Splicing type terminal block injection mold

Abstract

The utility model discloses a splicing type terminal block injection mold, which relates to the technical field of molds and comprises a rear mold, a front mold is arranged on the front side of the rear mold, side molds are arranged on the left side and the right side of the rear mold, an upper mold is arranged at the upper end of the rear mold, the rear mold comprises a rear fixing plate, and the front end of the rear fixing plate is fixedly connected with a mold cavity bottom plate. The upper end of the mold cavity bottom plate is fixedly connected with a mold cavity rear plate, the rear end of the mold cavity rear plate is fixedly connected with the front end of the rear fixing plate, and the left side and the right side of the mold cavity rear plate are each provided with a plurality of first splicing blocks; first dovetail grooves with the same size are formed in the left side and the right side of the upper end of the mold cavity rear plate and the side, away from the mold cavity rear plate, of the upper end of the first splicing block in a penetrating mode, and the forming blocks of the front mold, the rear mold and the side mold can be spliced and adjusted through the dovetail grooves and the dovetail blocks and can be rapidly adjusted according to different product requirements; therefore, the die can be used for processing bridge-type wiring terminal blocks of various specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely relates to a kind of splicing type wiring terminal row injection mould. BACKGROUND

[0002] Terminal is the component of battery and external conductor connection, in electrotechnics, terminal is more to refer to wiring terminal, also called wiring terminal, single-hole, double-hole, socket and hook etc.

[0003] The current injection mould is poor in adjustability, when processing bridge type wiring terminal row of different hole numbers, the entire mould assembly is usually replaced, the processing cost is higher, meanwhile, the shape of bridge type terminal row is more complex, is easily shielded by forming block after forming, and it is inconvenient to demould, therefore, a kind of splicing type wiring terminal row injection mould is provided to solve the problems in the above. UTILITY MODEL CONTENTS

[0004] To solve the above technical problem, provide a kind of splicing type wiring terminal row injection mould, the technical scheme of the present application solves the problems in the above background art, the current injection mould is poor in adjustability, when processing bridge type wiring terminal row of different hole numbers, the entire mould assembly is usually replaced, the processing cost is higher, meanwhile, the shape of bridge type terminal row is more complex, is easily shielded by forming block after forming, and it is inconvenient to demould.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of splicing type wiring terminal row injection mould, including rear mould, the front side of rear mould is provided with front mould, the left and right sides of rear mould are provided with side mould, the upper end of rear mould is provided with upper mould;

[0007] The rear mold comprises a rear fixed plate, the front end of the rear fixed plate is fixedly connected with a mold cavity bottom plate, the upper end of the mold cavity bottom plate is fixedly connected with a mold cavity rear plate, the rear end of the mold cavity rear plate is fixedly connected with the front end of the rear fixed plate, the left and right sides of the mold cavity rear plate are both provided with a plurality of first splicing blocks, the left and right sides of the upper end of the mold cavity rear plate and the side away from the mold cavity rear plate of the upper end of the first splicing block are both provided with a first dovetail groove with the same size, the end away from the mold cavity rear plate of the two outermost first splicing blocks is provided with a first side block, the end close to the mold cavity rear plate of the first side block and the first splicing block is fixedly connected with a first dovetail block, the left and right sides of the mold cavity rear plate are inserted with the two innermost first splicing blocks through the first dovetail groove and the first dovetail block, the outer first splicing blocks are inserted with the inner first splicing blocks through the first dovetail groove and the first dovetail block, the outer first splicing blocks are inserted with the two outermost first splicing blocks through the first dovetail groove and the first dovetail block, the front end of the mold cavity rear plate and the first splicing block is fixedly connected with a first forming block, the lower end of the mold cavity bottom plate is provided with an injection hole, one end of the injection hole penetrates the lower end of the mold cavity rear plate and extends to the upper end of the mold cavity rear plate.

[0008] Preferably, the front mold comprises a front moving plate, the rear end of the front moving plate is fixedly connected with a mold cavity front plate, the left and right sides of the mold cavity front plate are both provided with a plurality of second splicing blocks, the rear end of the mold cavity front plate and the second splicing block is fixedly connected with a second forming block, the side away from the mold cavity front plate of the two outermost second splicing blocks is provided with a second side block, the left and right sides of the upper end of the mold cavity front plate and the side away from the mold cavity front plate of the upper end of the second splicing block are both provided with a second dovetail groove, the end close to the mold cavity front plate of the second side block and the second splicing block is fixedly connected with a second dovetail block, the left and right sides of the mold cavity front plate are inserted with the two innermost second splicing blocks through the second dovetail groove and the second dovetail block, the outer second splicing blocks are inserted with the inner second splicing blocks through the second dovetail groove and the second dovetail block, the outer second splicing blocks are inserted with the two outermost second splicing blocks through the second dovetail groove and the second dovetail block, a butt joint groove is arranged between the lower end of the second splicing block between the two second side blocks.

