CN212072596U - Mould for producing power tube pin insulation dustproof pad - Google Patents

Abstract

The utility model relates to a mould of insulating dustproof pad of production power tube pin, including the cope match-plate pattern that can dismantle the connection in proper order, well template and lower bolster, be equipped with the first die cavity that a plurality of is used for forming the first fixed part of insulating dustproof pad on the terminal surface of cope match-plate pattern orientation lower bolster, the standing groove that is used for template in the installation is offered to the lower bolster, well template includes first template and can dismantle the second template of being connected with first template, adjacent first template and second template junction have formed the second die cavity that fills up second fixed part adaptation with insulating dustproof, first die cavity and second die cavity one-to-one, first die cavity and second die cavity cooperation have formed the cavity with insulating dustproof pad adaptation. The utility model discloses insulating dustproof pad of power tube pin convenient to shaping takes out from the mould, has convenient operation characteristics, has improved the production efficiency of insulating dustproof pad.

Description

Mould for producing power tube pin insulation dustproof pad

Technical Field

The utility model belongs to the technical field of the insulating dustproof of power tube pin and specifically relates to a mould that fills up of insulating dustproof of production power tube pin is related to.

Background

The power tube is a semiconductor device for controlling current, and has the function of amplifying a weak signal into an electric signal with a large amplitude value. Before the power tube is applied, an insulating dustproof pad is generally required to be arranged on a pin of the power tube, so that the surface of the pin of the power tube is prevented from being polluted, and therefore, the insulating dustproof pad for adapting to the pin of the power tube is required to be produced.

As shown in fig. 1, an insulating dustproof pad for a power tube pin includes four mounting holes, the four mounting holes matched with the power tube pin are vertically through, two mounting holes close to the middle of the insulating dustproof pad end of the power tube pin have the same structure and are first mounting holes 13, wherein a side surface of each first mounting hole 13 is provided with a notch 131 close to the upper part of the insulating dustproof pad, the notch 131 is through with the first mounting hole 13, two mounting holes close to the end part of the insulating dustproof pad for the power tube pin have the same structure and are second mounting holes 14, the end parts of the second mounting holes 14 away from each other are provided with openings 141, the openings 141 are close to the upper part of the insulating dustproof pad, the insulating dustproof pad for the power tube pin is divided into a first fixing part 11 and a second fixing part 12 connected with the first fixing part 11, and the first fixing part 11 is set as one end of the mounting hole provided with the notch 131.

At the mould of present production power tube pin insulation dustproof pad, including cope match-plate pattern, well template and lower bolster, after power tube pin insulation dustproof pad shaping on the mould, the cope match-plate pattern that needs to pull down earlier will peel off the fashioned power tube pin insulation dustproof pad on well template, owing to be equipped with a plurality of cavitys that are used for forming the power tube pin insulation dustproof pad on the well template, the insulating dustproof pad of power tube pin takes out through directly peeling off, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a mould of insulating dustproof pad of production power tube pin, the fashioned insulating dustproof pad of power tube pin of being convenient for takes out from the mould, has convenient operation, the characteristics that the product production qualification rate is high.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a mould of insulating dustproof pad of production power tube pin, including the cope match-plate pattern that can dismantle the connection in proper order, well template and lower bolster, be equipped with the first die cavity that a plurality of is used for forming the first fixed part of insulating dustproof pad on the terminal surface of cope match-plate pattern orientation lower bolster, the standing groove that is used for template in the installation is offered to the lower bolster, well template includes first template and can dismantle the second template of being connected with first template, adjacent first template and second template junction have formed the second die cavity with insulating dustproof pad second fixed part adaptation, first die cavity and second die cavity one-to-one, first die cavity and second die cavity cooperation have formed the cavity with insulating dustproof pad adaptation.

