CN115401873A

CN115401873A - Burr-free injection mold for solar photovoltaic connector and rapid demolding method thereof

Info

Publication number: CN115401873A
Application number: CN202211341904.1A
Authority: CN
Inventors: 李前进; 张真玮
Original assignee: Yangzhong Shangyao Photovoltaic Co ltd
Current assignee: Yangzhong Shangyao Photovoltaic Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2022-11-29
Anticipated expiration: 2042-10-31
Also published as: CN115401873B

Abstract

The invention relates to the field of injection molds, in particular to a burr-free injection mold of a solar photovoltaic connector and a rapid demolding method thereof.

Description

Burr-free injection mold for solar photovoltaic connector and rapid demolding method thereof

Technical Field

Background

When injection mold is used for injection molding production of the solar photovoltaic connector, four locking screw rods need to be screwed in the mold locking process of the injection mold, and people can separately screw the four locking screw rods in the screwing process, the screwing operation is difficult to ensure that the locking force on the left side and the right side is the same, namely, the phenomenon of unbalanced mold locking occurs, so that one side of the left side and the right side of the parting surface is locked while the other side of the left side and the right side of the parting surface is not tightly attached, and when an injection machine is used for pressurizing and injecting materials into the mold, the materials can overflow into the non-tightly attached sides, and burrs are formed at the parting surface after molding.

Disclosure of Invention

The invention aims to solve the defects in the background art, and provides a burr-free injection mold of a solar photovoltaic connector and a rapid demolding method thereof.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a solar photovoltaic connector does not have burr injection mold, includes the lower mould of moulding plastics and locks the mould of moulding plastics on the lower mould of moulding plastics through four locking screw, the die holder is installed to the lower extreme of the lower mould of moulding plastics, the inboard of die holder is provided with the thimble spare, the thimble spare runs through in the lower terminal surface of the lower mould of moulding plastics, the through-hole has been seted up at the lower terminal surface middle part of die holder, the top of the mould of moulding plastics is provided with spinning spare, spinning spare cooperatees with locking screw, the firmware that turns over is installed to the both sides of die holder, spinning spare with turn over the firmware and be connected.

Preferably, thimble spare inlays the multiunit guide post between the inside bottom surface of the lower terminal surface of the lower mould of moulding plastics and die holder, multiunit including being square arranging the surface laminating of guide post installs the thimble seat, the upper end middle part of thimble seat extends there is the thimble seat, the thimble seat laminating runs through in the lower terminal surface of the lower mould of moulding plastics, the tip of thimble seat and the die cavity coplane of the lower mould of moulding plastics, the outside winding of guide post has pressure spring, pressure spring is located the upper end of thimble seat and moulds plastics between the lower extreme of lower mould.

Preferably, spinning spare sets up two sets of supports in the both sides of die holder including the symmetry, and is two sets of bear the frame is installed to the upper end of support, it has the thread bush to bear the up end middle part of frame to run through to inlay, the threaded rod is screwed to the inside of thread bush, the pitch of threaded rod is greater than locking screw's pitch, the lower extreme coaxial elasticity of threaded rod is installed and is pressed the seat, the surface symmetry of pressing the seat extends has two sets of protruding edges, the surface of pressing the seat all laminates with the surface of protruding edges and installs fixed cover, the outside coaxial arrangement of fixed cover has the connection ring gear, it is located the mould of moulding plastics directly over to connect the ring gear.

Preferably, the inside surface annular array of connecting the ring gear extends and has the multiunit link, the tip of link and the surface lower limb fixed connection of fixed cover, the lower terminal surface annular array of threaded rod extends and has the multiunit guide arm, the guide arm laminating runs through in the up end of pressing the seat, the cross sectional shape of guide arm is the T font, it has buffer spring to inlay between the lower extreme of threaded rod and the upper end of pressing the seat, the surface middle part of fixed cover is rotated and is inlayed and have the go-between, the bilateral symmetry of go-between is inlayed and is had two sets of mounts, the front end upper portion of fixed cover extends and has led the shell, the inside laminating of leading the shell runs through elastic mounting and has the prism, the prism laminating runs through in the preceding terminal surface of fixed cover and the preceding terminal surface of pressing the seat.

