Convenient and rapid mold replacement device
By designing a mold replacement device including a clamping assembly, a fixing mechanism and a blower, the problems of debris residue and mold type limitation after the circuit board mold punching are solved, rapid mold replacement and effective debris cleaning are achieved, and production efficiency is improved.
Patent Information
- Application Number
- CN202421883307.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-06
AI Technical Summary
If the remaining debris after punching of existing circuit board molds are not cleaned in time, it will affect the next stamping work, and the mold can only be suitable for one type of circuit board.
A convenient and fast mold replacement device is designed, including a base plate, mounting plate, clamping assembly, lower mold, pressing plate, upper mold, fixing mechanism and blowing cylinder. Quick disassembly and installation of the upper and lower molds through the clamping assembly and fixing mechanism, and clean the punched debris through the blower.
It realizes rapid replacement of molds and effective cleaning of debris, which is suitable for the production of different types of circuit boards, improving production efficiency.
Smart Images

Figure CN222884881U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical equipment, in particular to a convenient and fast mold replacement device. Background Art
[0002] Circuit boards, also known as printed circuit boards (PCBs), are basic components used in electronic devices to mechanically support and electrically connect electronic components. Circuit boards enable electronic components such as resistors, capacitors, inductors, and semiconductor devices to be effectively laid out and connected in a compact space. There are many holes for mounting electronic components on circuit boards, and these holes require the use of special circuit board molds, but the following problems may occur during the punching operation of the mold.
[0003] First, the debris from the mold after punching will remain on the board. If it is not cleaned in time, it will affect the next stamping work; secondly, the current circuit board mold can only be used to punch out one type of circuit board, and it is impossible to replace different types of circuit board templates. Utility Model Content
[0004] (1) Technical issues to be solved
[0005] The utility model provides a convenient and fast mold replacement device, which overcomes the problem that the debris generated by the mold after punching will affect the next punching work if it is not cleaned in time; and the problem that the current circuit board mold can only be used to punch out one type of circuit board.
[0006] (2) Technical solution
[0007] In order to solve the above technical problems, the utility model provides a convenient and fast mold replacement device, including a bottom plate, a mounting plate, a clamping assembly, a lower mold, a pressing plate, an upper mold, a fixing mechanism, and a blow cylinder;
[0008] The mounting plate is provided on the bottom plate; the mounting plate is clamped with the lower mold via the clamping assembly; the bottom plate is connected to the top plate via a limiting telescopic column; a driving cylinder is provided on the top of the top plate; the connecting rod of the driving cylinder is connected to the pressing plate; the upper mold is provided under the pressing plate; the pressing plate and the upper mold can be fixed by a fixing mechanism; an extension plate extends from one side of the bottom plate; a bracket is provided on the upper end of the extension plate; the blow cylinder is provided on the upper end of the bracket; the blow cylinder is connected to an external inflation device.
[0009] Preferably, the clamping assembly includes a limiting groove and a limiting protrusion;
[0010] The mounting plate is U-shaped; the lower mold is an inverted U-shaped; the mounting plate is provided with limiting grooves at both ends; the lower mold is provided with limiting protrusions at both ends in contact with the mounting plate; the limiting protrusions are clamped in the limiting grooves.
[0011] Preferably, a punching hole is provided on the surface of the lower mold; and a punching protrusion matching the size of the punching hole is provided on the upper mold.
[0012] Preferably, the cavity between the mounting plate and the lower mold forms a ventilation cavity; the air outlet of the blow cylinder is aligned with the ventilation cavity.
[0013] Preferably, the fixing mechanism comprises a fixing block, a mounting block, a limiting rod, a through hole, an opening slot, a rotation slot, a plug hole, and an insert rod;
[0014] The fixing block is fixedly connected to the bottom of the pressure plate; a mounting block is provided in the middle of the upper mold; the limiting rod is fixedly connected to the fixing block; a through hole is provided on the limiting rod; the opening groove is provided at the upper end of the mounting block; the rotating groove is provided at the middle end of the mounting block; the rotating groove is provided at the lower end of the opening groove and is connected with the opening groove; two completely penetrating jacks are provided on the front and rear side walls of the lower mold; the plug rod can be inserted into the jack.
[0015] (3) Beneficial effects
[0016] The utility model provides a convenient and fast mold replacement device, which overcomes the problem that the debris generated by the mold after punching will affect the next punching work if it is not cleaned in time; and the problem that the current circuit board mold can only be used to punch out one type of circuit board.