Through adopting above-mentioned technical scheme, in the first die cavity of insulating dustproof pad mould and second die cavity complex cavity, the insulating dustproof pad of fashioned power tube pin has been formed, remove the cope match-plate pattern, then take off well template from the standing groove, the insulating dustproof pad of power tube pin is located between first template and the second template this moment, with first template and second template separation, a side of the insulating dustproof pad of power tube pin exposes, can break away from the insulating dustproof pad of power tube pin from well template, be convenient for the insulating dustproof pad to break away from fast on well template through the separation of first template and second template, the drawing of patterns efficiency of product has been improved.

The present invention may be further configured in a preferred embodiment as: along the length direction of well template, the standing groove both ends link up the setting, are equipped with spacing arch at the tank bottom that is close to the standing groove tip, well template is equipped with the spacing recess with spacing protruding looks adaptation in the junction with spacing arch.

Through adopting above-mentioned technical scheme, during the template, through spacing arch and spacing recess cooperation in the lower bolster standing groove assembly, the location of template in the standing groove in the realization, when using the mould, avoid the slip of template in the lower bolster standing groove, improve the accuracy of product.

The present invention may be further configured in a preferred embodiment as: the connecting part of the limiting bulge and the placing groove is provided with a rounding off angle.

By adopting the technical scheme, the fillet is formed at the joint of the limiting protrusion and the inner side surface of the placing groove, so that the connection between the limiting protrusion and the limiting groove is facilitated, the processing of a die is also facilitated, and the production cost is reduced.

The present invention may be further configured in a preferred embodiment as: the both ends that first template and second template stretched out the standing groove all are equipped with the perforation, and the perforation setting is connected on the side at first template and second template.

By adopting the technical scheme, the through holes in the first template and the second template can be used for realizing the integral taking and placing of the whole middle template through one coaxial shaft, and the first template and the second template in the middle template are connected, so that the first template and the second template are assembled in the placing groove and are attached to each other more tightly; when the die is used, the first die plate and the second die plate are prevented from being extruded or collided when being assembled, and the service life of the die is prolonged.

The present invention may be further configured in a preferred embodiment as: and the opening edges of the through holes are all arranged in a rounding way.

Through adopting above-mentioned technical scheme, when using this mould, the fillet setting is made at fenestrate opening edge department and is convenient for easily pass the perforation with the tip through a coaxial, realizes the connection of first template and second template fast.

The present invention may be further configured in a preferred embodiment as: the locating groove is arranged on the end face, facing the second template, of the first template and comprises a first type groove used for forming a second cavity and a second type groove connected with the first type groove and communicated with the first type groove, the second type groove is located at the edge of the first template, the groove bottom of the second type groove is downwards inclined towards the direction far away from the first type groove, the second template is provided with a locating protrusion matched with the second type groove, and the locating protrusion is connected with the locating groove to form the second cavity.

By adopting the technical scheme, the connection of the positioning groove and the positioning bulge not only forms a second cavity of the insulating dustproof pad, but also increases the contact area between the first template and the second template, so that the connection between the first template and the second template is tighter; after the die is opened, the upper die plate is moved away, and the insulating dustproof pad is directly taken out through the separation of the first die plate and the second die plate, so that the production efficiency is improved; meanwhile, the inclined arrangement of the groove bottom of the first type groove is convenient for realizing the connection of the positioning bulge and the positioning groove.

The present invention may be further configured in a preferred embodiment as: two relative medial surfaces of standing groove are the spigot surface, and the spigot surface includes from last first spigot surface and the second spigot surface of being connected with first spigot surface that sets up down, and the vertical setting of first spigot surface, second spigot surface orientation are close to spacing bellied direction downward sloping setting.