Preferably, press the preceding terminal surface linear array of seat to have seted up two sets of fixed square holes, prismatic laminating is in the fixed square hole of lower part, prismatic surface mosaic has the push pedal, the push pedal laminating is in the inside surface of leading the shell, prismatic outside winding has the tight spring in top, the tight spring in top is located between the front end of push pedal and the inside front end of leading the shell, the surface toothing who connects the ring gear has four group connecting gear, four groups connecting gear's lower extreme is coaxial respectively to run through to inlay has four group's spliced poles, four groups the lower extreme middle part of spliced pole extends respectively has four group's hexagonal post, four groups the hexagonal post cooperatees with four locking screw respectively.

Preferably, four groups the surface of spliced pole is rotated respectively and is inlayed and have four groups of adapter sleeves, four groups it has the arc to link solid frame to inlay between the adapter sleeve, the tip and the arc of mount link solid upper end fixed connection of frame, the side of mount extends there is the guide frame, the guiding groove has been seted up to the side of support, the guide frame pastes in the inside of guiding groove, the tip of guide frame is inlayed and is had the limiting plate, the limiting plate is laminated in the side of support.

Preferably, turn over the firmware and include two sets of fixing bases of symmetry fixed mounting in the both sides of die holder, the side upper portion of fixing base extends there is the screw thread post, the coaxial inlaying of surface of screw thread post has the apical ring, the support is laminated in the surface of screw thread post, the tip of screw thread post is screwed there is lock nut, lock nut compresses tightly in the both sides of support respectively with the apical ring, the side lower part of fixing base extends has and stretches out the seat, the lower extreme fixed mounting who stretches out the seat has the support frame, the inside laminating of support frame is installed spacing seat, spacing seat is laminated in proper order and is run through in the lower terminal surface of the up end of stretching out seat, the lower terminal surface of support, it has reset spring to inlay between the inside lower extreme of support frame and the lower extreme of spacing seat, the shape of spacing seat is the T font, the side of spacing seat extends there is the plectrum, the side of support frame has been seted up and has been dialled the groove, the plectrum laminating in the inside of dialling the groove.

The quick demolding method of the burr-free injection mold of the solar photovoltaic connector comprises the following steps of: s1: the output end of the air cylinder penetrates through the through hole and is propped against the lower end of the thimble seat;

s2: the ejector pin base is jacked by utilizing the work of the air cylinder, so that the ejector pin column on the ejector pin base is driven to move upwards to eject a workpiece in the injection molding lower die, and the demolding is completed.

Compared with the prior art, the invention has the following beneficial effects:

1. through the spinning piece that sets up, can directly rotate the threaded rod, and then drive and connect the ring gear and rotate, order to utilize and connect the ring gear and order about simultaneously and connect the gear and rotate, and then drive four group's hexagonal posts simultaneously and rotate, rotate simultaneously and screw four locking screw, in order to avoid the phenomenon that the mode locking is not tight because of separately screwing four locking screw and cause, avoid the profile department to appear the burr with this, and under buffer spring's effect, can offset the error that the rotation in-process threaded rod moved down speed and locking screw moved down between the speed, in order to ensure that the hexagonal post can normally rotate locking screw along with locking screw's the speed that moves down.

2. After the mold is locked, the prism can be directly pulled to drive the prism supported by the jacking spring and fixed in the fixed square hole at the lower part to be separated, then the fixing sleeve is directly pushed to drive the connecting toothed ring to move upwards so as to drive the four groups of hexagonal columns to synchronously move upwards to be separated from the locking screw, and then the prism is loosened to drive the prism to enter the fixed square hole at the upper part under the supporting jack of the jacking spring so as to fix the upwards moving connecting toothed ring, so that the hexagonal columns cannot loosen the locked locking screw when the connecting toothed ring moves upwards by reversely rotating the threaded rod after the mold is locked.