[0009] Preferably, the side mold comprises a side moving plate, the inner side of the side moving plate is fixedly connected with a mold cavity side plate, the inner side of the mold cavity side plate is fixedly connected with a third forming block, the upper end of the third forming block is provided with a third dovetail groove, the third dovetail groove is inserted with a third dovetail block, the end away from the third forming block of the third dovetail block is fixedly connected with a fourth forming block.

[0010] Preferably, the upper die comprises an upper moving plate, a plurality of mounting holes are uniformly distributed and arranged on the upper end of the upper moving plate, a fastening bolt is threadedly connected in the mounting hole, a pressing plate is threadedly connected on the outer surface of the fastening bolt, a mold cavity top plate is fixedly connected on the lower end of the pressing plate, a forming groove is arranged on the lower end of the mold cavity top plate, a threaded hole is arranged in the forming groove, and a fifth forming block is threadedly connected in the threaded hole.

[0011] The utility model has the beneficial effects compared with prior art:

[0012] The forming blocks of the front die, the rear die and the side die can be spliced and adjusted through the dovetail groove and the dovetail block, can be quickly adjusted according to different product requirements, so that the mold can process bridge type terminal rows of various specifications, thereby meeting diversified production requirements, helping to reduce production cost, and the injection cavity of the mold is formed by combining the front die, the rear die, the side die and the upper die; when demolding, the upper die, the side die and the front die are removed in sequence, the shielding of the injection molding part by each forming block is gradually removed, and the molded injection molding part can be directly taken out, facilitating demolding. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the rear die in the utility model;

[0015] Figure 3 It is Figure 2 A local enlarged schematic view of the position A in the utility model;

[0016] Figure 4 It is a structural schematic diagram of the front die in the utility model;

[0017] Figure 5 It is Figure 4 A local enlarged schematic view of the position B in the utility model;

[0018] Figure 6 It is a structural schematic diagram of the side die in the utility model;

[0019] Figure 7 It is a structural schematic diagram of the upper die in the utility model;

[0020] Figure 8 It is a structural schematic diagram of the terminal row injected by the utility model.

[0021] The reference signs in the drawing are:

[0022] 1, rear mold; 101, rear fixed plate; 102, cavity bottom plate; 103, cavity rear plate; 104, first splicing block; 105, first side block; 106, injection hole; 107, first forming block; 108, first dovetail groove; 109, first dovetail block;

[0023] 2, front mold; 201, front moving plate; 202, cavity front plate; 203, second splicing block; 204, second forming block; 205, second side block; 206, butt joint groove; 207, second dovetail groove; 208, second dovetail block;

[0024] 3, side mold; 301, side moving plate; 302, cavity side plate; 303, third forming block; 304, fourth forming block; 305, third dovetail groove; 306, third dovetail block;

[0025] 4, upper mold; 401, upper moving plate; 402, pressing plate; 403, cavity top plate; 404, forming groove; 405, fifth forming block; 406, mounting hole; 407, fastening bolt;

[0026] 5, bridge terminal block shell; 501, trapezoidal groove; 502, short rectangular groove; 503, hollow cylinder; 504, through hole; 505, long rectangular groove; 506, U-shaped groove. DETAILED DESCRIPTION

[0027] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and those skilled in the art can think of other obvious modifications.

[0028] Referring to Figures 1-3 As shown in the figure, a splicing type terminal block injection mold, comprising a rear mold 1, the front side of the rear mold 1 is provided with a front mold 2, the left and right sides of the rear mold 1 are provided with side molds 3, and the upper end of the rear mold 1 is provided with an upper mold 4;

