阅读说明：本技术 一种uk接线端子及其制造方法 (UK wiring terminal and manufacturing method thereof ) 是由 潘笑 夏勇辉 于 2020-05-19 设计创作，主要内容包括：本发明涉及电气连接技术领域,具体涉及一种UK接线端子及其制造方法,包括壳体和接电块；所述壳体包括骨架体和填充体；所述骨架体为框架式的结构；所述填充体布设于骨架体的框架之间；所述骨架体和填充体通过注塑、保压、填充和热融的步骤制得；由于UK接线端子在使用中固定在导轨上,其应用环境对其老化及绝缘性能具有相应的要求,同时UK接线端子在电路系统中的应用数量繁多,运用一定比例的回料制造降低成本又会破坏其可靠的使用寿命；故此,本发明通过设置新料注塑成型的骨架体构成壳体框架,回料补充注塑填充至壳体的框架之间,保持了其使用中性能参数的有效寿命,同时降低了原料支出的成本,从而提升了UK接线端子产品的竞争性。(The invention relates to the technical field of electrical connection, in particular to a UK wiring terminal and a manufacturing method thereof, wherein the UK wiring terminal comprises a shell and a wiring block; the shell comprises a skeleton body and a filling body; the framework body is of a frame type structure; the filling bodies are arranged between the frames of the framework bodies; the framework body and the filler are prepared by the steps of injection molding, pressure maintaining, filling and hot melting; because the UK wiring terminal is fixed on the guide rail in use, the application environment of the UK wiring terminal has corresponding requirements on the aging and insulating property of the UK wiring terminal, and meanwhile, the UK wiring terminal has a large number of applications in a circuit system, and the reliable service life of the UK wiring terminal can be damaged by applying a certain proportion of returned materials to manufacture and reduce the cost; therefore, the shell frame is formed by arranging the framework body formed by injection molding of the new material, and the returned material is filled between the frames of the shell in a supplementary injection molding manner, so that the effective service life of performance parameters in use is kept, and the cost of raw material expenditure is reduced, thereby improving the competitiveness of the UK wiring terminal product.)

1. A UK wiring terminal comprises a shell (1) and a power connection block (2); the top of the shell (1) is provided with a pair of fixing holes (11), and fastening studs (111) are arranged in the fixing holes (11); the shell (1) below the fixing hole (11) is internally provided with an electricity connecting block (2), and conducting strips (21) are arranged between the electricity connecting blocks (2) and connected with each other; the method is characterized in that: a mounting angle (3) is arranged below the shell (1), buckling angles (31) are arranged at two ends of the mounting angle (3), and a top plate (32) is arranged at the center of the bottom of the mounting angle (3); connecting holes (12) are formed in two ends of the middle of the shell (1), the connecting holes (12) correspond to the positions of the power connection blocks (2) in the shell (1), and an identification groove (13) is formed in the outer side of the shell (1) above the connecting holes (12); the shell (1) comprises a skeleton body (4) and a filling body; the framework body (4) is of a frame type structure, and the framework body (4) is made of plastic which is not subjected to forming processing; the filling bodies are arranged between the frames of the framework bodies (4), and the filling bodies are recycled plastic.

2. A UK terminal according to claim 1, characterized in that; the framework body (4) is provided with a connecting shell (41), and the connecting shell (41) completely wraps the position of the connecting hole (12); an end plate (42) is arranged at one end, facing the outer side, of the connecting shell (41), and the connecting shell (41) and the framework body (4) are connected through the end plate (42).

3. A UK terminal according to claim 2, characterized in that: the framework body (4) is also provided with a reinforcing plate (43), and the reinforcing plate (43) is positioned below the bottom end of the fixing hole (11); the hole wall in the center of the reinforcing plate (43) is provided with grooves (431), and the grooves (431) are arranged in the vertical direction in a surrounding mode.

4. A UK terminal according to claim 1, characterized in that: a pair of support blocks (22) is arranged below the conducting plate (21), and the sections of the support blocks (22) are step-shaped; corresponding resisting plates (23) are arranged above the two supporting blocks (22); the conducting strip (21) is arranged between the supporting block (22) and the abutting plate (23).

5. A UK terminal according to claim 4, characterized in that: the support block (22) and the framework body (4) at the tail end of the resisting plate (23) are provided with longitudinal rods (44), and the longitudinal rods (44) are in contact with the installed conducting strips (21).