Through adopting above-mentioned technical scheme, when placing the template in the standing groove, well template and the spigot surface laminating of standing groove, the upper portion side of well template and standing groove laminating is vertical face, and the lower part is the inclined plane, vertical face and first spigot surface looks adaptation, inclined plane department and second spigot surface adaptation. The inclined plane of the middle template gradually moves towards the second guide surface through the first guide surface, and the middle template and the lower template are assembled. In the process, the middle template is attached to the first guide surface and continuously moves towards the second guide surface, so that the first template and the second template in the middle template are gradually attached to each other, the middle template is favorably connected with the lower template, and meanwhile, the inclined plane at the edge of the middle template plays a role in guiding the connection of the middle template and the lower template; the vertical surface at the outermost side of the middle template is attached to the first guide surface to form a tight fit between the middle template and the lower template.

The present invention may be further configured in a preferred embodiment as: along in the length direction of well template, first template is equipped with the rib between adjacent constant head tank, and the rib includes first boss and the second boss of being connected with first boss, and first boss is close to the edge setting of first template, and the inclined plane setting is made at two apex angle departments of first boss, and the width of first boss is crescent along the direction of being close to the second boss.

By adopting the technical scheme, the arrangement of the reinforcing part can not only enhance the structural strength of the first template, but also facilitate the quick connection of the first template and the second template at the reinforcing block position due to the inclined plane arrangement at the top corner; first boss plays the guide effect to the connection of first template and second template, and the second boss helps realizing the tight fit setting of first template and second template in the reinforcement connection.

The present invention may be further configured in a preferred embodiment as: and the end face of the end part of the second template, which faces the connection of the first template, is provided with a slot for separating the first template from the second template.

Through adopting above-mentioned technical scheme, when taking out well template in the standing groove, can separate first template, second template fast through the slot to realize the quick drawing of patterns of the dustproof pad of power tube pin insulation, improve production efficiency.

The present invention may be further configured in a preferred embodiment as: and a groove for separating the middle template from the lower template is formed at the position, close to the limiting bulge, of the groove bottom of the placing groove.

By adopting the technical scheme, when the split type formwork assembling device is used, the middle formwork and the lower formwork can be separated through the slotting, and the assembling of the upper formwork, the middle formwork and the lower formwork can be conveniently and quickly realized.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the separation of first template and second template, the terminal surface of the dustproof pad of power tube pin insulation exposes, can take off the dustproof pad of power tube pin insulation from well template, and the separation through first template and second template is convenient for the dustproof pad of insulation break away from fast on well template, has improved the drawing of patterns efficiency of the dustproof pad of insulation.

2. The reinforcing part can enhance the structural strength of the first template, and the inclined plane at the vertex angle is arranged to facilitate the quick connection of the first template and the second template at the reinforcing block; first boss plays the guide effect to the connection of first template and second template, and the second boss helps realizing the tight fit setting of first template and second template in the reinforcement connection.

3. The middle template is attached to the first guide surface and continuously moves towards the second guide surface, so that the first template and the second template in the middle template are gradually attached to each other, the middle template and the lower template are attached more tightly, and the middle template and the lower template are favorably connected; meanwhile, the inclined plane at the edge of the middle template plays a role in guiding the connection of the middle template and the lower template.

Drawings

Fig. 1 is a schematic diagram of a power tube pin insulating dustproof pad structure.

Fig. 2 is a schematic overall structure diagram of a power tube pin insulating dustproof pad mold.

Fig. 3 is a schematic structural diagram of die opening of a power tube pin insulating dustproof pad die.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic structural diagram of a template in the insulating dust-proof pad mold.

Fig. 6 is a schematic view of the matching structure of the first template and the second template.

Fig. 7 is a partially enlarged schematic view of a portion B in fig. 6.

Fig. 8 is a schematic structural view of an upper mold plate in the insulating dust-proof pad mold.

