Injection mold for hinge lock

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold for a hinge lock, which is characterized by comprising an upper core plate and a lower core plate, a first left core block and a second left core block are arranged between the left sides of the upper core plate and the lower core plate, a first right core block and a second right core block are arranged between the right sides of the upper core plate and the lower core plate, an upper core hole penetrating through the upper end and the lower end of the upper core plate is formed in the upper core plate, an upper core rod is inserted into the upper core hole, and a left core hole penetrating through the left end and the right end of the first left core block is formed in the first left core block. A right core hole penetrating through the left end and the right end of the first right core block is formed in the first right core block, and a right core rod is inserted into the right core hole. According to the utility model, the hinge lock meeting the actual installation requirement can be formed by injection molding, four parts of the hinge lock can be formed by injection molding at one time, and the hinge lock can be effectively ensured to play a more stable connection role in use.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for a hinge lock. Background Art

[0002] An injection mold is a tool used to produce plastic products and also to give them a complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and molten plastic into the mold cavity under high pressure by an injection molding machine. After cooling and solidification, a molded product is obtained. It is suitable for mass production and molding processing fields such as products with complex shapes.

[0003] The hinge lock is a connecting part required for the installation of guardrail doors. In order to ensure the stability of the guardrail door during installation, it needs to be made into a structural shape that meets the actual installation requirements. Since the hinge lock is assembled from a first hinge seat, a second hinge seat, a first hinge shaft and a second hinge shaft, how to injection mold a hinge lock that meets the actual installation requirements and how to injection mold the four components of the hinge lock at one time are the technical problems to be solved by this application. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide an injection mold for a hinge lock that can be injection molded to produce a hinge lock that meets actual installation requirements and can injection mold the four components of the hinge lock at one time, and can effectively ensure that the hinge lock plays a more stable connection role when in use.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: an injection mold for a hinge lock, comprising an upper core plate and a lower core plate, the upper core plate and the lower core plate are arranged up and down, a first left core block and a second left core block are provided between the left sides of the upper core plate and the lower core plate, and a first right core block and a second right core block are provided between the right sides thereof, an upper core hole is provided on the upper core plate passing through the upper and lower ends thereof, an upper core rod is inserted into the upper core hole, a left core hole passing through the left and right ends thereof is provided in the first left core block, a left core rod is inserted into the left core hole, a right core hole passing through the left and right ends thereof is provided in the first right core block, and a right core hole is inserted into the right core hole The right core rod and the hinge lock include a first hinge seat, a second hinge seat, a first hinge shaft and a second hinge shaft. The upper core plate, the lower core plate, the first left core block, the first right core block, the left core rod and the right core rod are combined to form a first molding cavity for molding the first hinge seat. The upper core plate, the lower core plate, the second left core block and the second right core block are combined to form a second molding cavity for molding the second hinge seat. The upper core plate, the lower core plate and the upper core rod are combined to form a third molding cavity for molding the first hinge shaft. The upper core plate and the lower core plate are combined to form a fourth molding cavity for molding the second hinge shaft.

[0006] Furthermore, a first left mounting groove adapted for use with the first left core block is provided on the left side of the lower end surface of the upper core plate, and the first left core block is embedded in the first left mounting groove, a first right mounting groove adapted for use with the first right core block is provided on the right side of the lower end surface of the upper core plate, and the first right core block is embedded in the first right mounting groove, the lower end surface of the upper core plate is provided with a first upper arc surface forming groove which is communicated with both the first left mounting groove and the first right mounting groove, the lower end surface of the upper core plate is also provided with a first upper plane forming groove which is communicated with the first upper arc surface forming groove, the upper end surface of the lower core plate is provided with a first lower plane forming groove, one end of the left core rod and the right core rod both extend into the first upper arc surface forming groove and abut against each other, and the first upper arc surface forming groove, the first upper plane forming groove, the first lower plane forming groove, the outer peripheral surface of the left core rod, the outer peripheral surface of the right core rod, the inner surface of the first left core block and the inner surface of the first right core block are surrounded to form a first forming cavity.

