Injection mold for inclined hole device

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold for an inclined hole device, which is characterized by comprising an upper core plate, a lower core plate, a first upper core block and a second upper core block, a rectangular groove is arranged on the lower end face of the upper core plate, and a first upper core hole and a second upper core hole which are communicated with the rectangular groove are arranged on the upper end face of the upper core plate. The first upper core block is matched with the first upper core hole and inserted into the first upper core hole, and the second upper core block is matched with the second upper core hole and inserted into the second upper core hole. The upper core plate and the lower core plate are arranged up and down, and the rectangular groove, the lower end face of the first upper core block, the lower end face of the second upper core block and the upper end face of the lower core plate define a forming die cavity used for forming the inclined hole device. The inclined hole device which is provided with the first inclined surface, the second inclined surface, the vertical hole, the first inclined hole and the second inclined hole can be conveniently formed in an injection molding manner, so that the inclined hole device meets the actual use requirements and can be suitable for punching from different angles and directions.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, specifically to a kind of injection mold for bevel hole device. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also the tool for giving plastic products complete structure and accurate size, injection molding is a kind of processing method used when batch producing some complex-shaped parts, specifically refers to the heated molten plastic is injected into mold cavity by injection molding machine high pressure, after cooling solidification, get shaped product, it is applicable to the forming processing field of mass production and complex shape product etc.

[0003] Bevel hole device is a kind of punching tool used when installing handrail for stairs, through bevel hole device, it can directly punch and play the role of correction, and it can adapt to punching from different angles and directions, and it will not be skewed, so as to ensure the accuracy of punching, it needs to be made into structure shape that meets actual installation demand, therefore, how to injection molding bevel hole device that meets actual use demand is the technical problem to be solved in the present application. CONTENT OF UTILITY MODEL

[0004] The utility model solves the technical problem to provide a kind of bevel hole device for injection molding with first inclined plane, second inclined plane, vertical hole, first inclined hole and second inclined hole, so that it meets actual use demand, and it can adapt to punching from different angles and directions, and it is a kind of injection mold for bevel hole device.

[0005] To solve the above technical problems, the utility model adopts the technical scheme as follows: A kind of injection mould for inclined hole device, including upper core plate, lower core plate, first upper core block and second upper core block, rectangular recess is equipped on upper core plate lower end surface, first upper core hole and second upper core hole that communicate with rectangular recess are equipped on upper core plate upper end surface, first upper core block is adapted with first upper core hole and is inserted in first upper core hole, second upper core block is adapted with second upper core hole and is inserted in second upper core hole, upper core plate and lower core plate are arranged upside down and make rectangular recess and first upper core block lower end surface, second upper core block lower end surface, lower core plate upper end surface between enclosure form with the forming die cavity for forming inclined hole device, the lower end surface of first upper core block and second upper core block is inclined and makes the upper end surface of inclined hole device left and right sides form first inclined surface and second inclined surface respectively, at least one jack plug hole that communicates with rectangular recess is equipped on upper core plate upper end surface, at least one adapted vertical insertion rod is inserted in jack plug hole, vertical insertion rod is used to make at least one vertical hole formed on inclined hole device and penetrating its upper and lower ends, at least one first inclined insertion rod is equipped on the lower end surface of first upper core block, first inclined insertion rod is used to make at least one first inclined hole formed on inclined hole device and penetrating its upper and lower ends, at least one second inclined insertion rod is equipped on the lower end surface of second upper core block, second inclined insertion rod is used to make at least one second inclined hole formed on inclined hole device and penetrating its upper and lower ends.

[0006] Further, the number of vertical insertion rod, first inclined insertion rod and second inclined insertion rod is multiple, and they are uniformly spaced along the width direction of the rectangular recess, and the outer diameters of the multiple vertical insertion rods, the multiple first inclined insertion rods and the multiple second inclined insertion rods gradually increase along the width direction of the rectangular recess.

[0007] Further, the lower end surface of the first inclined insertion rod and the second inclined insertion rod is an inclined plane and is used to abut the upper end surface of the lower core plate.

[0008] Further, the inclination angles of the lower end surfaces of the first upper core block and the second upper core block are inconsistent.