In the figure, 11, a first fixing portion; 12. a second fixed part; 13. a first mounting hole; 131. a notch; 14. a second mounting hole; 141. an opening; 2. mounting a template; 21. a first cavity; 22. a limiting hole; 3. a middle template; 31. a first template; 311. positioning a groove; 3111. a first groove; 3112. a second groove; 3113. a guide surface; 3114. a tight-fitting surface; 3115. a fixed block; 312. a reinforcing portion; 3121. a first reinforcing block; 3122. a second reinforcing block; 32. a second template; 321. positioning the projection; 322. a yielding groove; 33. a limiting groove; 34. a second cavity; 35. perforating; 36. a slot; 4. a lower template; 41. a placement groove; 411. a first guide surface; 412. a second guide surface; 42. a limiting bulge; 43. grooving; 44. and (7) positioning the holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 8.

Refer to fig. 2, do the utility model discloses a production power tube pin is insulating to prevent dust fills up's mould, the fashioned insulating dustproof pad of power tube pin of being convenient for takes out from the mould, has convenient operation's characteristics, has improved insulating dustproof pad production efficiency. Referring to fig. 2, the mould of the dustproof pad of power tube pin insulation includes cope match-plate pattern 2, well template 3 and the lower bolster 4 of can dismantling the connection, and the cooperation between cope match-plate pattern 2, well template 3 and the lower bolster 4 is connected and has been formed the cavity that is used for producing the dustproof pad of power tube pin insulation, can realize the quick drawing of patterns of dustproof pad of insulation through the cooperation between cope match-plate pattern 2, well template 3 and the lower bolster 4.

Referring to fig. 3 and 4, a placing groove 41 for assembling the middle template 3 is formed in the end surface of the lower template 4 facing the upper template 2, two ends of the placing groove 41 penetrate along the length direction of the lower template 4, end parts of the placing groove 41 near the two ends penetrate, a limiting protrusion 42 for limiting the position of the middle template 3 is arranged at the groove bottom of the placing groove 41, and a limiting groove 33 matched with the limiting protrusion 42 is formed in the end surface of the middle template 3 facing the lower template 4. In this embodiment, two limiting protrusions 42 are provided, the length direction of the limiting protrusions 42 is arranged along the length direction perpendicular to the lower template 4, in order to quickly realize the positioning of the middle template 3 in the placing groove 41, the side surfaces of the limiting protrusions 42 are arranged in an arc structure, the connecting positions of the two inner side surfaces of the limiting protrusions 42 and the placing groove 41 are arranged in a rounded angle manner, the contact area between the limiting protrusions 42 and the limiting grooves 33 is increased, and the middle template 3 and the lower template 4 are connected more tightly; meanwhile, the fillet at the joint of the limiting protrusion 42 and the placing groove 41 is convenient for production and processing of the power tube pin insulating dustproof pad die.

Referring to fig. 3 and 4, in order to facilitate rapid separation of the upper template 2, the middle template 3 and the lower template 4, a slot 43 for separation of the middle template 3 and the lower template 4 is formed at a position close to the limiting protrusion 42 at the bottom of the placing groove 41, the slot 43 is perpendicular to the length direction of the middle template 3, and the placing groove 41 and the slot 43 form a stepped structure. The positioning holes 44 are arranged at four corners close to the lower template 4, in the embodiment, four positioning holes 44 are arranged, the opening edges of the positioning holes 44 are all arranged in a chamfer mode, and during installation, the chamfer angle of the positioning holes 44 plays a role in guiding, so that the positioning columns can conveniently pass through the positioning holes 44.

Referring to fig. 3 and 4, in order to better realize the assembly of the middle template 3 and the lower template 4, two opposite inner side surfaces of the placing groove 41 are provided with guide surfaces which are beneficial to the matching of the middle template 3 and the placing groove 41. The guide surface includes a first guide surface 411 disposed from top to bottom and a second guide surface 412 connected to the first guide surface 411. In this embodiment, first spigot surface 411 sets up vertically, and second spigot surface 412 is towards the orientation downward sloping that is close to spacing arch 42, and the side and the spigot surface phase-match of well template 3 the outside set up, and the side that well template 3 the outside and standing groove 41 laminated sets up the inclined plane with second spigot surface 412 phase-match near the lower extreme of well template 3, and the side upper end that well template 3 and standing groove 41 laminated is vertical face to with first spigot surface 411 looks adaptation. The inclined plane at the outermost side of the middle template 3 gradually moves towards the second guide surface 412 through the first guide surface 411 of the placing groove 41, so that the middle template 3 is assembled with the lower template 4. In the process, the middle template 3 is attached to the first guide surface 411 and continuously moves towards the second guide surface 412, so that the middle template 3 is connected with the lower template 4. Meanwhile, the inclined plane at the edge of the middle template 3 plays a role in guiding the connection of the middle template 3 and the lower template 4; the vertical surface of the outermost side of the middle template 3 is attached to the first guide surface 411 to form a tight fit between the middle template 3 and the lower template 4.