6. A manufacturing method of a UK wiring terminal is characterized in that: the method is suitable for the UK connecting terminal of any one of claims 1 to 5, and comprises the following steps:

s1, injection molding: selecting a new material to be added into an injection molding machine, injecting the raw material into a corresponding mold cavity through a hot melting process, wherein a stop block is preset in the mold cavity, and the stop block converts the cavity structure into the skeleton shape of the UK wiring terminal so that the new material in a molten state is shaped in the mold cavity;

s2, pressure maintaining: after the injection molding in the S1 is finished, controlling the mold cavity to apply stable pressure to the new molten material, keeping the pressure for 30-50S, then enabling the temperature of the mold cavity to be gradually reduced to 80 ℃ within 5min, opening the mold cavity to take out the stop block therein, closing the mold cavity, then exhausting air, controlling the air pressure in the mold cavity to be within 0.06MPa, heating the mold cavity to 120-150 ℃ and keeping the temperature for 4-5 min;

s3, filling: after the temperature of the die cavity in the S2 is raised, injecting and filling molten plastic containing more than 50% of return materials into the die cavity, and filling gaps among the UK wiring terminal frameworks to form a complete wiring terminal structure;

s4, hot melting: after the completion of the filling of the feed back in S3, the temperature in the control chamber is increased to 180-210 ℃, and the pressure therein is maintained within 0.1PMa, and the heating is continued for 2-3 min.

Technical Field

The invention relates to the technical field of electrical connection, in particular to a UK wiring terminal and a manufacturing method thereof.

Background

The wiring terminal is applied for facilitating the connection of a lead, and is characterized in that a metal sheet made of a conductive material is arranged in insulating plastic, mounting holes capable of being inserted with the lead are formed in two ends of the metal sheet, and fasteners for mounting the lead are arranged, so that a connection mode of welding or winding in the connection of the lead is replaced, the firmness and reliability of wiring are improved, and circuit faults caused by the loosening of the wiring are avoided; for the introduction of the UK terminals, see, especially, the maintenance notice [ D ] of the UK3N universal terminals, electromechanical engineering, 2018(No.1) 126-.

The manufacture of the connecting terminal is mainly based on mold injection, wherein key voltage resistance and aging resistance performance parameters of the connecting terminal are closely related to the quality of an injection molding material, but the injection molding material is completely prepared from a new plastic material, so that the cost of the connecting terminal is increased, and the quality of the connecting terminal is reduced due to excessive use of regenerated plastics, so that potential safety hazards are left in the application.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the UK wiring terminal and the manufacturing method thereof.

The invention relates to a UK wiring terminal which comprises a shell and a power connection block, wherein the shell is provided with a first connecting hole; the top of the shell is provided with a pair of fixing holes, and fastening studs are arranged in the fixing holes; the shell below the fixed hole is internally provided with an electric connection block respectively, and an electric conduction plate which is electrically connected is arranged between the electric connection blocks; an installation angle is arranged below the shell, buckling angles are arranged at two ends of the installation angle, and a top plate is arranged at the center of the bottom of the installation angle; connecting holes are formed in the two ends of the middle of the shell and correspond to the positions of the power connection blocks in the shell, and identification grooves are formed in the outer side of the shell above the connecting holes; the shell comprises a skeleton body and a filling body; the framework body is in a framework structure, and is a new plastic material which is not subjected to molding processing; the filling bodies are arranged between the frames of the framework bodies and are recycled and treated recycled plastic; when the UK wiring terminal is used, the buckling angle on one side of the installation angle is clamped into one side of the guide rail, then the buckling angle on the other side of the installation angle is pressed onto the other side of the guide rail, the top plate is completely installed on the guide rail, the lead is inserted into the connecting hole, the fastening stud in the fixing hole is adjusted, the power connection block is in close contact with the lead, then a line label is arranged in the identification groove, and as the UK wiring terminal is fixed on the guide rail in use, the application environment of the UK wiring terminal has corresponding requirements on the aging and insulating properties of the UK wiring terminal, and meanwhile, the UK wiring terminal is applied to a circuit system in a large number, and the cost is reduced and the reliable service life; therefore, the frame body is formed by injection molding of new plastic materials, the frame body forms a frame structure of the UK wiring terminal, the filling body containing regenerated plastic components is injected on the basis of the frame body, and gaps among the frame bodies are covered with the filling body, so that a finished product of the UK wiring terminal is prepared; the casing frame is formed by the framework body which is formed by injection molding of the new plastic material, and the regenerated plastic is filled between the frames of the casing body in a supplementary injection molding mode, so that the effective service life of performance parameters in use is kept, and the cost of raw material expenditure is reduced, thereby improving the competitiveness of the UK wiring terminal product.

