Die convenient for thread replacement
By designing a separable upper and lower mold structure in the mold and using a cylinder to lift the lower mold, the problem of low thread replacement efficiency in existing molds is solved, and the thread replacement is made quick and convenient.
Patent Information
- Application Number
- CN202423112216.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The existing mold has a complex structure, which leads to low efficiency in changing the screw threads and requires the complete mold to be disassembled, causing unnecessary trouble.
A mold for easy thread replacement was designed. By separating the upper and lower molds and using a cylinder to lift the lower mold, the thread position is exposed, making it easy to directly replace the thread and shaft, thus simplifying the replacement process.
It enables quick thread replacement, improves replacement efficiency, reduces the steps and time required to disassemble the mold, and enhances the ease of operation.
Smart Images

Figure CN223890322U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of molds, and in particular to a mold that facilitates the replacement of screw threads. Background Technology
[0002] Some molds often have internal threads installed, but these threads are installed in different sizes as needed, and they are also easily damaged during use. Therefore, the threads in the mold need to be replaced as needed. In the existing technology, the structure of the mold is often quite complex. When replacing the threads, it is often necessary to disassemble the entire mold, including the base, upper mold, lower mold, etc., which is very troublesome and makes the replacement efficiency very low. Therefore, there is an urgent need for a mold that facilitates the replacement of threads and allows for quick replacement of the threads inside the mold. Utility Model Content
[0003] (a) Technical problems to be solved
[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a mold that facilitates the replacement of screw threads, thereby solving the problems existing in the prior art. This utility model can quickly replace the screw threads in the mold, greatly improving the replacement efficiency.
[0005] (II) Technical Solution
[0006] To achieve the above objectives, the present invention provides the following technical solution: a mold for easy replacement of screw threads, comprising a base, a first connecting plate above the base, a second connecting plate above the first connecting plate, a lower mold fixed on the second connecting plate by a threaded rod, a plurality of screw threads inserted into the lower mold, an upper mold detachably connected to the lower mold, and a cover plate fixed to the top of the upper mold.
[0007] Preferably, there are four threads, including a thread body and a shaft core screwed together with the thread body. The thread body is disposed on the upper surface of the lower mold, and the lower end of the shaft core is inserted into the second connecting plate.
[0008] Preferably, the base includes a base plate, with fixing blocks fixed at the left and right ends of the base plate, a fixing plate fixed between the fixing blocks, and a cylinder fixed on the upper surface of the fixing plate. The telescopic rod of the cylinder passes through the first connecting plate and the second connecting plate, and the end of the telescopic rod is fixed on the bottom surface of the lower mold.
[0009] Preferably, the cylinder has two symmetrical cylinders on the fixed plate.
[0010] Preferably, a connecting pipe is detachably connected to the thread, and a collection pipe is detachably connected to the connecting pipe. The collection pipe is located inside the upper mold and is connected to a liquid collection tank, which is located at the center of the cover plate.
[0011] Preferably, a fixing shaft is fixed at each of the four corners of the second connecting plate, and a matching lower mold sleeve shaft and upper mold sleeve shaft are sleeved on the fixing shaft. The lower mold sleeve shaft is fixed inside the lower mold, and the upper mold sleeve shaft is fixed inside the upper mold.
[0012] Preferably, the first connecting plate is provided with an orthodontic mechanism, which includes a motor fixed on the first connecting plate, a drive gear fixed on the rotating shaft of the motor, the drive gear being connected to a threaded drive gear through a multi-stage transmission of several driven gears, and the threaded drive gear being connected to a threaded drive gear.
[0013] Preferably, the upper mold is provided with a top post of the shaft core.
[0014] Preferably, a number of support columns are connected between the first connecting plate and the fixed plate.
[0015] Preferably, a plurality of support shafts are connected between the first connecting plate and the fixed plate, and springs are sleeved on the support shafts.
[0016] (III) Beneficial Effects
[0017] This invention improves the mold, making it easier to replace parts, especially threads, simply by separating the upper and lower molds, lifting the lower mold, and then replacing the thread. This eliminates the need to disassemble the base, upper mold, lower mold, first connecting plate, and second connecting plate, allowing for quick thread replacement and greatly improving the efficiency of thread replacement. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall design of this utility model.
[0019] Figure 2 This utility model Figure 1 A schematic diagram after removing the lower and upper molds.
[0020] Figure 3 This is a schematic diagram of the overall thread of this utility model.