Referring to fig. 5, in order to facilitate the separation of the formed insulating dust pad from the middle mold plate 3, the middle mold plate 3 includes a first mold plate 31 and a second mold plate 32 detachably connected to the first mold plate 31, and a second cavity 34 fitted to the second fixing portion 12 of the insulating dust pad is formed at the connection of the first mold plate 31 and the second mold plate 32. In practical application, a plurality of first templates 31 and second templates 32 matched with the first templates 31 can be arranged according to production requirements. In the present embodiment, five first templates 31 and four second templates 32 are exemplified, and eight rows of second cavities 34 are formed between the first templates 31 and the second templates 32.

Referring to fig. 5, in order to achieve the overall placement and placement of the middle mold plate 3 in the placement groove 41, through holes 35 are provided at the ends of the first mold plate 31 and the second mold plate 32 extending out of the placement groove 41, and the through holes 35 are provided at the end surfaces where the first mold plate 31 and the second mold plate 32 are connected. In use, the first template 31 and the second template 32 in the middle template 3 can be connected through the coaxial rod, and simultaneously, when the first template 31 and the second template 32 are separated in a sliding manner, the first template 31 and the second template 32 move along the length direction of the coaxial rod penetrating through the through hole 35, so that the dislocation or extrusion between the adjacent first template 31 and the second template 32 during assembly is avoided. In order to facilitate the passage of the coaxial rod through the through holes 35 at the same end, the coaxial rod is rounded at the opening edge of the through holes 35, and the coaxial rod is guided to pass through the through holes 35 more quickly, so that the connection between the first template 31 and the second template 32 is realized.

Referring to fig. 5, in demolding, in order to realize rapid separation between the first mold plate 31 and the second mold plate 32, a slot 36 for separating the first mold plate 31 from the second mold plate 32 is arranged on an end surface of an end portion of the second mold plate 32, which faces a connection end of the first mold plate 31, and when the first mold plate 31 and the second mold plate 32 are tightly fitted, the slot 36 is formed at the end portion of the first mold plate 31 and the second mold plate 32, and the first mold plate 31 and the second mold plate 32 can be rapidly separated through the slot 36, so that rapid demolding of the power tube pin insulating dustproof pad is realized, and production efficiency is improved.

Referring to fig. 6 and 7, a positioning groove 311 is formed in an end surface of the first mold plate 31 facing the second mold plate 32, the positioning groove 311 includes a first type groove 3111 for forming the second cavity 34 and a second type groove 3112 communicated with the first type groove 3111, the second type groove 3112 is disposed near an edge of the first mold plate 31, edges of a bottom of the second type groove 3112 are rounded, a depth of the first type groove 3111 is greater than a depth of the second type groove 3112, four fixing blocks 3115 are vertically disposed in the first type groove 3111, and the fixing blocks 3115 are used for forming a mounting hole at the second fixing portion 12 of the insulating dustproof pad; the end surface of the second mold plate 32 facing the first mold plate 31 is provided with a positioning protrusion 321 adapted to the second mold groove 3112, and when the positioning protrusion 321 is adapted to the second mold groove 3112, a second mold cavity 34 for molding the insulating dustproof pad is formed at the first mold groove 3111. In this embodiment, with reference to fig. 5, the first mold plate 31 located at the edge of the middle mold plate 3 is only provided with one row of positioning slots 311, and the two side surfaces of the first mold plate 31 located at the edge of the middle mold plate 3 are both provided with positioning slots 311, which is convenient for producing more insulating dustproof gaskets.

