Perforating device for high-precision die production

Abstract

The utility model discloses a trepanning device for high-precision die production, which belongs to the technical field of die production and comprises a base, a trepanning table, a clamping component and a trepanning component, the trepanning table is fixedly mounted on the base, the clamping component is arranged on the trepanning table, a portal frame is mounted on the base in a sliding manner, a translation seat is mounted on the portal frame in a sliding manner, and the translation seat is arranged on the base. A hydraulic cylinder is fixedly mounted at the bottom of the translation seat, the trepanning assembly is mounted at the lower end of the hydraulic cylinder and comprises a motor, a connecting frame, a mounting disc, a drill bit and a positioning bolt, the motor is fixedly mounted at the lower end of the hydraulic cylinder, the connecting frame is fixedly mounted on an output shaft of the motor, and the mounting disc is rotatably mounted at the lower end of the connecting frame; the number of the drill bits is four, the four drill bits are annularly distributed on the periphery of the mounting disc, and the positioning bolt is connected to one side of the connecting frame in an inserted mode. By arranging the punching assembly, drill bits of different specifications can be replaced conveniently, the time for replacing the drill bits is shortened, and the punching efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mold production, and in particular relates to a hole opening device for high-precision mold production. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. It is known as the "mother of industry".

[0003] A high-precision mold generally has many holes. Therefore, when producing high-precision molds, it is necessary to perform hole drilling operations on the high-precision molds. The existing Chinese patent with announcement number CN210877673U discloses a hole drilling device for high-precision mold production, including a base, a top plate, a first motor, a first belt, a rotating shaft, a second belt and a second motor. A screw is fixedly installed on the top of the base, and the top of the screw is connected to the rotating shaft, and the top bearing of the rotating shaft is connected to the top plate. The first motor is installed at the middle position of the top of the top plate, and the top of the first motor is connected to the rotating shaft through the first belt. The top of the first motor is connected, and the bottom of the top of the first motor is connected to the rotating disk through a second belt, and a drill bit is fixedly installed on the bottom of the rotating disk, a fixed block is installed on the outside of the rotating shaft through bolts, and the top position of the fixed block is connected to a pressure plate through a compression spring, the external thread of the screw rod is connected to a rotating sleeve, and a lifting plate is installed in the middle of the rotating sleeve, and a rotating plate is arranged in the middle position above the lifting plate, the bottom of the rotating plate is connected to the top of the second motor, and the second motor is arranged at the bottom position of the lifting plate, and the middle position of the rotating plate is connected to a clamping plate through a reset spring.

[0004] With respect to the above-mentioned related technologies, the inventors found that there are at least the following problems in the technology: since the holes opened by high-precision molds mostly have multiple specifications, in order to open holes of different specifications on the high-precision molds, it is necessary to replace the drill bits of corresponding specifications. However, the existing technology is more troublesome when replacing the drill bits, which will affect the drilling efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a hole-opening device for high-precision mold production to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hole-opening device for high-precision mold production, comprising a base, a hole-opening platform, a clamping assembly and a hole-opening assembly, wherein the hole-opening platform is fixedly mounted on the base, the clamping assembly is arranged on the hole-opening platform, a gantry is slidably mounted on the base, a translation seat is slidably mounted on the gantry, a hydraulic cylinder is fixedly mounted on the bottom of the translation seat, and the hole-opening assembly is mounted on the lower end of the hydraulic cylinder;

[0007] The hole opening assembly includes a motor, a connecting frame, a mounting plate, a drill bit and a positioning bolt. The motor is fixedly mounted at the lower end of the hydraulic cylinder, the connecting frame is fixedly mounted on the motor output shaft, the mounting plate is rotatably mounted at the lower end of the connecting frame, there are four drill bits, and the four drill bits are distributed in a ring around the mounting plate, and the positioning bolt is inserted into one side of the connecting frame.

[0008] As a preferred embodiment, the clamping assembly includes a handle, a bidirectional screw and a clamping plate, the handle is fixedly mounted on one end of the bidirectional screw, the bidirectional screw is rotatably mounted in the hole-opening platform, there are two clamping plates, the two clamping plates are symmetrically arranged on the hole-opening platform, and the clamping plates are sleeved on the bidirectional screw and threadedly connected to the bidirectional screw.

[0009] As a preferred embodiment, sliding grooves are provided on both sides of the surface of the hole-opening platform, and the two ends of the clamping plate slide in the sliding grooves.