[0009] Further, the inclination angle of the lower end surface of the first upper core block is 20-40 degrees, and the inclination angle of the lower end surface of the second upper core block is 40-60 degrees.

[0010] Further, the first upper core block lower end face is provided with a first installation hole matched with the first inclined insertion rod, the upper end of the first inclined insertion rod is inserted into the first installation hole, the top outer surface of the first inclined insertion rod is provided with a first limiting through hole, the bottom outer surface of the first upper core block is provided with a first fixed through hole communicated with the first installation hole, a first limiting rod matched with the first fixed through hole and the first limiting through hole is fixedly inserted, the second upper core block lower end face is provided with a second installation hole matched with the second inclined insertion rod, the upper end of the second inclined insertion rod is inserted into the second installation hole, the top outer surface of the second inclined insertion rod is provided with a second limiting through hole, the bottom outer surface of the second upper core block is provided with a second fixed through hole communicated with the second installation hole, and a second limiting rod matched with the second fixed through hole and the second limiting through hole is fixedly inserted.

[0011] Further, the lower core plate upper end face is fixedly provided with a plurality of hollow convex blocks on the left and right sides and is used for forming a plurality of hollow grooves on the lower pad surface of the inclined hole device.

[0012] Further, the plurality of hollow convex blocks on the left and right sides of the lower core plate upper end face are arranged in a linear shape.

[0013] Further, the upper core plate and the lower core plate are provided with a positioning mechanism, the positioning mechanism comprises a plurality of positioning shafts and a plurality of positioning sleeves, the upper core plate is provided with a plurality of upper stepped holes penetrating through the upper and lower ends and matched with the positioning shafts, the positioning insertion is installed in the upper stepped hole, the lower core plate is provided with a plurality of lower stepped holes penetrating through the upper and lower ends and matched with the positioning sleeves, the positioning sleeve is installed in the lower stepped hole, the positioning sleeve is provided with a positioning hole matched with the bottom of the positioning shaft, and the bottom of the positioning shaft is inserted into the positioning hole.

[0014] Further, the number of the positioning shafts and the positioning sleeves is four, the four corners of the upper core plate are provided with the upper stepped holes, and the four corners of the lower core plate are provided with the lower stepped holes.

[0015] From the above description, the injection mold for the inclined hole device has the following beneficial effects: the upper core plate, the lower core plate, the first upper core block, the second upper core block, the vertical insertion rod, the first inclined insertion rod and the second inclined insertion rod are used in cooperation and form a forming mold cavity, so that the inclined hole device with the first inclined surface, the second inclined surface, the vertical hole, the first inclined hole and the second inclined hole can be injection molded, the inclined hole device meeting the actual use requirements can be injection molded, the vertical hole, the first inclined hole and the second inclined hole are arranged, the accuracy of punching can be ensured when the railing is installed, and punching can be adapted from different angles and directions. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure exploded schematic view of the injection mold for the inclined hole device.

[0017] Figure 2The utility model relates to an internal structure schematic diagram of injection mold for inclined hole device.

[0018] Figure 3 It is the three-dimensional structure schematic diagram of upper core plate.

[0019] Figure 4 It is the three-dimensional structure exploded schematic diagram between first upper core block and first inclined insertion rod and between second upper core block and second inclined insertion rod.

[0020] Figure 5 It is the three-dimensional structure schematic diagram of one angle of inclined hole device.

[0021] Figure 6 It is the three-dimensional structure schematic diagram of another angle of inclined hole device.

[0022] In the drawing: 1 - upper core plate;11 - rectangular recess;12 - first upper core hole;13 - second upper core hole;14 - insertion hole;15 - upper step hole;2 - lower core plate;21 - hollow boss;22 - lower step hole;31 - first upper core block;311 - first mounting hole;312 - first fixed through hole;32 - second upper core block;321 - second mounting hole;322 - second fixed through hole;4 - forming mold cavity;5 - inclined hole device;51 - first inclined surface;52 - second inclined surface;53 - vertical hole;54 - first inclined hole;55 - second inclined hole;56 - hollow groove;6 - vertical insertion rod;71 - first inclined insertion rod;711 - first limiting through hole;72 - second inclined insertion rod;721 - second limiting through hole;81 - first limiting rod;82 - second limiting rod;9 - positioning mechanism;91 - positioning shaft;92 - positioning sleeve;921 - positioning hole. DETAILED DESCRIPTION

[0023] The utility model will be further described below through specific embodiment.