Preferably, the framework body is provided with a connecting shell, and the connecting shell completely wraps the position of the connecting hole; the end plate is arranged at one end of the connecting shell facing to the outer side and connects the connecting shell with the framework body; the lead is connected to the UK wiring terminal, temperature rise is formed in the area of the lead due to the existence of contact resistance, aging influence on a shell material is accelerated, and a framework body formed by injection molding of new plastic materials is only used as a framework for keeping the structural strength of the shell; through the connecting shell arranged in the framework body, the position of the connecting hole in the shell body is corresponded, the new plastic material is used as the raw material for injection molding, the new plastic material of the framework body is transmitted to the connecting shell through the end plate in the injection molding process, the formed connecting shell wraps the connecting part of the lead and the UK connecting terminal, the tolerance of the shell body at the position of the connecting hole is ensured, and the service life of the UK connecting terminal is maintained.

Preferably, the framework body is further provided with a reinforcing plate, and the reinforcing plate is located below the bottom end of the fixing hole; the hole wall in the center of the reinforcing plate is provided with a groove which is arranged in a surrounding manner in the vertical direction; the fastening stud in the fixing hole is adjusted to enable the lead to be pressed onto the power connection block, and because the screwing force of the fastening stud is difficult to control in the installation process, in order to ensure the electrical connection effect of the lead and the power connection block, the screwing force applied to the fastening stud is in an interference state and also acts on the structure of the framework body, the overall strength of the framework can be weakened by local extra stress, and in the long-time use of the UK wiring terminal, the material of the shell and the material of the fastening stud deform to different degrees under the change of the environmental temperature, so that the stability of the framework is damaged; through setting up the reinforcing plate in the fixed orifices below, bear the effort that fastening stud screwed and press to the wire, avoided the local extra effort that the skeleton body structure received, and set up at reinforcing plate center hole wall upper groove, under ambient temperature's change, as the surplus of reinforcing plate deformation, and can not influence the stability of being correlated with between the fastening bolt structure to the suitability of skeleton body among the UK binding post has been promoted.

Preferably, a pair of support blocks is arranged below the conducting strip, and the cross section of each support block is step-shaped; corresponding supporting plates are arranged above the two supporting blocks; the conducting plate is arranged between the supporting block and the abutting plate; the two ends of the conducting strips are connected with the electric connection blocks, and the conducting strips are deformed after being used for a long time due to temperature change in the environment and current change in a circuit system, so that the formed bending interferes the transmission effect of an electric signal, and the quality of the UK wiring terminal is reduced; through the supporting blocks and the abutting plates arranged on the upper side and the lower side of the conducting plate, the deformation of the contact position of the conducting plate and the electric connecting block is limited by the interaction of the step shape of the supporting blocks and the abutting plates, and the effect of the conducting plate in a circuit system is further maintained, so that the use effect of the UK wiring terminal is stabilized.

Preferably, the framework bodies at the tail ends of the supporting block and the resisting plate are provided with longitudinal rods, and the longitudinal rods are in contact with the installed conducting strips; the conducting strip is limited by the supporting block and the supporting plate, so that the deformation of the conducting strip is avoided, the conducting strip in use is electrically reacted with moisture in the air, and precipitates of the conducting strip can accelerate the aging of a shell material to influence the stability of a shell structure; through setting up at the terminal vertical pole of tray and support plate, utilize the skeleton body as the material of vertical pole, strengthened the characteristic of its ageing resistance, simultaneously at the in-process of moulding plastics of skeleton body, the terminal degree of difficulty that has increased pressure-equalizing shaping of layer board and support plate in the cavity, couple together between the vertical pole through setting up with the end, do benefit to the forming process of the pressurize of moulding plastics to UK binding post's manufacturing effect has been promoted.