3. Through the firmware that turns over that sets up, can directly rotate lock nut to loosen the support of locking between lock nut and apical ring, stir the plectrum downwards after that, break away from the lower extreme of support with the plectrum of ordering about, reset spring shrink this moment stirs the support afterwards and turns, turns to side in order to connect the ring gear from the top of moulding plastics the mould, lets mould plastics and can be bared the exposure, can not receive and block, with this guarantee going on smoothly of follow-up operation of moulding plastics.

Drawings

Fig. 1 is a schematic structural view of a burr-free injection mold of a solar photovoltaic connector according to the present invention;

FIG. 2 is a schematic view of a guiding frame of a burr-free injection mold of a solar photovoltaic connector according to the present invention;

FIG. 3 is a schematic view of a guiding shell of a burr-free injection mold of a solar photovoltaic connector according to the present invention;

FIG. 4 is a sectional view of a guide shell of the burr-free injection mold for the solar photovoltaic connector according to the present invention;

fig. 5 is a schematic diagram of a hexagonal column of a burr-free injection mold for a solar photovoltaic connector according to the present invention;

FIG. 6 is a partial view of a burr-free injection mold of a solar photovoltaic connector according to the present invention;

FIG. 7 is a schematic view of a threaded post of a burr-free injection mold for a solar photovoltaic connector according to the present invention;

fig. 8 is a schematic view of a mold seat of a burr-free injection mold of a solar photovoltaic connector according to the present invention;

fig. 9 is a bottom view of the mold seat of the burr-free injection mold for the solar photovoltaic connector according to the present invention.

In the figure: 1. injection molding an upper die; 2. injection molding a lower die; 3. a die holder; 4. a thimble member; 41. a thimble seat; 42. a guide post; 43. a compression spring; 44. a thimble post; 5. spinning and pressing the piece; 51. a support; 52. a carrier; 53. a threaded sleeve; 54. a threaded rod; 55. a guide shell; 56. a guide frame; 57. a hexagonal column; 58. connecting columns; 59. connecting sleeves; 510. a connecting gear; 511. a connecting toothed ring; 512. an arc-shaped connecting and fixing frame; 513. a guide groove; 514. a fixed mount; 515. a limiting plate; 516. a connecting ring; 517. fixing a sleeve; 518. convex edge strips; 519. fixing the square hole; 520. a connecting frame; 521. a prism; 522. the spring is tightly propped; 523. pushing a plate; 524. pressing a base; 525. a guide bar; 526. a buffer spring; 6. turning over the firmware; 61. a threaded post; 62. supporting a frame; 63. a fixed seat; 64. a protruding seat; 65. a top ring; 66. a lock nut; 67. a limiting seat; 68. a return spring; 69. a groove is poked; 610. a shifting sheet; 7. locking the screw rod; 8. and a through hole.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-9, the burr-free injection mold for the solar photovoltaic connector comprises an injection lower mold 2 and an injection upper mold 1 locked on the injection lower mold 2 through four locking screws 7, wherein a mold base 3 is installed at the lower end of the injection lower mold 2, a thimble element 4 is arranged on the inner side of the mold base 3, the thimble element 4 penetrates through the lower end face of the injection lower mold 2, a through hole 8 is formed in the middle of the lower end face of the mold base 3, a spinning element 5 is arranged above the injection upper mold 1, the spinning element 5 is matched with the locking screws 7, turning elements 6 are installed on two sides of the mold base 3, and the spinning element 5 is connected with the turning elements 6.