[0007] Furthermore, the left side of the lower end surface of the upper core plate is provided with a second left mounting groove adapted for the second left core block, the second left core block is embedded in the second left mounting groove, the right side of the lower end surface of the upper core plate is provided with a second right mounting groove adapted for the second right core block, the second right core block is embedded in the second right mounting groove, the lower end surface of the upper core plate is provided with a second upper arc surface left molding groove communicating with the second left mounting groove and a second upper arc surface right molding groove communicating with the second right mounting groove, the lower end surface of the upper core plate is also provided with a second upper plane molding groove communicating with the second upper arc surface left molding groove and the second upper arc surface right molding groove, the upper end surface of the lower core plate is provided with a second lower plane The second upper arc surface left molding groove, the second left circular protrusion located in the second upper arc surface left molding groove and abutting against the upper core plate is fixedly provided at the center of the inner surface of the second left core block, the second right circular protrusion located in the second upper arc surface right molding groove and abutting against the upper core plate is fixedly provided at the center of the inner surface of the second right core block, the second upper arc surface left molding groove, the second upper arc surface right molding groove, the second upper plane molding groove, the second lower plane molding groove, the outer peripheral surface of the second left circular protrusion, the outer peripheral surface of the second right circular protrusion, the inner surface of the second left core block and the inner surface of the second right core block together form a second molding cavity.

[0008] Furthermore, the lower end surface of the upper core plate is provided with a third upper circular molding groove communicating with the upper core hole, and the upper end surface of the lower core plate is provided with a third lower circular molding groove. The third upper circular molding groove, the third lower circular molding groove and the lower end surface of the upper core rod together form a third molding cavity.

[0009] Furthermore, a fourth upper circular molding groove is provided on the lower end surface of the upper core plate, and a fourth lower circular molding groove is provided on the upper end surface of the lower core plate. The fourth upper circular molding groove and the fourth lower circular molding groove together form a fourth molding cavity.

[0010] Furthermore, the front end face of the lower core plate is provided with a plurality of front insertion holes, and a front insertion rod is inserted into the front insertion hole for forming a first front mounting hole on the first hinge seat, and the front insertion rod is adapted to the front insertion hole. The upper end face of the lower core plate is provided with a plurality of first lower mounting protrusions for forming a first lower mounting hole on the first hinge seat, and the rear end face of the lower core plate is provided with a plurality of rear insertion holes, and a rear insertion rod is inserted into the rear insertion hole for forming a second rear mounting hole on the second hinge seat, and the rear insertion rod is adapted to the rear insertion hole. The upper end face of the lower core plate is provided with a plurality of second lower mounting protrusions for forming a second lower mounting hole on the second hinge seat.

[0011] Furthermore, the lower end surface of the lower core plate is provided with a first through hole communicating with the first molding cavity, a second through hole communicating with the second molding cavity, a third through hole communicating with the third molding cavity, and a fourth through hole communicating with the fourth molding cavity. There are multiple first through holes, second through holes, and fourth through holes. A first blocking rod is inserted into the first through hole, and the first blocking rod is adapted to the first through hole. A second blocking rod is inserted into the second through hole, and the second blocking rod is adapted to the second through hole. A third blocking rod is inserted into the third through hole, and the third blocking rod is adapted to the third through hole. A fourth blocking rod is inserted into the fourth through hole, and the fourth blocking rod is adapted to the fourth through hole.

[0012] Furthermore, a plurality of first hollow protrusions for forming a first hollow groove on the first hinge seat and a plurality of second hollow protrusions for forming a second hollow groove on the second hinge seat are fixedly provided on the upper end surface of the lower core plate.