[0017] 1. The utility model provides a clamping assembly and a fixing mechanism so that the upper mold and the lower mold can be quickly disassembled and installed. This device can be suitable for producing different types of circuit boards.
[0018] 2. The utility model provides an air blower so that the circuit board debris after punching can fall into the interior of the ventilation cavity and then be blown out by the air blower, so as to facilitate the cleaning of the falling material generated after punching. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A convenient and quick mold replacement device proposed by the utility model;
[0020] Figure 2 It is a structural schematic diagram of the clamping assembly in the utility model;
[0021] Figure 3 It is a structural schematic diagram of the fixing mechanism in the utility model;
[0022] Figure 4 It is a schematic diagram of the structure inside the installation block of the utility model;
[0023] Figure markings: 1-bottom plate, 2-mounting plate, 3-clamping assembly, 31-limiting groove, 32-limiting protrusion, 4-lower mold, 5-limiting telescopic column, 6-top plate, 7-driving cylinder, 8-pressing plate, 9-upper mold, 10-fixing mechanism, 101-fixing block, 102-mounting block, 103-limiting rod, 104-through hole, 105-opening groove, 106-rotating groove, 107-insertion hole, 108-insertion rod, 11-extension plate, 12-bracket, 13-blowing cylinder, 14-punching hole, 15-ventilation cavity. DETAILED DESCRIPTION
[0024] The utility model is further described in conjunction with the accompanying drawings and embodiments.
[0025] like Figures 1 to 4 As shown, the utility model discloses a convenient and quick mold replacement device, comprising a bottom plate 1, a mounting plate 2, a clamping assembly 3, a lower mold 4, a pressing plate 8, an upper mold 9, a fixing mechanism 10, and a blow cylinder 13;
[0026] The bottom plate 1 is provided with the mounting plate 2; the mounting plate 2 is clamped with the lower mold 4 through the clamping assembly 3; the bottom plate 1 is connected with the top plate 6 through the limiting telescopic column 5; the top of the top plate 6 is provided with a driving cylinder 7; the connecting rod of the driving cylinder 7 is connected with the pressing plate 8; the upper mold 9 is provided under the pressing plate 8; the pressing plate 8 and the upper mold 9 can be fixed by a fixing mechanism 10; an extension plate 11 is extended from one side of the bottom plate 1; a bracket 12 is provided at the upper end of the extension plate 11; the blowing cylinder 13 is provided at the upper end of the bracket 12; the blowing cylinder 13 is connected to the external inflation device.
[0027] The clamping assembly 3 includes a limiting groove 31 and a limiting protrusion 32;
[0028] The mounting plate 2 is U-shaped; the lower mold 4 is an inverted U-shaped; the mounting plate 2 is provided with limiting grooves 31 at both ends; the lower mold 4 is provided with limiting protrusions 32 at both ends in contact with the mounting plate 2; the limiting protrusions 32 are clamped in the limiting grooves 31.
[0029] The surface of the lower mold 4 is provided with a punching hole 14 ; the upper mold 9 is provided with a punching bump that matches the size of the punching hole 14 .
[0030] The cavity between the mounting plate 2 and the lower mold 4 forms a ventilation cavity 15 ; the air outlet of the blowing cylinder 13 is aligned with the ventilation cavity 15 .
[0031] The fixing mechanism 10 includes a fixing block 101, a mounting block 102, a limiting rod 103, a through hole 104, an opening slot 105, a rotation slot 106, a plug hole 107, and an inserting rod 108;
[0032] The fixing block 101 is fixedly connected to the bottom of the pressing plate 8; a mounting block 102 is provided in the middle of the upper mold 9; the limiting rod 103 is fixedly connected to the fixing block 101; a through hole 104 is provided on the limiting rod 103; when the pressing plate 8 and the upper mold 9 are fixed, the fixing block 101 can be installed inside the mounting block 102; the upper end of the mounting block 102 is provided with the opening groove 105; the middle end of the mounting block 102 is provided with the rotating groove 106; the rotating groove 106 is provided 06 is arranged at the lower end of the opening groove 105 and is connected thereto; two completely penetrating jacks 107 are provided on the front and rear side walls of the lower mold 4; the insertion rod 108 can be inserted into the inside of the jack 107; when the insertion rod 108 is inserted, it first passes through the outer wall of the lower mold 4, and then enters the rotating groove 106. Since the limiting rod 103 has been rotated into the rotating cavity groove at this time, the jack 107 is inserted into the through hole 104 in the limiting rod 103, thereby achieving the effect of limiting the upper mold 9.