Thimble spare 4 is including being the square multiunit guide post 42 of arranging and inlaying between the inside bottom surface of the lower terminal surface of the lower mould 2 of moulding plastics and die holder 3, thimble seat 41 is installed in the surface laminating of multiunit guide post 42, guide post 42 plays the effect of guaranteeing thimble seat 41 and reciprocate perpendicularly, the upper end middle part of thimble seat 41 extends there is thimble 44, thimble 44 laminates and runs through in the lower terminal surface of the lower mould 2 of moulding plastics, the tip of thimble 44 and the die cavity coplane of the lower mould 2 of moulding plastics, can avoid influencing the work piece shaping, the outside winding of guide post 42 has pressure spring 43, pressure spring 43 is located between the upper end of thimble seat 41 and the lower extreme of the lower mould 2 of moulding plastics, pressure spring 43 plays and promotes the effect in order to reset to thimble seat 41.

The spinning and pressing piece 5 comprises two groups of supports 51 which are symmetrically arranged on two sides of the die holder 3, a bearing frame 52 is installed at the upper ends of the two groups of supports 51, a threaded sleeve 53 penetrates through and is embedded in the middle of the upper end face of the bearing frame 52, a threaded rod 54 is screwed in the threaded sleeve 53, the threaded sleeve 53 and the threaded rod 54 are matched to drive the connecting toothed ring 511 to move downwards, the thread pitch of the threaded rod 54 is larger than that of the locking screw 7, a pressing base 524 is coaxially and elastically installed at the lower end of the threaded rod 54, two groups of convex edge strips 518 symmetrically extend from the outer surface of the pressing base 524, the pressing base 524 plays a connecting role, a fixing sleeve 517 is installed on the outer surface of the pressing base 524 and the outer surface of each convex edge strip 518 in a fitting mode, each convex edge strip 518 plays a role in preventing rotation between the fixing sleeve 517 and the pressing base 524, the connecting toothed ring 511 is coaxially installed on the outer side of the fixing sleeve 517, and the connecting toothed ring 511 is located right above the injection upper die 1.

A plurality of groups of connecting frames 520 extend from the inner outer surface of the connecting gear ring 511 in an annular array, the end part of each connecting frame 520 is fixedly connected with the lower edge of the outer surface of the corresponding fixing sleeve 517, the connecting frames 520 play a role in connecting the connecting gear ring 511 and the corresponding fixing sleeve 517 together, a plurality of groups of guide rods 525 extend from the lower end surface of the threaded rod 54 in an annular array, the guide rods 525 are attached to and penetrate through the upper end surface of the corresponding pressing seat 524, the cross section of each guide rod 525 is T-shaped, the guide rods 525 play a role in ensuring synchronous rotation of the pressing seat 524 and the threaded rod 54, a buffer spring 526 is embedded between the lower end of the threaded rod 54 and the upper end of the corresponding pressing seat 524, the buffer spring 526 plays a role in offsetting errors generated between the downward moving speed of the threaded rod 54 and the downward moving speed of the locking screw 7, a connecting ring 516 is rotatably embedded in the middle part of the outer surface of the corresponding fixing sleeve 517, two groups of fixing frames 514 are symmetrically embedded on two sides of the connecting ring 516, a connecting ring 516 and a fixing frame 514, a guide shell 55 extends from the upper part of the front end of the corresponding fixing sleeve 517, a prism 521 is elastically installed in an attached to the inner part of the corresponding fixing sleeve 55, and a prism is attached to and attached to the prism 521, and used for guiding the prism of the prism 524, and for fixing sleeve 524.

Two groups of fixed square holes 519 are formed in a linear array on the front end face of the pressing seat 524, the prism 521 is attached to the lower part of the fixed square holes 519, a push plate 523 is embedded on the outer surface of the prism 521, the push plate 523 is attached to the inner outer surface of the guide shell 55, a jacking spring 522 is wound on the outer side of the prism 521, the jacking spring 522 is located between the front end of the push plate 523 and the inner front end of the guide shell 55, the jacking spring 522 plays a role of pushing the push plate 523 to fix the prism 521 in the fixed square holes 519, four groups of connecting gears 510 are meshed with the outer surface of the connecting gear ring 511, four groups of connecting gears 510 coaxially penetrate through and are embedded at the lower ends of the four groups of connecting gears 510, the connecting gear ring 511 plays a role of driving the connecting gears 510 to rotate simultaneously, four groups of hexagonal columns 57 extend from the middle parts of the lower ends of the four groups of connecting gears 58 respectively, the four groups of hexagonal columns 57 are matched with four locking screws 7 respectively, and the hexagonal columns 57 play a role of screwing the locking screws 7.