[0013] Furthermore, an upper socket is provided on the upper end surface of the upper core plate, and an upper plug rod is inserted into the upper socket for forming an upper circular hole on the first hinge seat, and the upper plug rod is adapted to the upper socket. A circular plug block is fixedly provided on the lower end surface of the lower core plate for forming a lower circular hole on the first hinge seat, and the upper circular hole and the lower circular hole are coaxially arranged. A left socket is provided on the left end surface of the lower core plate, and a left plug rod is inserted into the left socket for forming a left circular hole on the first hinge shaft, and the left circular hole passes through both side surfaces of the first hinge shaft, and the left plug rod is adapted to the left socket.

[0014] Furthermore, a positioning mechanism is provided between the upper core plate and the lower core plate, and the positioning mechanism includes a positioning block and a positioning groove. A plurality of positioning grooves are fixedly provided on the lower end surface of the upper core plate, and a plurality of positioning blocks are fixedly provided on the upper end surface of the lower core plate. The positioning blocks are adapted to the positioning grooves, and the positioning blocks can be detachably embedded in the positioning grooves.

[0015] From the above description, it can be seen that the injection mold for a hinge lock provided by the utility model has the following beneficial effects: through the coordinated use of the upper core plate, the lower core plate, the first left core block, the second left core block, the first right core block, the second right core block, the upper core rod, the left core rod and the right core plate, a first molding cavity, a second molding cavity, a third molding cavity and a fourth molding cavity can be formed, and the first hinge seat, the second hinge seat, the first hinge axis and the second hinge axis can be injection molded at one time. By assembling the first hinge seat, the second hinge seat, the first hinge axis and the second hinge axis, a hinge lock can be formed. In this way, a hinge lock that meets actual installation requirements can be injection molded and the four components of the hinge lock can be injection molded at one time, and it can effectively ensure that the hinge lock plays a more stable connection role when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a three-dimensional structural schematic diagram of an injection mold for a hinge lock.

[0017] Figure 2 This is a schematic diagram of the exploded three-dimensional structure of an injection mold for a hinge lock according to the present invention.

[0018] Figure 3 A schematic diagram of the three-dimensional structure of the upper core plate at one angle.

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the upper core plate from another angle.

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the lower core plate from one angle.

[0021] Figure 6 This is a schematic diagram of the three-dimensional structure of the lower core plate from another angle.

[0022] Figure 7 Schematic diagram of the three-dimensional structure of the second left core block.

[0023] Figure 8 It is a schematic diagram of the three-dimensional structure of the hinge lock.

[0024] Figure 9 It is a schematic diagram of the three-dimensional structure decomposition of the hinge lock.

[0025] Figure 10 It is a schematic diagram of the three-dimensional structure of the second hinge seat.

[0026] In the figure: 1-upper core plate; 111-first left mounting groove; 112-first right mounting groove; 113-second left mounting groove; 114-second right mounting groove; 121-first upper arc surface forming groove; 122-second upper arc surface left forming groove; 123-second upper arc surface right forming groove; 131-first upper plane forming groove; 132-second upper plane forming groove; 14-third upper circular forming groove; 15-fourth upper circular forming groove; 16-upper jack; 17-upper core hole; 2-lower core plate; 211-first lower plane forming groove Groove; 212-second lower plane forming groove; 213-third lower circular forming groove; 214-fourth lower circular forming groove; 221-front plug hole; 222-rear plug hole; 231-first lower mounting protrusion; 232-second lower mounting protrusion; 241-first through hole; 242-second through hole; 243-third through hole; 244-fourth through hole; 251-first hollow protrusion; 252-second hollow protrusion; 26-circular plug; 27-left plug hole; 31-first left core block; 311-left core hole; 32-second left core Block; 321-second left circular protrusion; 33-first right core block; 331-right core hole; 34-second right core block; 341-second right circular protrusion; 41-upper core rod; 42-left core rod; 43-right core rod; 5-hinge lock; 51-first hinge seat; 511-first front mounting hole; 512-first lower mounting hole; 513-first hollow groove; 514-upper circular hole; 515-lower circular hole; 516-first upper connecting plate; 517-first lower connecting plate; 518-first hinge hole; 52-second hinge seat; 521 -Second rear mounting hole; 522-Second lower mounting hole; 523-Second hollow groove; 524-Second upper connecting plate; 525-Second lower connecting plate; 526-Second left hinge hole; 527-Second right hinge hole; 53-First hinge axis; 531-Left round hole; 54-Second hinge axis; 61-Front insertion rod; 62-Rear insertion rod; 71-First blocking rod; 72-Second blocking rod; 73-Third blocking rod; 74-Fourth blocking rod; 81-Upper insertion rod; 82-Left insertion rod; 9-Positioning mechanism; 91-Positioning block; 92-Positioning slot. DETAILED DESCRIPTION