The invention relates to a manufacturing method of a UK wiring terminal, which is suitable for the UK wiring terminal and comprises the following steps:

s1, injection molding: selecting a new plastic material to be added into an injection molding machine, injecting the raw material into a corresponding mold cavity through a hot melting process, wherein a stop block is preset in the mold cavity, and the stop block converts the cavity structure in the mold cavity into the skeleton shape of the UK wiring terminal, so that the new plastic material in a molten state is shaped in the mold cavity; the check block is arranged in the injection molding cavity and used for molding the raw material in a molten state into the skeleton shape of the wiring terminal, and the skeleton of the wiring terminal is made of a new plastic material through injection molding, so that the stability of the wiring terminal structure in use is ensured, and the performance parameters of manufacturing the UK wiring terminal are maintained;

s2, pressure maintaining: after the injection molding in the S1 is finished, controlling the mold cavity to apply stable pressure to the new molten plastic material for 30-50S, maintaining the pressure for 30-50S, then enabling the temperature of the mold cavity to be gradually reduced to 80 ℃ within 5min, opening the mold cavity to take out the stop block therein, closing the mold cavity, then exhausting air, controlling the air pressure in the mold cavity to be within 0.06MPa, heating the mold cavity to 120-150 ℃ and maintaining for 4-5 min; in the pressure maintaining process in the die cavity, in order to stabilize the framework structure formed by injection molding of the new plastic material, the temperature is reduced in an annealing mode, the processing characteristic of the framework structure is protected, and after the stop block in the die cavity is taken out, the die cavity is pumped into a negative pressure state and is heated up, so that the melting characteristic of the framework structure is improved, and the subsequent manufacturing process is facilitated;

s3, filling: after the temperature of the die cavity in the S2 is raised, injecting and filling molten plastic containing more than 50% of regenerated plastic into the die cavity, and filling gaps among the UK wiring terminal frameworks to form a complete wiring terminal structure; the recycled plastic component added in the manufacturing process of the connecting terminal is beneficial to reducing the production cost of the connecting terminal, and only the plastic containing the recycled plastic component is melted to be used as a filling material in the UK connecting terminal structure, so that the key performance of the UK connecting terminal in use is prevented from being influenced by the disadvantages of the recycled plastic;

s4, hot melting: after the filling of the recycled plastic in S3 is completed, the temperature in the control cavity is increased to 180-210 ℃, the air pressure therein is maintained within 0.1PMa, and the heating is continued for 2-3 min; after the recycled plastic is filled into the die cavity, the temperature of the die cavity is further increased, the air pressure in the die cavity is controlled, the recycled plastic of the filling structure is favorably fused with the new plastic of the framework structure, and the manufacturing quality of the UK connecting terminal is further maintained.

The invention has the following beneficial effects:

1. according to the invention, the casing frame is formed by arranging the framework body which is formed by injection molding of the new plastic material, and the regenerated plastic is filled between the frames of the casing in a supplementary injection molding manner, so that the service life of the connecting terminal is maintained, the raw material cost is reduced, and the competitiveness of a UK connecting terminal product is improved; the connecting shell arranged in the framework body uses a new plastic material as a raw material for injection molding, so that the tolerance of the shell at the position of the connecting hole is ensured, and the service life of the UK connecting terminal is maintained.

2. According to the invention, the reinforcing plate arranged below the fixing hole is used for avoiding local additional acting force on the framework body structure, and the groove arranged on the central hole wall of the reinforcing plate is used as the deformation allowance of the reinforcing plate, so that the correlation stability among the fastening bolt structures can not be influenced; the supporting blocks and the abutting plates are arranged on the upper side and the lower side of the conducting plate, and the deformation of the contact position of the conducting plate and the power connection block is limited by the interaction of the step shape of the supporting blocks and the abutting plates, so that the effect of the conducting plate in a circuit system is maintained; the longitudinal rod arranged at the tail end of the supporting block and the supporting plate strengthens the anti-aging characteristic of the supporting block, is favorable for the molding process of injection molding and pressure maintaining, and improves the manufacturing effect of the UK connecting terminal.

Drawings

The invention is further described with reference to the following figures and embodiments.