The outer surfaces of the four groups of connecting columns 58 are respectively rotatably embedded with four groups of connecting sleeves 59, arc-shaped fixing frames 512 are embedded between the four groups of connecting sleeves 59, the end parts of the fixing frames 514 are fixedly connected with the upper ends of the arc-shaped fixing frames 512, the connecting sleeves 59 and the arc-shaped fixing frames 512 play a role in installing the four groups of connecting columns 58, guide frames 56 extend from the side surfaces of the fixing frames 514, guide grooves 513 are formed in the side surfaces of the support 51, the guide frames 56 and the guide grooves 513 are matched to play a vertical guiding role, meanwhile, the four groups of connecting columns 58 cannot rotate along with the connecting toothed ring 511, the guide frames 56 are attached to the inner parts of the guide grooves 513, limiting plates 515 are embedded at the end parts of the guide frames 56, the limiting plates 515 are attached to the side surfaces of the support 51, and the limiting plates 515 play a role in ensuring that the connecting toothed ring 511 cannot move left and right.

The turning part 6 comprises two groups of fixing seats 63 symmetrically and fixedly installed on two sides of the die holder 3, threaded columns 61 extend from the upper portions of the side faces of the fixing seats 63, the fixing seats 63 are installed in a function, top rings 65 are coaxially embedded in the outer surfaces of the threaded columns 61, the support 51 is attached to the outer surface of the threaded columns 61, lock nuts 66 are screwed at the end portions of the threaded columns 61, the lock nuts 66 and the top rings 65 are respectively pressed on two sides of the support 51, the lock nuts 66 and the top rings 65 play a role in clamping and fixing the support 51, extending seats 64 extend from the lower portions of the side faces of the fixing seats 63, support frames 62 are fixedly installed at the lower ends of the extending seats 64, limit seats 67 are attached to the inner portions of the support frames 62, the support frames 62 play a supporting and loading role, the limit springs 68 are sequentially attached to the upper end faces of the extending seats 64 and the lower end faces of the support 51, the limit seats 67 play a limiting role in limiting role when the support 51 is turned over, the support frames 51 can keep a vertical state, reset springs 68 are embedded between the lower ends of the inner portions of the support seats 62 and the lower ends of the limit seats 67, the reset springs 68 play a role in supporting the function of pushing a T-shaped shifting sheet 69, the shifting sheet 610 is provided with shifting sheet 610 for shifting sheet, and for shifting sheet 610, and shifting sheet 610, the shifting sheet 610 is provided with shifting sheet.

The quick demolding method of the burr-free injection mold for the solar photovoltaic connector is further provided, and comprises the following steps: s1: the output end of the air cylinder penetrates through the through hole 8 and is pressed against the lower end of the thimble seat 41;

s2: the ejector pin base 41 is ejected by the operation of the air cylinder, so that the ejector pin column 44 on the ejector pin base 41 is driven to move upwards to eject the workpiece in the injection lower die 2, and the demolding is completed.