[0029] The rear mold 1 comprises a rear fixed plate 101, the front end of the rear fixed plate 101 is fixedly connected with a mold cavity bottom plate 102, the upper end of the mold cavity bottom plate 102 is fixedly connected with a mold cavity rear plate 103, the rear end of the mold cavity rear plate 103 is fixedly connected with the front end of the rear fixed plate 101, the left and right sides of the mold cavity rear plate 103 are both provided with a plurality of first splicing blocks 104, the left and right sides of the upper end of the mold cavity rear plate 103 and the upper end of the first splicing block 104 away from the mold cavity rear plate 103 are both penetrated to form first dovetail grooves 108 with the same size, the ends of the two outermost first splicing blocks 104 away from the mold cavity rear plate 103 are both provided with first side edge blocks 105, the ends of the first side edge blocks 105 and the first splicing blocks 104 close to the mold cavity rear plate 103 are both fixedly connected with first dovetail blocks 109, the left and right sides of the mold cavity rear plate 103 are both inserted with the two innermost first splicing blocks 104 through the first dovetail grooves 108 and the first dovetail blocks 109, the outer side of the inner first splicing block 104 is inserted with the outer side of the outer first splicing block 104 through the first dovetail grooves 108 and the first dovetail blocks 109, the outer sides of the two outermost first splicing blocks 104 are inserted with the two first side edge blocks 105 through the first dovetail grooves 108 and the first dovetail blocks 109, the front ends of the mold cavity rear plate 103 and the first splicing blocks 104 are both fixedly connected with first forming blocks 107, the lower end of the mold cavity bottom plate 102 is penetrated to form an injection hole 106, one end of the injection hole 106 penetrates the lower end of the mold cavity rear plate 103 and extends to the upper end of the mold cavity rear plate 103.

[0030] Referring to Figure 8 The bridge terminal strip row comprises a bridge terminal strip shell 5, the left and right sides of the bridge terminal strip shell 5 are provided with trapezoidal grooves 501, a long rectangular groove 505 is penetrated between the two trapezoidal grooves 501, a plurality of short rectangular grooves 502 are penetrated at the front and rear ends of the long rectangular groove 505, a U-shaped groove 506 is arranged at the lower end of the bridge terminal strip shell 5, a plurality of through holes 504 are arranged at the lower end of the short rectangular groove 502, and a plurality of hollow cylinders 503 are arranged at the upper end of the bridge terminal strip shell 5.

[0031] Referring to Figure 4 and Figure 5As shown, the front mold 2 comprises a front moving plate 201, the rear end of the front moving plate 201 is fixedly connected with a mold cavity front plate 202, the left and right sides of the mold cavity front plate 202 are both provided with a plurality of second splicing blocks 203, the rear ends of the mold cavity front plate 202 and the second splicing blocks 203 are both fixedly connected with second forming blocks 204, the sides away from the mold cavity front plate 202 of the two outermost second splicing blocks 203 are both provided with second side edge blocks 205, the left and right sides of the upper end of the mold cavity front plate 202 and the upper end of the second splicing blocks 203 are both provided with second dovetail grooves 207 away from the mold cavity front plate 202, the ends close to the mold cavity front plate 202 of the second side edge blocks 205 and the second splicing blocks 203 are both fixedly connected with second dovetail blocks 208, the two innermost second splicing blocks 203 are inserted into the left and right sides of the mold cavity front plate 202 through the second dovetail grooves 207 and the second dovetail blocks 208, the outer second splicing blocks 203 are inserted into the outer sides of the inner second splicing blocks 203 through the second dovetail grooves 207 and the second dovetail blocks 208, the two second side edge blocks 205 are inserted into the outer sides of the two outermost second splicing blocks 203 through the second dovetail grooves 207 and the second dovetail blocks 208, and the lower ends of the second splicing blocks 203 between the two second side edge blocks 205 are provided with butt joints 206.

[0032] Referring to Figure 6 As shown, the side mold 3 comprises a side moving plate 301, the inner side of the side moving plate 301 is fixedly connected with a mold cavity side plate 302, the inner side of the mold cavity side plate 302 is fixedly connected with a third forming block 303, the upper end of the third forming block 303 is provided with a third dovetail groove 305, the third dovetail groove 305 is inserted with a third dovetail block 306, and the end away from the third forming block 303 of the third dovetail block 306 is fixedly connected with a fourth forming block 304.

[0033] Referring to Figure 7 As shown, the upper mold 4 comprises an upper moving plate 401, the upper end of the upper moving plate 401 is provided with a plurality of evenly distributed mounting holes 406, the inside of the mounting holes 406 is threadedly connected with fastening bolts 407, the outer surface of the fastening bolts 407 is threadedly connected with a pressing plate 402, the lower end of the pressing plate 402 is fixedly connected with a mold cavity top plate 403, the lower end of the mold cavity top plate 403 is provided with a forming groove 404, the inside of the forming groove 404 is provided with a threaded hole, the threaded hole is threadedly connected with a fifth forming block 405, and the upper end of the fifth forming block 405 is provided with a threaded column, and rotating the threaded column inserted into the threaded hole can install the fifth forming block 405.