[0027] The present invention is further described below through specific implementation methods.

[0028] like Figures 1 to 10As shown, the utility model describes an injection mold for a hinge lock, comprising an upper core plate 1 and a lower core plate 2, wherein the upper core plate 1 and the lower core plate 2 are arranged up and down, and a first left core block 31 and a second left core block 32 are provided between the left sides of the upper core plate 1 and the lower core plate 2, and a first right core block 33 and a second right core block 34 are provided between the right sides thereof, the upper core plate 1 is provided with an upper core hole 17 passing through the upper and lower ends thereof, an upper core rod 41 is inserted into the upper core hole 17, a left core hole 311 passing through the left and right ends thereof is provided in the first left core block 31, a left core rod 42 is inserted into the left core hole 311, a right core hole 331 passing through the left and right ends thereof is provided in the first right core block 33, a right core rod 43 is inserted into the right core hole 331, and the hinge lock 5 comprises a first hinge The hinge seat 51, the second hinge seat 52, the first hinge shaft 53 and the second hinge shaft 54, the upper core plate 1, the lower core plate 2, the first left core block 31, the first right core block 33, the left core rod 42 and the right core rod 43 together form a first molding cavity for molding the first hinge seat 51, the upper core plate 1, the lower core plate 2, the second left core block 32 and the second right core block 34 together form a second molding cavity for molding the second hinge seat 52, the upper core plate 1, the lower core plate 2 and the upper core rod 41 together form a third molding cavity for molding the first hinge shaft 53, and the upper core plate 1 and the lower core plate 2 together form a fourth molding cavity for molding the second hinge shaft 54.

[0029] Preferably, the first molding cavity and the second molding cavity are arranged in parallel and spaced apart, the third molding cavity and the fourth molding cavity are arranged in parallel and spaced apart, and the third molding cavity and the fourth molding cavity are both located between the first molding cavity and the second molding cavity, and the layout is reasonable.

[0030] By cooperating with the upper core plate 1, the lower core plate 2, the first left core block 31, the second left core block, the first right core block 33, the second right core block 34, the upper core rod 41, the left core rod 42 and the right core plate, the first molding cavity, the second molding cavity, the third molding cavity and the fourth molding cavity can be enclosed and formed, and the first hinge seat 51, the second hinge seat 52, the first hinge shaft 53 and the second hinge shaft 54 can be injection molded at one time. By assembling the first hinge seat 51, the second hinge seat 52, the first hinge shaft 53 and the second hinge shaft 54, the hinge lock 5 can be formed. In this way, the hinge lock 5 that meets the actual installation requirements can be injection molded and the four components of the hinge lock 5 can be injection molded at one time, and it can effectively ensure that the hinge lock 5 plays a more stable connection role when in use.