Fig. 1 is a flow chart of a method of manufacturing a UK terminal according to the invention;

fig. 2 is a perspective view of a UK terminal of the invention;

FIG. 3 is a perspective view of a carcass member in accordance with the present invention;

FIG. 4 is a partial enlarged view of FIG. 3 at A;

FIG. 5 is a partial enlarged view of FIG. 3 at B;

in the figure: the device comprises a shell 1, a fixing hole 11, a fastening stud 111, a connecting hole 12, a mark groove 13, an electricity connecting block 2, a conducting strip 21, a support block 22, a resisting plate 23, a mounting angle 3, a buckling angle 31, a top plate 32, a framework body 4, a connecting shell 41, an end plate 42, a reinforcing plate 43, a groove 431 and a longitudinal rod 44.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 5, a UK terminal according to the present invention includes a housing 1 and a power connection block 2; the top of the shell 1 is provided with a pair of fixing holes 11, and fastening studs 111 are arranged in the fixing holes 11; the shell 1 below the fixing hole 11 is internally provided with an electric connection block 2 respectively, and an electric conduction plate 21 which is electrically connected is arranged between the electric connection blocks 2; an installation angle 3 is arranged below the shell 1, buckling angles 31 are arranged at two ends of the installation angle 3, and a top plate 32 is arranged at the center of the bottom of the installation angle 3; connecting holes 12 are formed in two ends of the middle of the shell 1, the connecting holes 12 correspond to the positions of the power connection blocks 2 in the shell 1, and an identification groove 13 is formed in the outer side of the shell 1 above the connecting holes 12; the shell 1 comprises a skeleton body 4 and a filling body; the framework body 4 is of a frame type structure, and is a new plastic material which is not subjected to forming processing treatment; the filling bodies are arranged between the frames of the framework bodies 4 and are recycled and treated recycled plastic; when the UK wiring terminal is used, the buckling angle 31 on one side of the installation angle 3 is clamped into one side of the guide rail, then the buckling angle 31 on the other side of the installation angle is pressed onto the other side of the guide rail, the top plate 32 is completely installed on the guide rail, the lead is inserted into the connecting hole 12, the fastening stud 111 in the fixing hole 11 is adjusted, the power connection block 2 is in close contact with the lead, then a line mark is arranged in the mark groove 13, and the UK wiring terminal is fixed on the guide rail in use, so that the application environment of the UK wiring terminal has corresponding requirements on the aging and insulating properties of the UK wiring terminal, meanwhile, the UK wiring terminal is applied to a circuit system in a large number, the cost is reduced by applying a certain proportion; therefore, the frame body 4 is formed by injection molding of a new plastic material, the frame body 4 forms a frame structure of the UK connecting terminal, a filling body containing a regenerated plastic component is injected on the basis of the frame body 4, and gaps among the frame bodies 4 are covered with the filling body, so that a finished product of the UK connecting terminal is prepared; the frame body 4 formed by injection molding of the new plastic material is utilized to form the frame of the shell 1, and the regenerated plastic is filled between the frames of the shell 1 in a supplementary injection molding mode, so that the effective service life of performance parameters in use is kept, and the cost of raw material expenditure is reduced, thereby improving the competitiveness of a UK wiring terminal product.

As an embodiment of the present invention, the framework body 4 is provided with a connecting shell 41, and the connecting shell 41 completely wraps the position of the connecting hole 12; an end plate 42 is arranged at one end of the connecting shell 41 facing to the outside, and the end plate 42 connects the connecting shell 41 with the framework body 4; the lead is connected to the UK wiring terminal, temperature rise is formed in the area of the lead due to the existence of contact resistance, aging influence on the material of the shell 1 is accelerated, and the framework body 4 which is formed by injection molding of new plastic materials is only used as a framework for keeping the structural strength of the shell 1; by arranging the connecting shell 41 in the framework body 4, corresponding to the position of the connecting hole 12 in the shell 1, a new plastic material is used as a raw material for injection molding, and the new plastic material of the framework body 4 is transmitted to the connecting shell 41 through the end plate 42 in the injection molding process, so that the formed connecting shell 41 wraps the connecting part of the lead and the UK connecting terminal, the tolerance of the shell 1 at the position of the connecting hole 12 is ensured, and the service life of the UK connecting terminal is maintained.