[0010] As a preferred embodiment, guide rods are fixedly installed on both sides of the interior of the clamping plate, and both ends of the clamping plate are slidably sleeved on the guide rods.

[0011] As a preferred embodiment, a positioning hole matched with a positioning bolt is provided on one side of the end surface of the mounting plate close to each drill bit.

[0012] As a preferred embodiment, a connecting bolt is inserted into one side of the end surface of the mounting plate close to each drill bit, and the drill bit is fixedly mounted on the mounting plate by the connecting bolt.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The hole-opening device for high-precision mold production can place the mold on the hole-opening table by setting a clamping component, and then turn the handle to drive the bidirectional screw to rotate, so that the bidirectional screw drives two clamps to approach each other, so that the clamps are against the side wall of the mold, and the mold is clamped and fixed to ensure the stability of the mold when the hole is opened;

[0015] The hole-opening device for high-precision mold production is provided with a hole-opening component. When holes of different specifications need to be opened, it is only necessary to loosen the positioning bolts and then rotate the mounting plate so that the mounting plate drives the drill bit of the required specifications downward. Then, the positioning bolts are inserted into the corresponding positioning holes and the mounting plate is fixed. The drill bit can be quickly replaced, which reduces the time for replacing the drill bit and improves the drilling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the hole-opening platform of the utility model from top view;

[0018] Figure 3 It is a structural schematic diagram of the hole opening component of the utility model.

[0019] In the figure: 1. base; 11. gantry; 12. translation seat; 13. hydraulic cylinder; 2. hole opening platform; 3. clamping assembly; 31. handle; 32. bidirectional screw; 33. clamping plate; 34. slide; 35. guide rod; 4. hole opening assembly; 41. motor; 42. connecting frame; 43. mounting plate; 44. drill bit; 45. positioning bolt; 46. positioning hole; 47. connecting bolt. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-3The utility model provides a hole-opening device for high-precision mold production, including a base 1, a hole-opening platform 2, a clamping assembly 3 and a hole-opening assembly 4. The hole-opening platform 2 is fixedly installed on the base 1, and the clamping assembly 3 is arranged on the hole-opening platform 2. The clamping assembly 3 includes a handle 31, a bidirectional screw 32 and a clamping plate 33. The handle 31 is fixedly installed at one end of the bidirectional screw 32, and the bidirectional screw 32 is rotatably installed in the hole-opening platform 2. There are two clamping plates 33, and the two clamping plates 33 are symmetrically arranged on the hole-opening platform 2. Both sides of the surface of the hole-opening platform 2 are provided with slide grooves 34, and the clamping plates 33 are provided with a plurality of clamping plates 33. The two ends of the clamping plate 33 slide in the slide groove 34, and the clamping plate 33 is sleeved on the bidirectional screw 32 and threadedly connected with the bidirectional screw 32. Guide rods 35 are fixedly installed on both sides of the inside of the clamping plate 33. The two ends of the clamping plate 33 are slidably sleeved on the guide rods 35. By setting the clamping assembly 3, the mold can be placed on the hole opening table 2, and then the handle 31 is turned to make the handle 31 drive the bidirectional screw 32 to rotate, so that the bidirectional screw 32 drives the two clamping plates 33 to approach each other, so that the clamping plate 33 is against the side wall of the mold, and the mold is clamped and fixed to ensure the stability of the mold when the hole is opened.

[0023] Reference Figure 1 and Figure 3 A gantry 11 is slidably mounted on the base 1, a translation seat 12 is slidably mounted on the gantry 11, a hydraulic cylinder 13 is fixedly mounted on the bottom of the translation seat 12, and a hole opening component 4 is mounted at the lower end of the hydraulic cylinder 13. By setting the gantry 11, the translation seat 12 and the hydraulic cylinder 13, the position of the hole opening component 4 can be adjusted, and the lifting of the hole opening component 4 can be controlled; the hole opening component 4 includes a motor 41, a connecting frame 42, a mounting plate 43, a drill bit 44 and a positioning bolt 45. The motor 41 is fixedly mounted at the lower end of the hydraulic cylinder 13, the connecting frame 42 is fixedly mounted on the output shaft of the motor 41, the mounting plate 43 is rotatably mounted at the lower end of the connecting frame 42, and the drill bit 44 has four, four drill bits The specifications of the heads 44 are different. Four drill bits 44 are distributed in a ring around the mounting plate 43. The positioning bolts 45 are inserted on one side of the connecting frame 42. A positioning hole 46 compatible with the positioning bolt 45 is opened on one side of the end face of the mounting plate 43 close to each drill bit 44. By setting the hole opening component 4, when holes of different specifications need to be opened, it is only necessary to loosen the positioning bolt 45 and then rotate the mounting plate 43 so that the mounting plate 43 drives the drill bit 44 of the required specification downward, and then insert the positioning bolt 45 into the corresponding positioning hole 46 to fix the mounting plate 43. The drill bit 44 can be quickly replaced, which reduces the time for replacing the drill bit 44 and improves the drilling efficiency.