Referring to fig. 6 and 7, when the positioning protrusions 321 are fitted into the positioning grooves 311, in order to make the fitting connection between the first template 31 and the second template 32 more tight. Second type groove 3112's tank bottom includes that the orientation keeps away from the direction slope of first type groove 3111 and the tight-fitting surface 3114 that sets up with guide surface 3113 connection level downwards, tight-fitting surface 3114 is close to first type groove 3111 and sets up, tight-fitting surface 3114 establishes to the arc surface with guide surface 3113's junction, protruding 321 of location is when being connected with second type groove 3112 cooperation, protruding 321 of location is provided with second type groove 3112 tank bottom assorted bottom surface, protruding 321 of location is towards first type groove 3111 cooperation when connecting, guide surface 3113's setting has played the guide effect to the cooperation of protruding 321 of location and second type groove 3112, tight-fitting surface 3114 sets up and makes protruding 321 of location and second type groove 3112 complex inseparabler.

Referring to fig. 6 and 7, the first mold plate 31 is provided with a reinforcing part 312 between adjacent positioning grooves 311 along the length direction of the middle mold plate 3, and the reinforcing part 312 can enhance the structural strength of the first mold plate 31 and prolong the service life of the mold of the first mold plate 31. Wherein, the reinforcement portion 312 includes a first reinforcement block 3121 inclined at both corners facing the end surface of the second form 32 and a second reinforcement block 3122 connected to the first reinforcement block 3121, and the width of the first reinforcement block 3121 is gradually increased along the width near the second reinforcement block 3122 until the width is the same as the width of the second reinforcement block 3122. The second template 32 is provided with the abdicating groove 322 matched with the reinforcing part 312, the reinforcing part 312 on the first template 31 corresponds to the abdicating groove 322 on the second template 32 one by one, and the arrangement of the first reinforcing block 3121 enables the abdicating groove 322 to be connected with the reinforcing part 312 to play a guiding role. In this embodiment, the second reinforcement block 3122 is a rectangular parallelepiped, and the receding groove 322 and the reinforcement portion 312 are connected to a position close to the middle of the second reinforcement block 3122, so as to achieve a fastening fit connection between the reinforcement portion 312 and the receding groove 322.

Referring to fig. 8, the end surface of the upper die plate 2 facing the lower die plate 4 is provided with first cavities 21 corresponding to the first fixing portions 11 of the insulating dustproof pad, the first cavities 21 are in one-to-one correspondence with the second cavities 34, eight rows of the first cavities 21 are provided in the embodiment, and the first cavities 21 and the second cavities 34 are matched to form cavities matched with the insulating dustproof pad. The upper template 2 is provided with a limiting hole 22 corresponding to the position of the positioning hole 44 of the lower template 4, and the opening edge of the limiting hole 22 is also provided with a fillet and is positioned at four corners of the upper template 2, so that the upper template 2 and the lower template 4 are positioned.

