In-mold automatic tapping device
By using an in-mold automatic tapping device to synchronize in-mold tapping and stamping, the problem of machining accuracy and efficiency of oblique threaded holes in injection molds is solved, thereby improving production efficiency and reducing costs.
Patent Information
- Application Number
- CN202422969141.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-03
AI Technical Summary
The existing injection molds have poor machining accuracy for oblique threaded holes, making it difficult to continuously machine different tilt angles, and require repeated clamping and adjustment, resulting in large errors and wasted time.
Design an in-mold automatic tapping device that combines the tapping machine and the punch press to achieve synchronous in-mold tapping and stamping. Thread forming is achieved by extruding the tap, reducing clamping errors and processes.
It improves processing accuracy and production efficiency, reduces scrap rate and cost, and achieves chip-free processing and environmentally friendly production.
Smart Images
Figure CN223684361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tapping technology field, concretely related to a automatic tapping device in mould. BACKGROUND
[0002] Injection molding is a kind of processing mode by injecting molten material into corresponding injection mold to cool and form, so the shape of the product after forming depends on the corresponding injection mold, generally for each shape of injection product needs to make corresponding injection mold. Because of the shape of injection product, various ejection mechanisms, extraction mechanisms, cooling mechanisms need to be set on the injection mold, which leads to the need to open various inclined threaded holes on the injection mold to connect the auxiliary mechanism.
[0003] The existing injection mold is mainly processed by manual punching or tapping machine punching, wherein the precision of manual punching is poor and has been basically eliminated, and is only used for special circumstances as a remedy, and the existing tapping machine lacks flexibility, and it is difficult to continuously process inclined holes with different inclined angles at different positions, but needs to repeatedly clamp and adjust the position of the mold, which leads to large clamping error and waste of a lot of clamping time, and a automatic tapping device in mould is needed to solve this problem. UTILITARIAN CONTENT
[0004] The utility model aims at providing a automatic tapping device in mould to solve the problems in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a automatic tapping device in mould, including upper mold, the upper mold bottom end all fixed installation has the mould column in four quarters, the upper mold bottom end is installed with lower mold, the lower mold four quarter corner all are set with the slot, the lower mold is installed with tapping machine, the tapping machine is installed with moving block, the moving block side end is installed with tap, and the tap other side is equipped with workpiece.
[0006] As a preferred technical scheme of the utility model, the tapping machine is composed of a top block and a fixed block, and a pressing rod is installed between the top block and the fixed block, sliding grooves are formed in the inner walls of the fixed block on both sides, and the moving block is slidably connected with the sliding grooves through sliding blocks on both sides.
[0007] As a preferred technical scheme of the utility model, the moving block is fixedly installed with a buffer rod at the bottom end, the buffer rod is in the buffer cavity, and a return spring is installed between the buffer cavity and the buffer rod.
[0008] As a preferred technical scheme of the utility model, the top block is fixedly installed with an extrusion block at the bottom end, and the extrusion block is matched with the notch on the moving block.
[0009] As the preferred technical scheme of the utility model, the slot of the lower mold is provided with an inner cavity, and the mold column at the bottom end of the upper mold is tightly combined with the slot of the lower mold.
[0010] As the preferred technical scheme of the utility model, the slot of the lower mold is provided with an inner cavity, and the mold column at the bottom end of the upper mold is tightly combined with the slot of the lower mold.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] (1) The utility model relates to a kind of automatic tapping devices in mould, and the tapping device of the device is extruded by the spiral movement of tap after mould is completely closed in working state, to reach the purpose of thread forming, let the tapping machine in mould combine stamping and tapping action integrally to the part needing tapping, directly tapping and stamping are carried out synchronously on punch press, using tapping machine in mould can save working time, tapping precision is high, time is short, improve production efficiency.
[0013] (2) The utility model relates to a kind of automatic tapping devices in mould, and the tapping device of the device is extruded by the spiral movement of tap after mould is completely closed in working state, to reach the purpose of thread forming, let the tapping machine in mould combine stamping and tapping action integrally to the part needing tapping, directly tapping and stamping are carried out synchronously on punch press, using tapping machine in mould can save working time, tapping precision is high, time is short, improve production efficiency. DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiments will be simply introduced below, and obviously, the drawings in the following description can only be some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.
[0015] Figure 1 It is a kind of automatic tapping device's structure schematic view in mould according to the utility model embodiment;
[0016] Figure 2 It is a kind of tapping machine's structure schematic view of automatic tapping device in mould according to the utility model embodiment;
[0017] Figure 3 It is a kind of automatic tapping device's side view in mould according to the utility model embodiment;
[0018] Figure 4 It is a kind of automatic tapping device's structure schematic view inside tapping machine in mould according to the utility model embodiment.