[0024] Reference Figure 3 A connecting bolt 47 is inserted on one side of the end surface of the mounting plate 43 close to each drill bit 44, and the drill bit 44 is fixedly mounted on the mounting plate 43 by the connecting bolt 47. By setting the connecting bolt 47, the drill bit 44 can be disassembled and replaced.

[0025] The working principle and use process of the utility model are as follows: first, by setting the clamping component 3, the mold can be placed on the hole opening platform 2, and then the handle 31 is turned to make the handle 31 drive the bidirectional screw 32 to rotate, so that the bidirectional screw 32 drives the two clamps 33 to approach each other, so that the clamps 33 are against the side walls of the mold, and the mold is clamped and fixed to ensure the stability of the mold when opening holes. By setting the hole opening component 4, when holes of different specifications need to be opened, it is only necessary to loosen the positioning bolt 45, and then rotate the mounting plate 43 to make the mounting plate 43 drive the drill bit 44 of the required specifications downward, and then insert the positioning bolt 45 into the corresponding positioning hole 46, fix the mounting plate 43, and the drill bit 44 can be quickly replaced, thereby reducing the time for replacing the drill bit 44 and improving the drilling efficiency.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hole-punching device for high-precision mold production, comprising a base (1), a hole-punching platform (2), a clamping component (3) and a hole-punching component (4), characterized in that: The hole-punching platform (2) is fixedly mounted on the base (1), the clamping assembly (3) is arranged on the hole-punching platform (2), a gantry (11) is slidably mounted on the base (1), a translation seat (12) is slidably mounted on the gantry (11), a hydraulic cylinder (13) is fixedly mounted on the bottom of the translation seat (12), and the hole-punching assembly (4) is mounted on the lower end of the hydraulic cylinder (13); The hole opening assembly (4) comprises a motor (41), a connecting frame (42), a mounting plate (43), a drill bit (44) and a positioning bolt (45); the motor (41) is fixedly mounted on the lower end of the hydraulic cylinder (13); the connecting frame (42) is fixedly mounted on the output shaft of the motor (41); the mounting plate (43) is rotatably mounted on the lower end of the connecting frame (42); there are four drill bits (44), which are distributed in an annular manner around the mounting plate (43); and the positioning bolt (45) is plugged into one side of the connecting frame (42).

2. The hole-punching device for high-precision mold production according to claim 1, characterized in that: The clamping assembly (3) comprises a handle (31), a bidirectional screw (32) and a clamping plate (33); the handle (31) is fixedly mounted on one end of the bidirectional screw (32); the bidirectional screw (32) is rotatably mounted in the hole-opening platform (2); there are two clamping plates (33), the two clamping plates (33) are symmetrically arranged on the hole-opening platform (2), and the clamping plates (33) are sleeved on the bidirectional screw (32) and are threadedly connected to the bidirectional screw (32).

3. The hole-punching device for high-precision mold production according to claim 2, characterized in that: Slide grooves (34) are provided on both sides of the surface of the hole-opening platform (2), and the two ends of the clamping plate (33) slide in the slide grooves (34).

4. The hole-opening device for high-precision mold production according to claim 2, characterized in that: Guide rods (35) are fixedly mounted on both sides of the clamping plate (33), and both ends of the clamping plate (33) are slidably sleeved on the guide rods (35).

5. The hole-punching device for high-precision mold production according to claim 1, characterized in that: A positioning hole (46) adapted to the positioning bolt (45) is provided on one side of the end surface of the mounting plate (43) close to each drill bit (44).

6. The hole-punching device for high-precision mold production according to claim 1, characterized in that: A connecting bolt (47) is inserted into one side of the end surface of the mounting plate (43) close to each drill bit (44), and the drill bit (44) is fixedly mounted on the mounting plate (43) by the connecting bolt (47).

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