[0024] As Figures 1 to 6The utility model provides a injection mold for inclined hole ware 5, including upper core plate 1, lower core plate 2, first upper core block 31 and second upper core block 32, the upper core plate 1 lower end surface is equipped with rectangular recess 11, the upper core plate 1 upper end surface is equipped with with rectangular recess 11 intercommunication's first upper core hole 12 and second upper core hole 13, first upper core block 31 with first upper core hole 12 is adapted and inserts in first upper core hole 12, second upper core block 32 with second upper core hole 13 is adapted and inserts in second upper core hole 13, the upper core plate 1 with lower core plate 2 is set up upside down and makes rectangular recess 11 with first upper core block 31 lower end surface, second upper core block 32 lower end surface, lower core plate 2 upper end surface between the enclosure is formed with for forming inclined hole ware 5 forming mould cavity 4, the lower end surface of first upper core block 31 and second upper core block 32 is all inclined and makes the upper end surface of inclined hole ware 5 left and right sides form first inclined surface 51 and second inclined surface 52, the upper end surface of upper core plate 1 is equipped with at least one with rectangular recess 11 intercommunication's jack 14, the vertical plug rod 6 of adaptation is inserted in jack 14, the vertical plug rod 6 is used to make the inclined hole ware 5 on the upper end of at least one vertical hole 53 through its upper and lower ends, the lower end surface of first upper core block 31 is equipped with at least one first inclined plug rod 71, the first inclined plug rod 71 is used to make the inclined hole ware 5 on the upper end of at least one first inclined hole 54 through its upper and lower ends, the lower end surface of second upper core block 32 is equipped with at least one second inclined plug rod 72, the second inclined plug rod 72 is used to make the inclined hole ware 5 on the upper end of at least one second inclined hole 55 through its upper and lower ends.

[0025] By the cooperation of the upper core plate 1, the lower core plate 2, the first upper core block 31, the second upper core block 32, the vertical plug rod 6, the first inclined plug rod 71 and the second inclined plug rod 72, and the formation of the forming mould cavity 4, the injection molding of the inclined hole ware 5 with the first inclined surface 51, the second inclined surface 52, the vertical hole 53, the first inclined hole 54 and the second inclined hole 55 is facilitated, and the inclined hole ware 5 that meets the actual use requirements can be injection molded. Through the arrangement of the vertical hole 53, the first inclined hole 54 and the second inclined hole 55, the accuracy of punching can be ensured when installing the railing, and punching from different angles and directions can be adapted.

[0026] In addition, an injection channel that communicates with the forming mould cavity 4 can be arranged in the lower core plate 2.

[0027] Correspondingly, the vertical insertion rods 6, the first inclined insertion rods 71 and the second inclined insertion rods 72 are multiple in number and are uniformly spaced along the width direction of the rectangular groove 11, and the outer diameters of the multiple vertical insertion rods 6, the multiple first inclined insertion rods 71 and the multiple second inclined insertion rods 72 gradually increase along the width direction of the rectangular groove 11, so that the inclined hole device 5 is formed with multiple vertical holes 53, multiple first inclined holes 54 and multiple second inclined holes 55 with different hole diameters, so as to better adapt to different punching sizes and better facilitate the installation of the railing.

[0028] In addition, the lower end faces of the first inclined insertion rods 71 and the second inclined insertion rods 72 are inclined planes and are used to abut and fit the upper end face of the lower core plate 2.

[0029] Correspondingly, the inclination angles of the lower end faces of the first upper core block 31 and the second upper core block 32 are inconsistent, the inclination angle of the lower end face of the first upper core block 31 is 20-40 degrees, that is, the inclination angle of the first inclined surface 51 on the inclined hole device 5 is 20-40 degrees, and the inclination angle of the lower end face of the second upper core block 32 is 40-60 degrees, that is, the inclination angle of the second inclined surface 52 on the inclined hole device 5 is 40-60 degrees. In addition, the upper end face between the first inclined surface 51 and the second inclined surface 52 on the inclined hole device 5 is a horizontal plane with an angle of 0 degrees. In this way, by using the vertical holes 53, the first inclined holes 54 and the second inclined holes 55 with different angles, punching can be realized from different angles and directions.