[0034] Further, the rear fixing plate 101, the cavity bottom plate 102, the front moving plate 201 and the upper moving plate 401 are long enough to facilitate the expansion of the mold. In actual use, the cavity bottom plate 102 is fixed on a water platform, the outer sides of the front moving plate 201, the upper moving plate 401 and the side moving plate 301 are connected with driving mechanisms to drive them to move linearly, the lower end of the side moving plate 301 is slidingly connected with the upper end of the cavity bottom plate 102 in close fit, and the front end of the cavity rear plate 103 is abutted with the inner wall of the butt joint groove 206, the inner side of the cavity side plate 302 is abutted with the outer sides of the first side block 105 and the second side block 205, and the two fourth forming blocks 304 are abutted with each other and the upper end of the pressing plate 402 is abutted with the cavity front plate 202, the cavity side plate 302 and the cavity rear plate 103, through the driving mechanisms to sequentially push the front moving plate 201, the side moving plate 301 and the upper moving plate 401, so as to form a closed injection cavity in the inside. The first forming block 107 and the second forming block 204 correspond to the short rectangular grooves 502 on the front and back sides of the bridge terminal strip respectively, the two fourth forming blocks 304 correspond to the long rectangular groove 505 of the bridge terminal strip by abutting with each other, the two third forming blocks 303 correspond to the two trapezoidal grooves 501 of the bridge terminal strip respectively, the butt joint groove 206 and the first splicing block 104 correspond to the U-shaped groove 506 of the bridge terminal strip by abutting with each other, and the forming groove 404 and the fifth forming block 405 correspond to the hollow cylinder 503 and the through hole 504 of the bridge terminal strip by abutting with each other. The fifth forming block 405 is divided into long type and short type, the short type fifth forming block 405 is only used for forming the hollow cylinder 503, and the long type fifth forming block 405 abuts with the upper end of the fourth forming block 304 after the mold is closed, so as to form the through hole 504 at the corresponding position.

[0035] Further, the first splicing block 104 is spliced between the first side block 105 and the cavity rear plate 103 through the first dovetail groove 108 and the first dovetail block 109, and the second splicing block 203 is spliced between the second side block 205 and the cavity front plate 202 through the second dovetail groove 207 and the second dovetail block 208, so as to increase the number of short rectangular grooves 502 and lengthen the length of the middle part of the bridge terminal strip, and the shape of the injection cavity can be adjusted by replacing the fourth forming block 304 with corresponding length and the forming groove 404 with corresponding number of holes, so as to form bridge terminal mold cavities with different numbers of holes.

[0036] Further, when demolding, the fifth forming block 405, the third forming block 303, the fourth forming block 304 and the second forming block 204 can be sequentially separated from the injection molded part by sequentially moving away the upper mold 4, the side mold 3 and the front mold 2, thereby avoiding the demolding of the injection molded part being blocked by the forming blocks, at this time, only the short rectangular groove 502 at the rear end and the U-shaped groove 506 at the lower end of the molded bridge terminal strip are in contact with the first splicing block 104 and the first forming block 107 of the rear mold 1, and the bridge terminal strip can be directly taken out by pulling it outward, thereby facilitating demolding.

[0037] Working principle: when in use, the first splicing block 104 is spliced between the first side block 105 and the rear plate 103 of the mold cavity through the first dovetail groove 108 and the first dovetail block 109, and the second splicing block 203 is spliced between the second side block 205 and the front plate 202 of the mold cavity through the second dovetail groove 207 and the second dovetail block 208 to increase the number of short rectangular grooves 502 and lengthen the middle part of the bridge terminal strip, and the fourth forming block 304 of the corresponding length and the forming groove 404 of the corresponding hole number are replaced to adjust the shape of the injection cavity, so that the bridge terminal mold cavity with the required hole number is formed, the number of through holes 504 can be adjusted according to actual needs by using the long fifth forming block 405 and the short fifth forming block 405, after adjusting each part, the front moving plate 201, the side moving plate 301 and the upper moving plate 401 are sequentially pushed by the driving mechanism to close the mold, after the mold is closed, the injection material is injected into the mold cavity through the injection hole 106, and the bridge terminal strip is formed after the material is cooled, after the injection molding is completed, the upper mold 4, the side mold 3 and the front mold 2 are sequentially opened under the driving of the driving mechanism, so that the fifth forming block 405, the third forming block 303, the fourth forming block 304 and the second forming block 204 are sequentially separated from the injection molded part, thereby avoiding the demolding of the injection molded part being blocked by the forming blocks, at this time, only the short rectangular groove 502 at the rear end and the U-shaped groove 506 at the lower end of the molded bridge terminal strip are in contact with the first splicing block 104 and the first forming block 107 of the rear mold 1, and the bridge terminal strip can be directly taken out by pulling it outward, thereby facilitating demolding.