[0031] Correspondingly, a first left mounting groove 111 is provided on the left side of the lower end surface of the upper core plate 1 to match the first left core block 31, and the first left core block 31 is embedded in the first left mounting groove 111. A first right mounting groove 112 is provided on the right side of the lower end surface of the upper core plate 1 to match the first right core block 33, and the first right core block 33 is embedded in the first right mounting groove 112. A first upper arc-shaped forming groove 121 is provided on the lower end surface of the upper core plate 1, which is in communication with the first left mounting groove 111 and the first right mounting groove 112. A first upper plane forming groove 131 is also provided on the lower end surface of the upper core plate 1 to communicate with the first upper arc-shaped forming groove 121. The first upper plane forming groove 131 is used to form a first upper connecting plate 516 on the first hinge seat 51 The upper end surface of the lower core plate 2 is provided with a first lower plane molding groove 211, and the first lower plane molding groove 211 is used to form a first lower connecting flat plate 517 on the first hinge seat 51, and one end of the left core rod 42 and the right core rod 43 both extend into the first upper arc molding groove 121 and abut against each other, and the left core rod 42 and the right core rod 43 are used to form a first hinge hole 518 on the first hinge seat 51, and the first upper arc molding groove 121, the first upper plane molding groove 131, the first lower plane molding groove 211, the outer peripheral surface of the left core rod 42, the outer peripheral surface of the right core rod 43, the inner surface of the first left core block 31 and the inner surface of the first right core block 33 together form the first molding cavity.

[0032] Correspondingly, the left side of the lower end surface of the upper core plate 1 is provided with a second left mounting groove 113 adapted to the second left core block 32, and the second left core block 32 is embedded in the second left mounting groove 113. The right side of the lower end surface of the upper core plate 1 is provided with a second right mounting groove 114 adapted to the second right core block 34, and the second right core block 34 is embedded in the second right mounting groove 114. The lower end surface of the upper core plate 1 is provided with a second upper arc surface left molding groove 122 communicating with the second left mounting groove 113 and a second upper arc surface left molding groove 122 communicating with the second right The second upper arc surface right molding groove 123 communicates with the mounting groove 114, and the lower end surface of the upper core plate 1 is also provided with a second upper plane molding groove 132 communicated with the second upper arc surface left molding groove 122 and the second upper arc surface right molding groove 123. The second upper plane molding groove 132 is used to form a second upper connecting plate 524 on the second hinge seat 52. The upper end surface of the lower core plate 2 is provided with a second lower plane molding groove 212, and the second lower plane molding groove 212 is used to form a second upper connecting plate 524 on the second hinge seat 52. The second lower connecting plate 525, the center of the inner surface of the second left core block 32 is fixedly provided with a second left circular protrusion 321 located in the second upper arc surface left molding groove 122 and abutting against the upper core plate 1, the second left circular protrusion 321 is used to form a second left hinge hole 526 on the second hinge seat 52, the center of the inner surface of the second right core block 34 is fixedly provided with a second right circular protrusion 341 located in the second upper arc surface right molding groove 123 and abutting against the upper core plate 1, the second right circular protrusion 341 is used to form a second right hinge hole 527 on the second hinge seat 52, the second upper arc surface left molding groove 122, the second upper arc surface right molding groove 123, the second upper plane molding groove 132, the second lower plane molding groove 212, the outer peripheral surface of the second left circular protrusion 321, the outer peripheral surface of the second right circular protrusion 341, the inner surface of the second left core block 32 and the inner surface of the second right core block 34 together form the second molding cavity.

[0033] Correspondingly, the lower end surface of the upper core plate 1 is provided with a third upper circular molding groove 14 which is connected to the upper core hole 17, and the upper end surface of the lower core plate 2 is provided with a third lower circular molding groove 213. The third upper circular molding groove 14, the third lower circular molding groove 213 and the lower end surface of the upper core rod 41 together form the third molding cavity.

[0034] Correspondingly, the lower end surface of the upper core plate 1 is provided with a fourth upper circular molding groove 15, and the upper end surface of the lower core plate 2 is provided with a fourth lower circular molding groove 214. The fourth upper circular molding groove 15 and the fourth lower circular molding groove 214 together form the fourth molding cavity.