[0021] Figure 4 This utility model Figure 1 A schematic diagram after removing the upper mold.
[0022] Figure 5 This is a schematic diagram of the base, the first connecting plate, and the orthodontic mechanism thereon of this utility model.
[0023] Figure 6 This is a schematic diagram showing the state after the upper mold is removed, the cylinder lifts the lower mold, and the screw threads are changed.
[0024] In the diagram: 1-base, 2-first connecting plate, 3-second connecting plate, 4-threaded rod, 5-lower mold, 6-thread, 7-upper mold, 8-cover plate, 9-thread body, 10-shaft core, 11-base plate, 12-fixing block, 13-fixing plate, 14-cylinder, 15-telescopic rod, 16-fixed shaft, 17-lower mold sleeve shaft, 18-upper mold sleeve shaft, 19-orthodontic mechanism, 20-motor, 21-rotating shaft, 22-drive gear, 23-thread driven gear, 24-top column, 25-support column, 26-support shaft, 27-spring. Detailed Implementation
[0025] The following will refer to the appendix in the embodiments of this utility model. Figure 1-6 The technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.
[0026] This utility model provides a technical solution: a mold for easy replacement of screw threads, including a base 1, a first connecting plate 2 above the base 1, a second connecting plate 3 above the first connecting plate 2, a lower mold 5 fixed to the second connecting plate 3 by a threaded rod 4, a plurality of screw threads 6 inserted into the lower mold 5, an upper mold 7 detachably connected to the lower mold 5, and a cover plate 8 fixed to the top of the upper mold 7. By setting the screw threads 6 inside the lower mold 5, when it is necessary to replace the screw threads 6, it is only necessary to separate the upper mold 7 from the lower mold 5 as a whole, and then replace the screw threads 6 inside the lower mold 5. This is very convenient, and it is not necessary to remove the base 1, the first connecting plate 2, and the second connecting plate 3. This allows for quick replacement of the screw threads 6, greatly improves the efficiency of screw thread 6 replacement, and also reduces unnecessary trouble.
[0027] There are four threads 6, including a thread body 9 and a shaft core 10 screwed together with the thread body 9. The thread body 9 is located on the upper surface of the lower mold 5, and the lower end of the shaft core 10 is inserted into the second connecting plate 3. The thread body 9 is fixed to the upper surface of the lower mold 5, so when replacing it, you only need to unscrew the shaft core 10 from the thread body 9 for replacement. After that, you can take out the thread body 9 and the shaft core 10, which is very convenient.
[0028] The base 1 includes a base plate 11, with fixing blocks 12 fixed at both ends of the base plate 11, and a fixing plate 13 fixed between the fixing blocks 12. A cylinder 14 is fixed on the upper surface of the fixing plate 13. The telescopic rod 15 of the cylinder 14 passes through the first connecting plate 2 and the second connecting plate 3, and the end of the telescopic rod 15 is fixed to the bottom surface of the lower mold 5. When the thread 6 needs to be replaced, the upper mold 7 is first separated from the lower mold 5 as a whole. Then the cylinder 14 is activated to lift the lower mold 5 upward as a whole. This exposes the part of the shaft core 10 that is close to the second connecting plate 3. Then, simply pinch the part that protrudes from the bottom surface of the lower mold 5 and unscrew the shaft core 10. Then, remove the old shaft core 10 and thread body 9 and replace it with a new shaft core 10 and thread body 9. It is very convenient. There is no need to disassemble the upper mold 7, the lower mold 5 and the parts on the base 1. You only need to move the upper mold 7 and the lower mold 5 as a whole. It is very convenient to replace.
[0029] The cylinder 13 has two symmetrical cylinders on the fixed plate 13, which makes it more stable and has better stability when lifting the lower mold 7.
[0030] Fixed shafts 16 are fixed at the four corners of the second connecting plate 3. Matching lower mold sleeve shafts 17 and upper mold sleeve shafts 18 are sleeved on the fixed shafts 16. The lower mold sleeve shaft 17 is fixed inside the lower mold 5, and the upper mold sleeve shaft 18 is fixed inside the upper mold 7. This realizes the sliding connection between the upper mold 7 and the lower mold 5 and the fixed shafts 16, which facilitates the separation and closing of the upper mold 7 and the lower mold 5, as well as the up and down sliding of the lower mold 5 along the fixed shafts 16.