The implementation principle of the embodiment is as follows: when the power tube pin insulating dustproof pad mold in the application embodiment is used, the upper mold plate 2 is removed, the formed insulating dustproof pad is positioned on the middle mold plate 3, the middle mold plate 3 is integrally taken out of the placing groove 41, the adjacent first mold plate 31 and the second mold plate 32 are separated through the slots 36 along the length direction of the coaxial rod of the through hole 35 at the same end part of the middle mold plate 3, and the formed insulating dustproof pad can be quickly taken out; when the die is closed, the two opposite side surfaces of the placing groove 41 are both set as guide surfaces, and the bottom of the placing groove 41 is also provided with a limiting bulge 42 for limiting the position of the middle template 3, so that the positions of the middle template in the placing groove 41 are the same every time, and the qualification rate of the insulating dustproof pad is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a mould of insulating dustproof pad of production power tube pin, includes cope match-plate pattern (2), well template (3) and lower bolster (4) that can dismantle the connection in proper order, its characterized in that: the end face of the upper template (2) facing the lower template (4) is provided with a plurality of first cavities (21) used for forming first insulating dustproof pad fixing parts (11), the lower template (4) is provided with a placing groove (41) used for installing the middle template (3), the middle template (3) comprises a first template (31) and a second template (32) detachably connected with the first template (31), the joint of the adjacent first template (31) and the second template (32) forms a second cavity (34) matched with the second insulating dustproof pad fixing parts (12), the first cavities (21) correspond to the second cavities (34) one by one, and the first cavities (21) and the second cavities (34) are matched to form cavities matched with the insulating dustproof pads.

2. The mold for producing the power tube pin insulating and dustproof pad according to claim 1, wherein: along the length direction of well template (3), standing groove (41) both ends link up the setting, are equipped with spacing arch (42) at the tank bottom that is close to standing groove (41) tip, well template (3) are equipped with spacing recess (33) with spacing arch (42) looks adaptation in the junction with spacing arch (42).

3. The mold for producing the power tube pin insulating and dustproof pad according to claim 2, wherein: the connecting part of the limiting bulge (42) and the placing groove (41) is rounded.

4. The mold for producing the power tube pin insulating and dustproof pad according to claim 1, wherein: both ends of the first template (31) and the second template (32) extending out of the placing groove (41) are provided with through holes (35), and the through holes (35) are formed in the connecting side face of the first template (31) and the second template (32).

5. The mold for producing the power tube pin insulating and dustproof pad according to claim 4, wherein: the edges of the openings (141) of the through holes (35) are all arranged in a rounding manner.

6. The mold for producing the power tube pin insulating and dustproof pad according to claim 1, wherein: be equipped with constant head tank (311) on the terminal surface of first template (31) orientation second template (32), constant head tank (311) are including first type groove (3111) that is used for forming second die cavity (34) and second type groove (3112) that are connected and link up with first type groove (3111), second type groove (3112) are located the edge of first template (31), the tank bottom orientation of second type groove (3112) is kept away from the direction slope of first type groove (3111) and is set up downwards, second template (32) are equipped with protruding (321) of location with second type groove (3112) looks adaptation, protruding (321) of location have been connected with constant head tank (311) and have been formed second die cavity (34).

7. The mold for producing the power tube pin insulating and dustproof pad according to claim 6, wherein: two relative medial surfaces of standing groove (41) are the spigot surface, and the spigot surface includes from last first spigot surface (411) that sets up down and second spigot surface (412) of being connected with first spigot surface (411), and first spigot surface (411) vertical setting, second spigot surface (412) orientation are close to the direction downward sloping setting of spacing arch (42).

8. The mold for producing the power tube pin insulating and dustproof pad according to claim 6, wherein: along the length direction of well template (3), first template (31) is equipped with reinforcing portion (312) between adjacent constant head tank (311), and reinforcing portion (312) include first boss (3121) and second boss (3122) of being connected with first boss (3121), and first boss (3121) is close to the edge setting of first template (31), and the two apex angle departments of first boss (3121) make the inclined plane setting, and the width of first boss (3121) increases along being close to the direction of second boss (3122) gradually.

9. The mold for producing the power tube pin insulating and dustproof pad according to claim 1, wherein: and the end surface of the end part of the second template (32) facing the first template (31) is provided with a slot (36) for separating the first template (31) and the second template (32).

10. The mold for producing the power tube pin insulating and dustproof pad according to claim 2, wherein: and a groove (43) for separating the middle template (3) and the lower template (4) is formed at the position, close to the limiting protrusion (42), of the groove bottom of the placing groove (41).

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