[0035] The front end surface of the lower core plate 2 is provided with a plurality of front insertion holes 221, and a front insertion rod 61 is inserted into the front insertion hole 221 to form a first front mounting hole 511 on the first hinge seat 51, and the front insertion rod 61 is adapted to the front insertion hole 221. The upper end surface of the lower core plate 2 is provided with a plurality of first lower mounting protrusions 231 to form a first lower mounting hole 512 on the first hinge seat 51. Through the arrangement of the first front mounting holes 511 and the first lower mounting holes 512, it is convenient to use corresponding locking screws to fasten the first hinge seat 51. The rear end face of the lower core plate 2 is provided with a plurality of rear insertion holes 222, and a rear insertion rod 62 is inserted into the rear insertion hole 222 for forming a second rear mounting hole 521 on the second hinge seat 52. The rear insertion rod 62 is adapted to the rear insertion hole 222, and the upper end face of the lower core plate 2 is provided with a plurality of second lower mounting protrusions 232 for forming a second lower mounting hole 522 on the second hinge seat 52. Through the setting of the second rear mounting hole 521 and the second lower mounting hole 522, it is convenient to use the corresponding locking screws to fasten the second hinge seat 52.

[0036] The lower end surface of the lower core plate 2 is provided with a first through hole 241 communicating with the first molding cavity, a second through hole 242 communicating with the second molding cavity, a third through hole 243 communicating with the third molding cavity and a fourth through hole 244 communicating with the fourth molding cavity. The first through hole 241, the second through hole 242 and the fourth through hole 244 are all multiple. A first blocking rod 71 is inserted into the first through hole 241, and the first blocking rod 71 is adapted to the first through hole 241. The first blocking rod 71 is used to block the first through hole 241 to ensure the sealing of the first molding cavity. A second blocking rod 72 is inserted into the second through hole 242, and the second blocking rod 72 is adapted to the second through hole 242. The second blocking rod 72 is used to block the second through hole 242 to ensure the sealing of the second molding cavity. A first blocking rod 71 is inserted into the third through hole 243. The third blocking rod 73 is adapted to the third through hole 243, and the third blocking rod 73 is used to block the third through hole 243 to ensure the sealing of the third molding cavity. A fourth blocking rod 74 is inserted into the fourth through hole 244, and the fourth blocking rod 74 is adapted to the fourth through hole 244, and the fourth blocking rod 74 is used to block the fourth through hole 244 to ensure the sealing of the fourth molding cavity. After the injection molding is completed, the first blocking rod 71 can be separated from the first through hole 241, the second blocking rod 72 can be separated from the second through hole 242, the third blocking rod 73 can be separated from the third through hole 243, and the fourth blocking rod 74 can be separated from the fourth through hole 244, thereby making the first through hole 241, the second through hole 242, the third through hole 243 and the fourth through hole 244 all in an open state to facilitate heat dissipation.

[0037] The upper end surface of the lower core plate 2 is fixedly provided with a plurality of first hollow protrusions 251 for forming a first hollow groove 513 on the first hinge seat 51, and is fixedly provided with a plurality of second hollow protrusions 252 for forming a second hollow groove 523 on the second hinge seat 52. Preferably, the number of the first hollow protrusions 251 and the second hollow protrusions 252 are both two, which is beneficial to saving the overall injection molding material and also can reduce the overall weight of the first hinge seat 51 and the second hinge seat 52.

[0038] In addition, an upper plug hole 16 is provided on the upper end surface of the upper core plate 1, and an upper plug rod 81 is inserted into the upper plug hole 16 for forming an upper circular hole 514 on the first hinge seat 51, and the upper plug rod 81 is adapted to the upper plug hole 16. A circular plug block 26 is fixedly provided on the lower end surface of the lower core plate 2 for forming a lower circular hole 515 on the first hinge seat 51, and the upper circular hole 514 is coaxially arranged with the lower circular hole 515. A left plug hole 27 is provided on the left end surface of the lower core plate 2, and a left plug rod 82 is inserted into the left plug hole 27 for forming a left circular hole 531 on the first hinge shaft 53. The left circular hole 531 passes through the two side surfaces of the first hinge shaft 53, and the left plug rod 82 is adapted to the left plug hole 27.