[0031] The first connecting plate 2 is provided with an orthodontic mechanism 19. The orthodontic mechanism 19 includes a motor 20 fixed on the first connecting plate 2. A drive gear 22 is fixed on the rotating shaft 21 of the motor 20. The drive gear 22 is connected to a threaded drive gear 23 through a multi-stage transmission of several driven gears. The threaded drive gear 23 is connected to a threaded 6, thereby performing orthodontic treatment.
[0032] The upper mold 7 is provided with the top post 24 of the shaft core 10, which facilitates mold closing and provides good fixation for the shaft core 10.
[0033] Several support columns 25 are connected between the first connecting plate 2 and the fixed plate 13, and the overall stability is further increased by setting the support columns 25.
[0034] A number of support shafts 26 are connected between the first connecting plate 2 and the fixed plate 13. Springs 27 are sleeved on the support shafts 26. This arrangement greatly increases the overall shock resistance and pressure resistance, thereby further increasing the overall stability.
[0035] Working principle: When it is necessary to replace the shaft core 10 of thread 6, firstly, the upper mold 7 is separated from the lower mold 5 as a whole. Then, the cylinder 14 is activated to lift the lower mold 5 upward as a whole. This exposes the part of the shaft core 10 that is close to the second connecting plate 3. When replacing the shaft core 10, simply pinch the part protruding from the bottom surface of the lower mold 5, unscrew the shaft core 10, and then screw on the shaft core to be replaced. It is very convenient. There is no need to disassemble the upper mold 7, the lower mold 5, and the parts on the base 1. You only need to move the upper mold 7 and the lower mold 5 as a whole. The replacement is very convenient and can quickly replace the thread 6, greatly improving the replacement efficiency.
[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A mold for easy thread replacement, characterized in that, Includes a base (1), a first connecting plate (2) is provided above the base (1), a second connecting plate (3) is provided above the first connecting plate (2), a lower mold (5) is fixed on the second connecting plate (3) by a threaded rod (4), a number of threads (6) are inserted into the lower mold (5), an upper mold (7) is detachably connected to the lower mold (5), and a cover plate (8) is fixed on the top of the upper mold (7).
2. The mold for easy thread replacement according to claim 1, characterized in that, The thread (6) is provided in four parts, including a thread body (9) and a shaft core (10) screwed together with the thread body (9). The thread body (9) is provided on the upper surface of the lower mold (5), and the lower end of the shaft core (10) is inserted into the second connecting plate (3).
3. The mold for easy thread replacement according to claim 1, characterized in that, The base (1) includes a base plate (11), with fixing blocks (12) fixed at the left and right ends of the base plate (11), and a fixing plate (13) fixed between the fixing blocks (12). A cylinder (14) is fixed on the upper surface of the fixing plate (13), and the telescopic rod (15) of the cylinder (14) passes through the first connecting plate (2) and the second connecting plate (3), and the end of the telescopic rod (15) is fixed on the bottom surface of the lower mold (5).
4. The mold for easy thread replacement according to claim 3, characterized in that, The cylinder (14) has two symmetrical cylinders on the fixed plate (13).
5. A mold for easy thread replacement according to claim 1, characterized in that, The second connecting plate (3) has a fixed shaft (16) fixed at each of its four corners. The fixed shaft (16) is fitted with a matching lower mold sleeve shaft (17) and upper mold sleeve shaft (18). The lower mold sleeve shaft (17) is fixed inside the lower mold (5), and the upper mold sleeve shaft (18) is fixed inside the upper mold (7).
6. A mold for easy thread replacement according to claim 1, characterized in that, The first connecting plate (2) is provided with an orthodontic mechanism (19). The orthodontic mechanism (19) includes a motor (20) fixed on the first connecting plate (2). A drive gear (22) is fixed on the rotating shaft (21) of the motor (20). The drive gear (22) is connected to a threaded drive gear (23) through a multi-stage transmission of several driven gears. The threaded drive gear (23) is connected to the thread (6).
7. A mold for easy thread replacement according to claim 2, characterized in that, The upper mold (7) is provided with a top post (24) of the shaft core (10).
8. A mold for easy thread replacement according to claim 3, characterized in that, A plurality of support columns (25) are connected between the first connecting plate (2) and the fixed plate (13).
9. A mold for easy thread replacement according to claim 3, characterized in that, A plurality of support shafts (26) are connected between the first connecting plate (2) and the fixed plate (13), and springs (27) are sleeved on the support shafts (26).