During injection, the upper injection mold 1 is placed on the lower injection mold 2, the four locking screws 7 are inserted into the upper injection mold 1, the hexagonal columns 57 are located in the locking screws 7, the threaded rods 54 are directly rotated to drive the connecting toothed ring 511 to rotate, the connecting toothed ring 511 is used for driving the connecting gear 510 to rotate simultaneously, the four groups of hexagonal columns 57 are driven to rotate simultaneously, the four locking screws 7 are rotated simultaneously, the locking screws 7 and the lower injection mold 2 are screwed together to press the upper injection mold 1 on the lower injection mold 2 to complete mold locking, the prism 521 is directly pulled to drive the fixing square hole 519 fixed at the lower part by the jacking spring 522 to be separated, the fixing sleeve 517 is directly pushed to drive the connecting toothed ring 511 to move upwards, and then the four groups of hexagonal columns 57 are driven to synchronously move upwards to be separated from the locking screw 7, then the prisms 521 are loosened, the prisms 521 enter the upper fixing square holes 519 under the supporting tops of the jacking springs 522 to fix the upwards moving connecting toothed ring 511, then the threaded rods 54 are reversely rotated to lift the connecting toothed ring 511, then the locking nuts 66 are directly rotated to loosen the brackets 51 locked between the locking nuts 66 and the jacking rings 65, then the poking sheets 610 are poked downwards to drive the poking sheets 610 to be separated from the lower end of the brackets 51, at the moment, the return springs 68 are contracted, then the brackets 51 are poked to be flipped so as to turn the connecting toothed ring 511 from the upper side to the side of the injection upper die 1, so that the injection upper die 1 can be exposed, and then injection production can be carried out.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a solar photovoltaic connector does not have burr injection mold, including moulding plastics lower mould (2) and locking mould (1) of moulding plastics on the lower mould (2) of moulding plastics through four locking screw (7), mould base (3) are installed to the lower extreme of the lower mould (2) of moulding plastics, the inboard of mould base (3) is provided with thimble spare (4), thimble spare (4) run through in the lower terminal surface of the lower mould (2) of moulding plastics, through-hole (8), its characterized in that have been seted up at the lower terminal surface middle part of mould base (3): the injection molding die is characterized in that a spinning part (5) is arranged above the injection molding upper die (1), the spinning part (5) is matched with a locking screw (7), turning parts (6) are installed on two sides of the die holder (3), and the spinning part (5) is connected with the turning parts (6).

2. The burr-free injection mold for the solar photovoltaic connector according to claim 1, wherein: thimble spare (4) are including being the square multiunit guide post (42) of arranging and inlaying between the inside bottom surface of the lower terminal surface of the lower mould of moulding plastics (2) and die holder (3), multiunit the surface laminating of guide post (42) is installed thimble seat (41), the upper end middle part of thimble seat (41) extends there is thimble post (44), thimble post (44) laminating runs through in the lower terminal surface of the lower mould of moulding plastics (2), the tip of thimble post (44) and the die cavity coplane of the lower mould of moulding plastics (2), the outside winding of guide post (42) has pressure spring (43), pressure spring (43) are located between the lower extreme of the upper end of thimble seat (41) and the lower mould of moulding plastics (2).

3. The burr-free injection mold for the solar photovoltaic connector according to claim 2, wherein: spinning spare (5) set up two sets of supports (51) in the both sides of die holder (3) including the symmetry, and are two sets of bear frame (52) is installed to the upper end of support (51), it has threaded sleeve (53) to bear the up end middle part of frame (52) to run through to inlay, threaded rod (54) are screwed to the inside of threaded sleeve (53), the pitch of threaded rod (54) is greater than the pitch of locking screw (7), the lower extreme coaxial elasticity of threaded rod (54) is installed and is pressed seat (524), the surface symmetry of pressing seat (524) extends there are two sets of protruding edges and ridges (518), the surface of pressing seat (524) all laminates with the surface of edges and is installed fixed cover (517), the outside coaxial arrangement of fixed cover (517) has connection ring gear (511), it is located the mould (1) directly over to mould plastics to connect ring gear (511).