As an embodiment of the present invention, the framework body 4 is further provided with a reinforcing plate 43, and the reinforcing plate 43 is located below the bottom end of the fixing hole 11; a groove 431 is formed in the hole wall in the center of the reinforcing plate 43, and the grooves 431 are arranged in the vertical direction in a surrounding mode; the fastening stud 111 in the fixing hole 11 is adjusted to enable the lead to be pressed onto the power connection block 2, and because the screwing force of the fastening stud 111 is difficult to control in the installation process, in order to ensure the electrical connection effect of the lead and the power connection block 2, the screwing force applied to the fastening stud 111 is in an interference state and also acts on the structure of the framework body 4, the overall strength of the framework body 4 can be weakened by local extra stress, and in the long-time use of the UK wiring terminal, the material of the shell 1 and the material of the fastening stud deform to different degrees under the change of the environmental temperature, so that the stability of the shell is damaged; through the reinforcing plate 43 arranged below the fixing hole 11, the acting force of the fastening stud 111 screwed and pressed to the lead is borne, the local additional acting force borne by the framework 4 structure is avoided, the groove 431 is arranged on the central hole wall of the reinforcing plate 43 and is used as the allowance of deformation of the reinforcing plate 43 under the change of the ambient temperature, and the stability of association between the fastening bolt structures is not influenced, so that the applicability of the framework 4 in the UK wiring terminal is improved.

As an embodiment of the present invention, a pair of support blocks 22 is disposed below the conductive sheet 21, and the cross section of each support block 22 is stepped; a corresponding resisting plate 23 is arranged above the two supporting blocks 22; the conducting plate 21 is arranged between the supporting block 22 and the abutting plate 23; the two end connection blocks 2 are connected between the conducting strips 21, and the conducting strips 21 are deformed after being used for a long time due to temperature change in the environment and current change in a circuit system, so that the formed bending interferes the transmission effect of an electric signal, and the quality of the UK wiring terminal is further reduced; through the supporting blocks 22 and the abutting plates 23 arranged on the upper side and the lower side of the conducting strip 21, the deformation of the contact position of the conducting strip 21 and the power connection block 2 is limited by the interaction of the step shape of the supporting blocks 22 and the abutting plates 23, and the action of the conducting strip 21 in a circuit system is further maintained, so that the use effect of the UK wiring terminal is stabilized.

As an embodiment of the invention, the longitudinal rods 44 are arranged on the framework body 4 at the tail ends of the supporting block 22 and the resisting plate 23, and the longitudinal rods 44 are in contact with the installed conducting strips 21; the conducting strip 21 is limited by the supporting block 22 and the resisting plate 23, so as to avoid the deformation of the conducting strip 21, the conducting strip 21 in use reacts with moisture in the air under the electrical property, and the precipitate of the conducting strip can accelerate the aging of the material of the shell 1, so that the stability of the structure of the shell 1 is influenced; through setting up the vertical pole 44 at the end of tray 22 and resisting board 23, utilize the skeleton body 4 as the material of vertical pole 44, strengthened its ageing resistance's characteristic, simultaneously at the in-process of moulding plastics of skeleton body 4, the terminal degree of difficulty that has increased pressure-equalizing shaping of layer board and resisting board 23 in the cavity, connect between the end through the vertical pole 44 that sets up, do benefit to the forming process of the pressurize of moulding plastics to the manufacturing effect of UK binding post has been promoted.

The invention relates to a manufacturing method of a UK wiring terminal, which is suitable for the UK wiring terminal and comprises the following steps:

s1, injection molding: selecting a new plastic material to be added into an injection molding machine, injecting the raw material into a corresponding mold cavity through a hot melting process, wherein a stop block is preset in the mold cavity, and the stop block converts the cavity structure in the mold cavity into the skeleton shape of the UK wiring terminal, so that the new plastic material in a molten state is shaped in the mold cavity; the check block is arranged in the injection molding cavity and used for molding the raw material in a molten state into the skeleton shape of the wiring terminal, and the skeleton of the wiring terminal is made of a new plastic material through injection molding, so that the stability of the wiring terminal structure in use is ensured, and the performance parameters of manufacturing the UK wiring terminal are maintained;