[0033] Working principle: Place the circuit board to be processed above the lower mold 4; then turn on the driving cylinder 7; the cylinder drives the pressing plate 8 to press down, and further drives the upper mold 9 connected with the pressing plate 8 to press down, so as to punch holes in the circuit board; the circuit board debris after punching falls into the cavity formed between the lower mold 4 and the mounting plate 2, and then is sprayed out by the blow cylinder 13 to collect the circuit board debris.
[0034] When the circuit board mold needs to be replaced, the lower mold 4 can be first disassembled from the mounting plate 2, and then the insertion rod 108 inserted in the upper mold 9 can be taken out. After taking it out, the lower mold 4 is rotated so that the limit rod 103 of the lower mold 4 can be taken out along the opening groove 105, and then the second lower mold 4 is clamped on the mounting plate 2. After the second upper mold 9 is rotated, it is fixed on the pressing plate 8 using the insertion rod 108. The contents not described in detail in this specification belong to the prior art known to professionals in this field.
[0035] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description is relatively specific and detailed, but the utility model is not limited to these embodiments. It should be pointed out that for ordinary technicians in this field. Under the premise of not departing from the purpose of the utility model, any improvement made shall fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A convenient and fast mold replacement device, characterized in that: It comprises a base plate (1), a mounting plate (2), a clamping assembly (3), a lower mold (4), a pressing plate (8), an upper mold (9), a fixing mechanism (10), and a blowing cylinder (13); The bottom plate (1) is provided with the mounting plate (2); the mounting plate (2) is clamped with the lower mold (4) through the clamping assembly (3); the bottom plate (1) is connected with the top plate (6) through a limiting telescopic column (5); a driving cylinder (7) is provided on the top of the top plate (6); the connecting rod of the driving cylinder (7) is connected with the pressing plate (8); the upper mold (9) is provided below the pressing plate (8); the pressing plate (8) and the upper mold (9) can be fixed by a fixing mechanism (10); an extension plate (11) is extended from one side of the bottom plate (1); a bracket (12) is provided at the upper end of the extension plate (11); the blowing cylinder (13) is provided at the upper end of the bracket (12); the blowing cylinder (13) is connected to an external inflation device.
2. A convenient and quick mold replacement device according to claim 1, characterized in that: The clamping assembly (3) comprises a limiting groove (31) and a limiting protrusion (32); The mounting plate (2) is in a "U" shape; the lower mold (4) is in an inverted "U" shape; the mounting plate (2) is provided with limiting grooves (31) at both ends thereof; the lower mold (4) is provided with limiting protrusions (32) at both ends thereof which are in contact with the mounting plate (2); the limiting protrusions (32) are clamped inside the limiting grooves (31).
3. A convenient and quick mold replacement device according to claim 1, characterized in that: The surface of the lower mold (4) is provided with a punching hole (14); the upper mold (9) is provided with a punching protrusion that matches the size of the punching hole (14).
4. A convenient and quick mold replacement device according to claim 1, characterized in that: The cavity between the mounting plate (2) and the lower mold (4) forms a ventilation cavity (15); the air outlet of the blowing cylinder (13) is aligned with the ventilation cavity (15).
5. A convenient and quick mold replacement device according to claim 1, characterized in that: The fixing mechanism (10) comprises a fixing block (101), a mounting block (102), a limiting rod (103), a through hole (104), an opening slot (105), a rotating slot (106), an insertion hole (107), and an insertion rod (108); The bottom of the pressing plate (8) is fixedly connected with the fixing block (101); the middle of the upper mold (9) is provided with a mounting block (102); the fixing block (101) is fixedly connected with the limiting rod (103); the limiting rod (103) is provided with a through hole (104); the upper end of the mounting block (102) is provided with the opening groove (105); the middle end of the mounting block (102) is provided with the rotating groove (106); the rotating groove (106) is arranged at the lower end of the opening groove (105) and is connected with it; the front and rear side walls of the lower mold (4) are provided with two completely penetrating plug holes (107); the plug rod (108) can be inserted into the plug hole (107).