

The top end of the screw rod 4 is fixedly provided with a limiting block 15, and the upper template 9 can be prevented from being separated from the screw rod 4 through the limiting block 15.

The middle part of the bottom end of the lower template 8 is provided with a jacking device 16, the jacking device 16 comprises a fixed shell 161, the top end of the fixed shell 161 is fixedly connected with the middle part of the bottom end of the lower template 8, a push rod 162 is vertically inserted in the middle part of the fixed shell 161, a push plate 163 is fixedly sleeved outside the push rod 162, a spring 164 is sleeved outside the push rod 162, the spring 164 is positioned above the push plate 163, the top end of the push rod 162 upwards penetrates through the lower template 8 and extends to the inside of the lower template, when the molded triode needs to be taken out, the ejector pin 162 is pressed upwards to drive the push plate 163 to move along with the ejector pin, the spring 164 is compressed and deformed to generate acting force, meanwhile, the top end of the ejector rod 162 extends into the lower template 8 to jack the triode from the bottom end thereof, so that the triode can be taken out conveniently, after the triode is taken out, the push rod 162 is loosened, and the spring 164 loses the limiting and releasing acting force to drive the push plate 163 to descend, so that the push rod 162 moves and resets along with the push plate.

The working principle is as follows: during use, a metal plate and pins are placed inside the lower template 8 and in the pin holes 11, the reverse rotation rotating handle 7 drives the worm 6 to rotate reversely so as to drive the gear 5 to rotate reversely and further drive the screw rod 4 to rotate reversely, the screw rod 4 drives the upper template 9 to descend, and meanwhile, the mounting block 12 is driven to ascend so as to enable the fixing rod 14 to ascend, when the upper template 9 descends to be attached to the lower template 8, the top end of the fixing rod 14 penetrates through the lower template 8 to extend to the inside of the lower template to jack up the tail end of the metal plate so as to enable the tail end of the metal plate to be abutted to the top wall of the forming groove of the upper template 9, so that the metal plate is prevented from shaking to enable uneven plastic package of the formed triode in the injection molding process, the quality of finished products is guaranteed, injection molding is performed into the forming groove through the injection molding pipe 10 after the fixing is completed, the forward rotation rotating handle 7 realizes the forward rotation of the screw rod 4, when the screw rod 4 rotates forward, the upper template 9 is driven The top end of the ejector rod 162 leaves the lower template 8, the fixing of the tail end of the metal plate is cancelled, the ejector rod 162 is pressed upwards to drive the push plate 163 to move along with the push plate, the spring 164 is compressed to generate acting force, meanwhile, the top end of the ejector rod 162 extends into the lower template 8 and jacks up the ejector rod from the bottom end of the triode, the triode is convenient to take out, the ejector rod 162 is loosened after the ejector rod 162 is taken out, the spring 164 loses the limiting and releasing acting force at the moment to drive the push plate 163 to descend, and the ejector rod 162 moves.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a forming die is used in triode production, includes bottom plate (1), its characterized in that, the equal fixed mounting in the left and right sides on the top of bottom plate (1) has baffle (2), two the equal vertical mounting groove (3) of having seted up in relative one side of baffle (2), the vertical movable mounting in inside of mounting groove (3) has lead screw (4), the inside of bottom plate (1) is equipped with the cavity, the bottom of lead screw (4) passes bottom plate (1) downwards and extends to its inside cavity swing joint at the cavity diapire, the outside lower part fixed cover of lead screw (4) is equipped with gear (5), the horizontal movable mounting in inside of cavity has worm (6) that meshes with gear (5), the left end of worm (6) passes the outside fixedly connected with that cavity left side wall extends to bottom plate (1) and changes handle (7), two lower bolster (8) are installed jointly to the top of baffle (2), the top ends of the two screw rods (4) pass through the lower template (8) and extend to the upper part of the lower template and are sheathed with an upper template (9) through common threads, forming grooves are formed in the opposite sides of the upper template (9) and the lower template (8), an injection molding pipe (10) communicated with the molding groove is fixedly arranged at the upper part of the rear side of the upper template (9), the front sides of the upper template (9) and the lower template (8) are provided with three pin holes (11) together, the outer thread of the screw rod (4) is sleeved with mounting blocks (12) matched with the mounting grooves (3), one opposite side of each of the two mounting blocks (12) is fixedly provided with a connecting plate (13), a fixed rod (14) is vertically and fixedly arranged at the rear side of the top end of the connecting plate (13), the top end of the fixing rod (14) penetrates through the lower template (8) and extends into the lower template (8), and the middle part of the bottom end of the lower template (8) is provided with a jacking device (16).

2. The mold for producing transistor according to claim 1, wherein the screw (4) has threads in opposite directions at the upper and lower portions thereof.

3. The forming die for producing the triode of claim 1, wherein a limiting block (15) is fixedly arranged at the top end of the screw rod (4).

4. The forming die for producing the triode of claim 1, wherein the jacking device (16) comprises a fixed shell (161), the top end of the fixed shell (161) is fixedly connected to the middle of the bottom end of the lower template (8), an ejector rod (162) vertically penetrates through the middle of the fixed shell (161), a push plate (163) is fixedly sleeved outside the ejector rod (162), a spring (164) is sleeved outside the ejector rod (162), the spring (164) is located above the push plate (163), and the top end of the ejector rod (162) upwards penetrates through the lower template (8) and extends to the inside of the lower template.

5. The forming die for producing the triode of claim 1, wherein sealing gaskets are arranged on one side of the lower template (8) opposite to the upper template (9) and on the inner side of the pin hole (11).