[0039] In addition, a positioning mechanism 9 is provided between the upper core plate 1 and the lower core plate 2. The positioning mechanism 9 includes a positioning block 91 and a positioning groove 92. A plurality of positioning grooves 92 are fixedly provided on the lower end surface of the upper core plate 1, and a plurality of positioning blocks 91 are fixedly provided on the upper end surface of the lower core plate 2. The positioning blocks 91 are adapted to the positioning grooves 92, and the positioning blocks 91 are detachably embedded in the positioning grooves 92. The positioning grooves 92 are provided at the four corners of the upper core plate 1, and the positioning blocks 91 are provided at the four corners of the lower core plate 2, so as to effectively ensure the stability of the assembly between the upper core plate 1 and the lower core plate 2.

[0040] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made and that such a development effort may be complex and time-consuming, but would be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0041] The above are only some specific implementation methods of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. An injection mold for a hinge lock, characterized by: The hinge lock comprises a first hinge seat, a second hinge seat and a second hinge part, and a first hinge seat, a second hinge part and a second hinge part. and the second hinge shaft, the upper core plate, the lower core plate, the first left core block, the first right core block, the left core rod and the right core rod together form a first molding cavity for molding the first hinge seat, the upper core plate, the lower core plate, the second left core block and the second right core block together form a second molding cavity for molding the second hinge seat, the upper core plate, the lower core plate and the upper core rod together form a third molding cavity for molding the first hinge shaft, and the upper core plate and the lower core plate together form a fourth molding cavity for molding the second hinge shaft.

2. The injection mold for a hinge lock according to claim 1, characterized in that: The left side of the lower end surface of the upper core plate is provided with a first left mounting groove adapted for the first left core block, and the right side of the lower end surface of the upper core plate is provided with a first right mounting groove adapted for the first core block, and the right side of the lower end surface of the upper core plate is provided with a first upper arc surface forming groove which is communicated with both the first left mounting groove and the first right mounting groove, and the lower end surface of the upper core plate is also provided with a first upper plane forming groove which is communicated with the first upper arc surface forming groove, and the upper end surface of the lower core plate is provided with a first lower plane forming groove, one end of the left core rod and the right core rod both extend into the first upper arc surface forming groove and abut against each other, and the first upper arc surface forming groove, the first upper plane forming groove, the first lower plane forming groove, the outer peripheral surface of the left core rod, the outer peripheral surface of the right core rod, the inner side surface of the first left core block and the inner side surface of the first right core block together form the first forming mold cavity.

3. The injection mold for a hinge lock according to claim 1, characterized in that: The left side of the lower end surface of the upper core plate is provided with a second left mounting groove adapted to the second left core block, and the second left core block is embedded in the second left mounting groove, the right side of the lower end surface of the upper core plate is provided with a second right mounting groove adapted to the second right core block, and the second right core block is embedded in the second right mounting groove, the lower end surface of the upper core plate is provided with a second upper arc surface left molding groove communicating with the second left mounting groove and a second upper arc surface right molding groove communicating with the second right mounting groove, the lower end surface of the upper core plate is also provided with a second upper plane molding groove communicating with both the second upper arc surface left molding groove and the second upper arc surface right molding groove, and the upper end surface of the lower core plate is provided with a second lower plane molding groove The center of the inner surface of the second left core block is fixedly provided with a second left circular protrusion located in the left molding groove of the second upper arc surface and abutting against the upper core plate, and the center of the inner surface of the second right core block is fixedly provided with a second right circular protrusion located in the right molding groove of the second upper arc surface and abutting against the upper core plate. The second upper arc surface left molding groove, the second upper arc surface right molding groove, the second upper plane molding groove, the second lower plane molding groove, the outer peripheral surface of the second left circular protrusion, the outer peripheral surface of the second right circular protrusion, the inner surface of the second left core block and the inner surface of the second right core block together form the second molding cavity.