[0038] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A spliceable terminal block injection mold, characterized by, The back mould (1) is provided with a front mould (2) in front, side moulds (3) on the left and right sides, and an upper mould (4) at the upper end; The back mould (1) comprises a back fixed plate (101), the front end of the back fixed plate (101) is fixedly connected with a mould cavity bottom plate (102), the upper end of the mould cavity bottom plate (102) is fixedly connected with a mould cavity back plate (103), the rear end of the mould cavity back plate (103) is fixedly connected with the front end of the back fixed plate (101), the left and right sides of the mould cavity back plate (103) are provided with a plurality of first splicing blocks (104), the left and right sides of the upper end of the mould cavity back plate (103) and the side away from the mould cavity back plate (103) of the upper end of the first splicing block (104) are all throughly provided with first dovetail grooves (108) with the same size, the ends away from the mould cavity back plate (103) of the two outermost first splicing blocks (104) are all provided with first side edge blocks (105), the ends close to the mould cavity back plate (103) of the first side edge blocks (105) and the first splicing blocks (104) are all fixedly connected with first dovetail blocks (109), the left and right sides of the mould cavity back plate (103) are inserted with the two innermost first splicing blocks (104) through the first dovetail grooves (108) and the first dovetail blocks (109), the outer first splicing blocks (104) are inserted outside the inner first splicing blocks (104) through the first dovetail grooves (108) and the first dovetail blocks (109), the two first side edge blocks (105) are inserted outside the two outermost first splicing blocks (104) through the first dovetail grooves (108) and the first dovetail blocks (109), the front ends of the mould cavity back plate (103) and the first splicing blocks (104) are all fixedly connected with first forming blocks (107), the lower end of the mould cavity bottom plate (102) is throughly provided with an injection hole (106), one end of the injection hole (106) penetrates the lower end of the mould cavity back plate (103) and extends to the upper end of the mould cavity back plate (103).

2. The spliceable terminal block injection mold of claim 1, wherein: The front die (2) comprises a front moving plate (201), the rear end of the front moving plate (201) is fixedly connected with a die cavity front plate (202), the left and right sides of the die cavity front plate (202) are provided with a plurality of second splicing blocks (203), the rear ends of the die cavity front plate (202) and the second splicing blocks (203) are fixedly connected with second forming blocks (204), the sides, away from the die cavity front plate (202), of the two outermost second splicing blocks (203) are provided with second side edge blocks (205), the left and right sides of the upper end of the die cavity front plate (202) and the sides, away from the die cavity front plate (202), of the upper ends of the second splicing blocks (203) are provided with second dovetail grooves (207), the sides, close to the die cavity front plate (202), of the second side edge blocks (205) and the second splicing blocks (203) are fixedly connected with second dovetail blocks (208), the left and right sides of the two innermost second splicing blocks (203) are inserted into the left and right sides of the die cavity front plate (202) through the second dovetail grooves (207) and the second dovetail blocks (208), the outer second splicing blocks (203) are inserted into the outer sides of the inner second splicing blocks (203) through the second dovetail grooves (207) and the second dovetail blocks (208), the two second side edge blocks (205) are inserted into the outer sides of the two outermost second splicing blocks (203) through the second dovetail grooves (207) and the second dovetail blocks (208), and the lower ends of the second splicing blocks (203) between the two second side edge blocks (205) are provided with butt grooves (206).

3. The spliceable terminal block injection mold of claim 1, wherein: The side die (3) comprises a side moving plate (301), the inner side of the side moving plate (301) is fixedly connected with a die cavity side plate (302), the inner side of the die cavity side plate (302) is fixedly connected with a third forming block (303), the upper end of the third forming block (303) is provided with a third dovetail groove (305), the third dovetail groove (305) is inserted with a third dovetail block (306), and the end, away from the third forming block (303), of the third dovetail block (306) is fixedly connected with a fourth forming block (304).

4. The spliceable terminal block injection mold of claim 1, wherein: The upper die (4) comprises an upper moving plate (401), a plurality of uniformly distributed mounting holes (406) are vertically and penetratingly formed in the upper end of the upper moving plate (401), the inner sides of the mounting holes (406) are screw-connected with fastening bolts (407), the outer surfaces of the fastening bolts (407) are screw-connected with pressing plates (402), the lower ends of the pressing plates (402) are fixedly connected with a die cavity top plate (403), the lower end of the die cavity top plate (403) is provided with a forming groove (404), a threaded hole is formed in the inner side of the forming groove (404), and a fifth forming block (405) is screw-connected in the threaded hole.

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