[0019] Reference signs:
[0020] 1, the upper die; 2, the die column; 3, the lower die; 4, the slot; 5, the tapping machine; 6, the moving block; 7, the workpiece; 8, the connecting column; 9, the buffer spring; 10, the inner cavity; 11, the top block; 12, the fixed block; 13, the pressing rod; 14, the extrusion block; 15, the sliding block; 16, the sliding groove; 17, the tap; 18, the buffer rod; 19, the connecting block; 20, the buffer cavity; 21, the return spring. DETAILED DESCRIPTION
[0021] The utility model will be further described below in combination with the drawings and the specific embodiments:
[0022] Embodiment 1
[0023] Reference Figures 1 to 3 It is explained that embodiment 1 comprises the upper die 1, the upper die 1 bottom end four around places all fixedly installed with the die column 2, the upper die 1 bottom end is installed with the lower die 3, and the lower die 3 four around corners all are set with the slot 4, and the lower die 3 is installed with the tapping machine 5, and the tapping machine 5 is installed with the moving block 6, and the moving block 6 side end is installed with the tap 17, and the tap 17 other side is provided with the workpiece 7, and the slot 4 of the lower die 3 is set with the inner cavity 10, and the die column 2 of the upper die 1 bottom end is closely combined with the slot 4 of the lower die 3, and the die column 2 of the upper die 1 bottom end bottom end is fixedly installed with the connecting column 8, and the connecting column 8 is installed with the buffer spring 9, and the connecting column 8 of the upper die 1 bottom end is adapted with the inner cavity 10 on the lower die 3;
[0024] In the embodiment, the buffer spring 9 can buffer and protect the upper die 1 and the lower die 3.
[0025] Embodiment 2
[0026] Reference Figure 4 It is explained that embodiment 2, the embodiment is further explained that embodiment 1 comprises the tapping machine 5, which is composed of the top block 11 and the fixed block 12, and the pressing rod 13 is installed between the top block 11 and the fixed block 12, the sliding groove 16 is set on both sides of the inner wall of the fixed block 12, the moving block 6 is slidably connected with the sliding groove 16 through the sliding block 15 on both sides, the buffer rod 18 is fixedly installed at the bottom end of the moving block 6, the buffer rod 18 is in the buffer cavity 20, and the return spring 21 is installed between the buffer cavity 20 and the buffer rod 18, the extrusion block 14 is fixedly installed at the bottom end of the top block 11, and the extrusion block 14 is adapted with the notch on the moving block 6;
[0027] In the embodiment, the tapping machine 5 is extruded tap 17, so that the cutting chip formed by cutting during the thread forming process is not generated, which realizes clean and environmental protection, and realizes in-mold tapping during continuous production.
[0028] In specific application, the device is used for thread forming by converting the spiral movement of the extruding tap after the die is completely closed in the working state through the up-down movement of the punch slider. The die internal tapping machine 5 combines the punching and tapping actions of the parts to be tapped, and directly performs the tapping and punching on the punch in synchronization. The die internal tapping machine 5 can save the working time, effectively avoid the secondary operation, and greatly improve the production efficiency. The precise positioning of the die internal tapping machine 5 can reduce the damage probability of the tap 17, reduce the probability of waste products caused by feeding errors, and reduce the product inventory in the processing process, thereby saving the cost. The die internal tapping machine 5 is particularly suitable for continuous dies, progressive dies and precision dies, and the tapping technology truly realizes "chipless processing". Since the tapping adopts the extruding tap 17, no cutting chips are generated in the thread forming process, the cleaning and environmental protection are achieved, and the strength of the thread is improved. The device leaves a space in the continuous die. When the product needs to be tapped, the die internal tapping is realized during continuous production, without increasing the process, thereby greatly improving the efficiency.
[0029] In the description of the present application, it should be pointed out that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0030] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the present application, and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An in-mold automatic tapping device, characterized by, Including the upper die (1), the upper die (1) bottom end four around all fixedly installed with die column (2), the upper die (1) bottom end is installed with lower die (3), the lower die (3) four around corner all are set with slot (4), the lower die (3) is installed with tapping machine (5), the tapping machine (5) is installed with moving block (6) inside, the moving block (6) side end is installed with tap (17), the tap (17) other side is equipped with workpiece (7).
2. A device for automatic tapping of holes in a mould according to claim 1, characterised in that The tapping machine (5) is composed of a top block (11) and a fixed block (12), and a pressing rod (13) is installed between the top block (11) and the fixed block (12), the fixed block (12) inner wall both sides are set with sliding slot (16), the moving block (6) is slidably connected with the sliding slot (16) through the sliding blocks (15) on both sides.
3. The in-mold automatic tapping device according to claim 1, wherein The bottom end of the moving block (6) is fixedly installed with a buffer rod (18), the buffer rod (18) is in the buffer cavity (20), and the buffer cavity (20) and the buffer rod (18) are installed with a reset spring (21).
4. The in-mold automatic tapping device according to claim 2, wherein The bottom end of the top block (11) is fixedly installed with an extrusion block (14), and the extrusion block (14) is matched with the notch on the moving block (6).
5. The in-mold automatic tapping device according to claim 1, wherein The slot (4) of the lower die (3) is provided with an inner cavity (10), and the die column (2) at the bottom of the upper die (1) is closely combined with the slot (4) of the lower die (3).
6. The in-mold automatic tapping device according to claim 1, wherein The bottom end of the die column (2) at the bottom of the upper die (1) is fixedly installed with a connecting column (8), the connecting column (8) is installed with a buffer spring (9), and the connecting column (8) at the bottom of the upper die (1) is matched with the inner cavity (10) on the lower die (3). The bottom end of the die column (2) at the bottom of the upper die (1) is fixedly installed with a connecting column (8), the connecting column (8) is installed with a buffer spring (9), and the connecting column (8) at the bottom of the upper die (1) is matched with the inner cavity (10) on the lower die (3).