[0030] Furthermore, the lower end surface of the first upper core block 31 is provided with a first mounting hole 311 matched with the first inclined insertion rod 71, the upper end of the first inclined insertion rod 71 is inserted into the first mounting hole 311, the top outer surface of the first inclined insertion rod 71 is provided with a first limiting through hole 711, the bottom outer surface of the first upper core block 31 is provided with a first fixing through hole 312 communicated with the first mounting hole 311, the first fixing through hole 312 and the first limiting through hole 711 are fixedly inserted with a first limiting rod 81 matched therebetween, thereby facilitating the stable installation between the first inclined insertion rod 71 and the first upper core block 31, the lower end surface of the second upper core block 32 is provided with a second mounting hole 321 matched with the second inclined insertion rod 72, the upper end of the second inclined insertion rod 72 is inserted into the second mounting hole 321, the top outer surface of the second inclined insertion rod 72 is provided with a second limiting through hole 721, the bottom outer surface of the second upper core block 32 is provided with a second fixing through hole 322 communicated with the second mounting hole 321, the second fixing through hole 322 and the second limiting through hole 721 are fixedly inserted with a second limiting rod 82 matched therebetween, thereby facilitating the stable installation between the second inclined insertion rod 72 and the second upper core block 32.

[0031] Furthermore, the lower end surface of the first upper core block 31 is provided with a first mounting hole 311 matched with the first inclined insertion rod 71, the upper end of the first inclined insertion rod 71 is inserted into the first mounting hole 311, the top outer surface of the first inclined insertion rod 71 is provided with a first limiting through hole 711, the bottom outer surface of the first upper core block 31 is provided with a first fixing through hole 312 communicated with the first mounting hole 311, the first fixing through hole 312 and the first limiting through hole 711 are fixedly inserted with a first limiting rod 81 matched therebetween, thereby facilitating the stable installation between the first inclined insertion rod 71 and the first upper core block 31, the lower end surface of the second upper core block 32 is provided with a second mounting hole 321 matched with the second inclined insertion rod 72, the upper end of the second inclined insertion rod 72 is inserted into the second mounting hole 321, the top outer surface of the second inclined insertion rod 72 is provided with a second limiting through hole 721, the bottom outer surface of the second upper core block 32 is provided with a second fixing through hole 322 communicated with the second mounting hole 321, the second fixing through hole 322 and the second limiting through hole 721 are fixedly inserted with a second limiting rod 82 matched therebetween, thereby facilitating the stable installation between the second inclined insertion rod 72 and the second upper core block 32.

[0032] Furthermore, the upper core plate 1 and the lower core plate 2 are provided with a positioning mechanism 9, the positioning mechanism 9 comprises a plurality of positioning shafts 91 and a plurality of positioning sleeves 92, the upper core plate 1 is provided with a plurality of upper stepped holes 15 penetrating the upper and lower ends thereof and matched with the positioning shafts 91, the positioning shafts 91 are inserted into the upper stepped holes 15, the lower core plate 2 is provided with a plurality of lower stepped holes 22 penetrating the upper and lower ends thereof and matched with the positioning sleeves 92, the positioning sleeves 92 are inserted into the lower stepped holes 22, the positioning sleeves 92 are provided with positioning holes 921 matched with the bottoms of the positioning shafts 91, the bottoms of the positioning shafts 91 are inserted into the positioning holes 921, preferably, the number of the positioning shafts 91 and the positioning sleeves 92 is four, the upper core plate 1 is provided with the upper stepped holes 15 at the four corners thereof, the lower core plate 2 is provided with the lower stepped holes 22 at the four corners thereof, thereby effectively ensuring the stability of the assembly between the upper core plate 1 and the lower core plate 2.