4. The burr-free injection mold for the solar photovoltaic connector according to claim 3, wherein: connect the inside surface ring array of ring gear (511) and extend there are multiunit link (520), the tip of link (520) and the surface lower limb fixed connection of fixed cover (517), the lower terminal surface ring array of threaded rod (54) extends there are multiunit guide arm (525), the laminating of guide arm (525) runs through in the up end of pressing seat (524), the cross sectional shape of guide arm (525) is the T font, it has buffer spring (526) to inlay between the lower extreme of threaded rod (54) and the upper end of pressing seat (524), the surface middle part of fixed cover (517) is rotated and is inlayed and is had go-between (516), the bilateral symmetry of go-between (516) is inlayed and is had two sets of mounts (514), the front end upper portion of fixed cover (517) extends and has lead shell (55), the inside laminating of leading shell (55) is run through elastic mounting and is had prism (521), prism (521) laminating runs through in the front end face of fixed cover (517) and the front end face of pressing seat (524).

5. The burr-free injection mold for the solar photovoltaic connector according to claim 4, wherein: two sets of fixed square holes (519) have been seted up to the preceding terminal surface linear array who presses seat (524), prismatic (521) are laminated in fixed square hole (519) of lower part, the surface mosaic of prismatic (521) has push pedal (523), push pedal (523) are laminated in the inside surface of leading shell (55), the outside winding of prismatic (521) has top tight spring (522), top tight spring (522) are located between the inside front end of the front end of push pedal (523) and leading shell (55), the surface engagement of connecting ring gear (511) has four groups of connecting gear (510), four groups the lower extreme of connecting gear (510) is coaxial running through respectively and is inlayed four groups spliced pole (58), four groups the lower extreme middle part of spliced pole (58) has extended four groups of hexagonal columns (57) respectively, four groups hexagonal column (57) cooperate with four locking screw (7) respectively.

6. The burr-free injection mold for the solar photovoltaic connector according to claim 5, wherein: four the surface of spliced pole (58) rotates respectively to inlay has four sets of adapter sleeves (59), four sets it has the arc to link solid frame (512) to inlay between adapter sleeve (59), the upper end fixed connection of the tip and the arc of mount (514) link solid frame (512), the side of mount (514) extends there is leading truck (56), guiding groove (513) have been seted up to the side of support (51), leading truck (56) are laminated in the inside of guiding groove (513), the tip of leading truck (56) is inlayed and is had limiting plate (515), limiting plate (515) are laminated in the side of support (51).

7. The burr-free injection mold for the solar photovoltaic connector according to claim 6, wherein: turning over firmware (6) including symmetry fixed mounting two sets of fixing base (63) in the both sides of die holder (3), the side upper portion of fixing base (63) extends there is screw thread post (61), the coaxial inlaying of surface of screw thread post (61) has apical ring (65), support (51) are laminated in the surface of screw thread post (61), the tip of screw thread post (61) is screwed there is lock nut (66), lock nut (66) and apical ring (65) compress tightly respectively in the both sides of support (51), the side lower part of fixing base (63) extends there is stretching out seat (64), the lower extreme fixed mounting who stretches out seat (64) has support frame (62), spacing seat (67) is installed in the inside laminating of support frame (62), spacing seat (67) laminate in proper order and run through in the lower terminal surface that stretches out the up end of seat (64), support (51), inlay between the inside lower extreme of support frame (62) and the lower extreme of spacing seat (67) has reset spring (68), the shape of spacing seat (67) is the T font, the side of base (67) extends there is spacing seat (610) the plectrum (69) the plectrum in the side of support frame (610), the inside laminating of spacing groove (610) has been seted up.

8. A rapid demolding method of a burr-free injection mold for a solar photovoltaic connector of an injection mold according to claim 7, characterized by comprising the steps of: s1: the output end of the cylinder penetrates through the through hole (8) and is pressed against the lower end of the thimble seat (41);

s2: the ejector pin seat (41) is ejected by the operation of the air cylinder, so that the ejector pin column (44) on the ejector pin seat (41) is driven to move upwards to eject the workpiece in the injection lower die (2), and the demolding is finished.