s2, pressure maintaining: after the injection molding in the S1 is finished, controlling the mold cavity to apply stable pressure to the new molten plastic material for 30-50S, maintaining the pressure for 30-50S, then enabling the temperature of the mold cavity to be gradually reduced to 80 ℃ within 5min, opening the mold cavity to take out the stop block therein, closing the mold cavity, then exhausting air, controlling the air pressure in the mold cavity to be within 0.06MPa, heating the mold cavity to 120-150 ℃ and maintaining for 4-5 min; in the pressure maintaining process in the die cavity, in order to stabilize the framework structure formed by injection molding of the new plastic material, the temperature is reduced in an annealing mode, the processing characteristic of the framework structure is protected, and after the stop block in the die cavity is taken out, the die cavity is pumped into a negative pressure state and is heated up, so that the melting characteristic of the framework structure is improved, and the subsequent manufacturing process is facilitated;

s3, filling: after the temperature of the die cavity in the S2 is raised, injecting and filling molten plastic containing more than 50% of regenerated plastic into the die cavity, and filling gaps among the UK wiring terminal frameworks to form a complete wiring terminal structure; the recycled plastic component added in the manufacturing process of the connecting terminal is beneficial to reducing the production cost of the connecting terminal, and only the plastic containing the recycled plastic component is melted to be used as a filling material in the UK connecting terminal structure, so that the key performance of the UK connecting terminal in use is prevented from being influenced by the disadvantages of the recycled plastic;

s4, hot melting: after the filling of the recycled plastic in S3 is completed, the temperature in the control cavity is increased to 180-210 ℃, the air pressure therein is maintained within 0.1PMa, and the heating is continued for 2-3 min; after the recycled plastic is filled into the die cavity, the temperature of the die cavity is further increased, the air pressure in the die cavity is controlled, the recycled plastic of the filling structure is favorably fused with the new plastic of the framework structure, and the manufacturing quality of the UK connecting terminal is further maintained.

When the device works, the buckling angle 31 on one side of the installation angle 3 is clamped into one side of the guide rail, then the buckling angle 31 on the other side of the installation angle is pressed onto the other side of the guide rail, so that the top plate 32 is completely installed on the guide rail, the lead is inserted into the connecting hole 12, the fastening stud 111 in the fixing hole 11 is adjusted, so that the power connection block 2 is in close contact with the lead, and then a line label is arranged in the identification groove 13; the frame body 4 is formed by injection molding of a new plastic material, the frame body 4 forms a frame structure of the UK connecting terminal, a filling body containing a regenerated plastic component is injected on the basis of the frame body 4, and gaps among the frame bodies 4 are covered with the filling body to obtain a finished product of the UK connecting terminal; the connecting shell 41 arranged in the framework body 4 corresponds to the position of the connecting hole 12 in the shell 1, a new plastic material is used as a raw material for injection molding, and the new plastic material of the framework body 4 is transmitted to the connecting shell 41 through the end plate 42 in the injection molding process, so that the formed connecting shell 41 wraps the connecting part of the lead and the UK connecting terminal, and the tolerance of the shell 1 at the position of the connecting hole 12 is ensured; the reinforcing plate 43 arranged below the fixing hole 11 bears the acting force of the fastening stud 111 which is screwed and pressed to the lead, so that the local additional acting force borne by the framework body 4 structure is avoided, and the groove 431 arranged on the central hole wall of the reinforcing plate 43 is used as the deformation allowance of the reinforcing plate 43 under the change of the environmental temperature, so that the correlation stability among the fastening bolt structures can not be influenced; the supporting blocks 22 and the abutting plates 23 arranged on the upper side and the lower side of the conducting sheet 21 limit the deformation of the contact position of the conducting sheet 21 and the power connection block 2 by utilizing the step shape of the supporting blocks 22 to be interacted with the abutting plates 23, so that the action of the conducting sheet 21 in a circuit system is maintained; the longitudinal rods 44 arranged at the tail ends of the supporting block 22 and the resisting plate 23 are made of the framework body 4, so that the ageing resistance of the framework body is enhanced, meanwhile, in the injection molding process of the framework body 4, the tail ends of the supporting plate and the resisting plate 23 in the cavity are difficult to be subjected to pressure-equalizing molding, and the tail ends are connected through the arranged longitudinal rods 44, so that the injection molding and pressure maintaining molding process is facilitated.

The foregoing illustrates and describes the principles, general features, and advantages of the present 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present 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.