[0033] It is to be understood that the development making of the numerous implementation decisions during the development of any actual implementation, as in any engineering or design project, is a complex and involved process that requires specific decision making to achieve desirable results, and that such development efforts might be time consuming but that would nevertheless be a routine recourse for those of ordinary skill in the art having the benefit of this disclosure.

[0034] The above are only some specific embodiments of the present application, but the design concept of the present application is not limited thereto, and any non-substantial change to the present application by utilizing the concept should belong to the act of infringing the protection scope of the present application.

Claims

1. An injection mold for a beveler, characterized by: The application relates to a core plate for forming a slanting hole device, which comprises an upper core plate, a lower core plate, a first upper core block and a second upper core block.

2. An injection mold for a beveler as defined in claim 1, characterized in that: The lower end surface of the first upper core block is provided with at least one first inclined insertion rod, which is used for forming at least one first inclined hole penetrating through the upper and lower ends of the slanting hole device; the lower end surface of the second upper core block is provided with at least one second inclined insertion rod, which is used for forming at least one second inclined hole penetrating through the upper and lower ends of the slanting hole device.

3. An injection mold for a beveler as defined in claim 1, wherein: The number of the vertical insertion rods, the first inclined insertion rods and the second inclined insertion rods is multiple, and the vertical insertion rods, the first inclined insertion rods and the second inclined insertion rods are uniformly and interval arranged along the width direction of the rectangular recess.

4. An injection mold for a beveler as defined in claim 1, wherein: The lower end surface of the first inclined insertion rod and the second inclined insertion rod is an inclined plane and is used for abutting and fitting with the upper end surface of the lower core plate.

5. An injection mold for a beveler as defined in claim 4, wherein: The inclination angle of the lower end surface of the first upper core block is 20-40 degrees, and the inclination angle of the lower end surface of the second upper core block is 40-60 degrees.

6. An injection mold for a beveler as defined in claim 1, wherein: The lower end surface of the first upper core block is provided with a first installation hole matched with the first inclined insertion rod, the upper end of the first inclined insertion rod is inserted into the first installation hole, the top outer surface of the first inclined insertion rod is provided with a first limiting through hole, the bottom outer surface of the first upper core block is provided with a first fixing through hole communicated with the first installation hole, a first limiting rod matched with the first limiting through hole and the first fixing through hole is fixedly inserted into the first limiting through hole and the first fixing through hole, the lower end surface of the second upper core block is provided with a second installation hole matched with the second inclined insertion rod, the upper end of the second inclined insertion rod is inserted into the second installation hole, the top outer surface of the second inclined insertion rod is provided with a second limiting through hole, the bottom outer surface of the second upper core block is provided with a second fixing through hole communicated with the second installation hole, and a second limiting rod matched with the second limiting through hole and the second fixing through hole is fixedly inserted into the second limiting through hole and the second fixing through hole.

7. An injection mold for a beveler as defined in claim 1, wherein: The lower core plate upper end face left and right sides are fixed with a plurality of hollow convex blocks and are used for forming a plurality of hollow grooves on the lower pad surface of the inclined hole device.

8. An injection mold for a beveler according to claim 7, characterized in that: The plurality of hollow convex blocks on the lower core plate upper end face left and right sides are arranged in a linear shape.

9. An injection mold for a beveler according to claim 1, wherein: A positioning mechanism is arranged between the upper core plate and the lower core plate, the positioning mechanism comprises a plurality of positioning shafts and a plurality of positioning sleeves, a plurality of upper stepped holes are arranged in the upper core plate and penetrate the upper and lower ends of the upper core plate and are adapted to the positioning shafts, the positioning sleeves are installed in the upper stepped holes, a plurality of lower stepped holes are arranged in the lower core plate and penetrate the upper and lower ends of the lower core plate and are adapted to the positioning sleeves, the positioning sleeves are installed in the lower stepped holes, positioning holes are arranged in the positioning sleeves and are adapted to the bottom of the positioning shafts, and the bottom of the positioning shafts is inserted into the positioning holes.

10. An injection mold for a beveler according to claim 9, characterized in that: The number of the positioning shafts and the positioning sleeves is four, the upper stepped holes are arranged at the four corners of the upper core plate, and the lower stepped holes are arranged at the four corners of the lower core plate.

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