4. The injection mold for a hinge lock according to claim 1, characterized in that: The lower end surface of the upper core plate is provided with a third upper circular molding groove which is in communication with the upper core hole, and the upper end surface of the lower core plate is provided with a third lower circular molding groove. The third upper circular molding groove, the third lower circular molding groove and the lower end surface of the upper core rod together form the third molding cavity.

5. The injection mold for a hinge lock according to claim 1, characterized in that: The lower end surface of the upper core plate is provided with a fourth upper circular molding groove, the upper end surface of the lower core plate is provided with a fourth lower circular molding groove, and the fourth upper circular molding groove and the fourth lower circular molding groove together form the fourth molding cavity.

6. The injection mold for a hinge lock according to claim 1, characterized in that: The front end face of the lower core plate is provided with a plurality of front insertion holes, and a front insertion rod is inserted into the front insertion hole for forming a first front mounting hole on the first hinge seat, and the front insertion rod is adapted to the front insertion hole. The upper end face of the lower core plate is provided with a plurality of first lower mounting protrusions for forming a first lower mounting hole on the first hinge seat, and the rear end face of the lower core plate is provided with a plurality of rear insertion holes, and a rear insertion rod is inserted into the rear insertion hole for forming a second rear mounting hole on the second hinge seat, and the rear insertion rod is adapted to the rear insertion hole, and the upper end face of the lower core plate is provided with a plurality of second lower mounting protrusions for forming a second lower mounting hole on the second hinge seat.

7. The injection mold for a hinge lock according to claim 1, characterized in that: The lower end surface of the lower core plate is provided with a first through hole communicating with the first molding cavity, a second through hole communicating with the second molding cavity, a third through hole communicating with the third molding cavity and a fourth through hole communicating with the fourth molding cavity. The first through hole, the second through hole and the fourth through hole are multiple. A first blocking rod is inserted into the first through hole, and the first blocking rod is adapted to the first through hole. A second blocking rod is inserted into the second through hole, and the second blocking rod is adapted to the second through hole. A third blocking rod is inserted into the third through hole, and the third blocking rod is adapted to the third through hole. A fourth blocking rod is inserted into the fourth through hole, and the fourth blocking rod is adapted to the fourth through hole.

8. The injection mold for a hinge lock according to claim 1, characterized in that: The upper end surface of the lower core plate is fixedly provided with a plurality of first hollow protrusions for forming a first hollow groove on the first hinge seat, and is fixedly provided with a plurality of second hollow protrusions for forming a second hollow groove on the second hinge seat.

9. The injection mold for a hinge lock according to claim 1, characterized in that: An upper plug hole is provided on the upper end surface of the upper core plate, and an upper plug rod is inserted into the upper plug hole for forming an upper circular hole on the first hinge seat, and the upper plug rod is adapted to the upper plug hole. A circular plug block is fixedly provided on the lower end surface of the lower core plate for forming a lower circular hole on the first hinge seat, and the upper circular hole is coaxially arranged with the lower circular hole. A left plug hole is provided on the left end surface of the lower core plate, and a left plug rod is inserted into the left plug hole for forming a left circular hole on the first hinge shaft. The left circular hole passes through both side surfaces of the first hinge shaft, and the left plug rod is adapted to the left plug hole.

10. The injection mold for a hinge lock according to claim 1, characterized in that: A positioning mechanism is provided between the upper core plate and the lower core plate, and the positioning mechanism includes a positioning block and a positioning groove. A plurality of positioning grooves are fixedly provided on the lower end surface of the upper core plate, and a plurality of positioning blocks are fixedly provided on the upper end surface of the lower core plate. The positioning blocks are adapted to the positioning grooves, and the positioning blocks are detachably embedded in the positioning grooves.

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