Ram assembly and multi-point forming die

Abstract

The application relates to the technical field of molds, and particularly discloses a pressure head assembly and a multi-point forming mold. The pressure head assembly comprises a pressure head body, a motor, a screw rod, a screw sleeve and a supporting assembly. The motor is fixedly arranged on a mold base of the multi-point forming mold. The pressure head body is fixedly connected with the screw sleeve. The screw rod is threadedly connected with the screw sleeve. The supporting assembly comprises an intermediate shaft and a supporting shell. One end of the intermediate shaft is connected with an output shaft of the motor. A flat key is fixedly connected with the screw rod. The other end of the intermediate shaft is provided with a key groove. The length of the key groove is greater than that of the flat key. The flat key is slidably arranged in the key groove. The supporting shell is sleeved outside the intermediate shaft. The screw rod is provided with a flange. The supporting shell is used for supporting the flange. When stamping forming is carried out, the stamping force acts on the screw sleeve and the screw rod. At this time, the screw rod slides downward relative to the intermediate shaft. The flange of the screw rod is in contact with the supporting shell. The stamping force is borne by the supporting shell, so that the motor and other components are prevented from being damaged and failed due to bearing the stamping force.

Description

Technical Field

[0001] This invention relates to the field of mold technology, and in particular to a pressure head assembly and a multi-point forming mold. Background Technology

[0002] Multi-point forming dies combine multiple pressure head assemblies to create curved surfaces of different shapes, so that one die can meet the needs of stamping parts of different shapes. During the stamping process, the pressure head assembly needs to directly bear high stamping force, which can cause damage and failure of the pressure head assembly drive shaft system and surrounding bearings and other components. Summary of the Invention

[0003] The purpose of this invention is to provide a pressure head assembly and a multi-point forming die to reduce or avoid damage or failure of the transmission shaft system and surrounding components of the pressure head assembly due to the high stamping pressure during the stamping process.

[0004] This invention provides a pressure head assembly applied to a multi-point forming mold. The pressure head assembly includes a pressure head body, a motor, a screw, a screw sleeve, and a support assembly. The motor is fixedly mounted on the mold base of the multi-point forming mold. The pressure head body is fixedly connected to the screw sleeve, and the screw is threadedly connected to the screw sleeve. The support assembly includes an intermediate shaft and a support housing. One end of the intermediate shaft is connected to the output shaft of the motor. A flat key is fixedly connected to the screw, and a keyway is provided at the other end of the intermediate shaft. The length of the keyway is greater than the length of the flat key, and the flat key is slidably disposed within the keyway. The support housing is sleeved outside the intermediate shaft and is fixedly connected to the housing of the motor or to the mold base. The screw has a flange, and the support housing is used to support the flange.

[0005] As a preferred technical solution for the pressure head assembly, along the direction from the motor to the screw, a stop assembly, a bearing assembly, an end cover, an elastic element, and a combined clamp are sequentially arranged on the intermediate shaft. The stop assembly is fixedly connected to the intermediate shaft and axially limits the bearing assembly. The end cover abuts against the bearing assembly. The two ends of the elastic element abut against the end cover and the combined clamp, respectively. The elastic element is used to push the combined clamp to move away from the motor. A thrust bearing is provided between the combined clamp and the flange.

[0006] As a preferred technical solution for the pressure head assembly, the elastic element is a disc spring or a coil spring.

[0007] As a preferred technical solution for the pressure head assembly, the support housing includes a base and a pressure-bearing shell arranged coaxially. The base is fixedly connected to the housing of the motor or fixedly connected to the mold base. The pressure-bearing shell is disposed between the base and the flange and is fixedly connected to the base.

[0008] As a preferred technical solution for the pressure head assembly, the end cover is provided with an outer stop, and the base is provided with an inner stop, with the outer stop and the inner stop cooperating.

[0009] As a preferred technical solution for the pressure head assembly, the combined clamp includes a first half-ring and a second half-ring. The first half-ring and the second half-ring are fastened together. One of the first half-ring and the second half-ring is provided with a threaded hole, and the other is provided with a countersunk hole. After the first half-ring and the second half-ring are fastened together, the threaded hole and the countersunk hole are aligned. The fastener passes through the countersunk hole and is threadedly connected to the threaded hole.

[0010] As a preferred technical solution for the pressure head assembly, the pressure-bearing shell includes two half-shells, which are fastened together and both half-shells are fixedly connected to the base.

[0011] The present invention provides a multi-point forming mold, including an upper mold and a lower mold. Both the upper mold and the lower mold include a mold base and a pressure head assembly of any of the above-mentioned schemes. Multiple pressure head assemblies are configured and fixedly connected in a rectangular array within the mold base.

[0012] As a preferred technical solution for multi-point forming molds, it also includes multiple guide members, which are fixedly connected in a rectangular array within the mold base. Each guide member is connected to a threaded sleeve on both sides along a first direction and on both sides along a second direction. The threaded sleeve is slidably connected to the guide member and can slide along the height direction of the guide member. The first direction and the second direction are perpendicular.

[0013] As a preferred technical solution for multi-point forming molds, the threaded sleeve is a square threaded sleeve, and T-slots are provided at all four corners of the square threaded sleeve. The guide is provided with a T-block, and the T-block slides in conjunction with the T-slot.

[0014] The beneficial effects of this invention are as follows:

[0015] This invention provides a pressure head assembly. By setting a support component, during stamping, the stamping force is applied to the threaded sleeve and the screw. At this time, the screw slides downward relative to the central axis, and the flange of the screw contacts the support housing. The support housing bears the stamping force, avoiding damage and failure caused by the stamping force being borne by the motor and other components. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the structure of the multi-point forming mold in an embodiment of the present invention;

[0017] Figure 2 This is a schematic diagram of the lower mold structure in an embodiment of the present invention;

[0018] Figure 3 This is a top view of the lower mold in an embodiment of the present invention;

[0019] Figure 4 for Figure 3 A magnified view of the local structure;

[0020] Figure 5 This is a front view of the pressure head assembly in an embodiment of the present invention;

[0021] Figure 6 This is a top view of the square threaded sleeve in an embodiment of the present invention;

[0022] Figure 7 This is a schematic diagram of the guide component in an embodiment of the present invention;

[0023] Figure 8 This is a front view of the pressure head assembly in another embodiment of the present invention.

[0024] Figure 9 This is a cross-sectional view of the pressure head assembly in another embodiment of the present invention;

[0025] Figure 10 for Figure 9 Sectional view along direction AA;

[0026] Figure 11 This is a schematic diagram of the structure of a multi-point forming mold in another embodiment of the present invention.

[0027] In the picture:

[0028] 100. Pressure cylinder;

[0029] 1. Mold base;

[0030] 2. Press head assembly; 21. Motor; 22. Screw; 221. Flange; 222. Flat key; 23. Square thread sleeve; 231. Connecting groove; 24. Forming press head;

[0031] 3. Guide component; 31. Connecting block;

[0032] 4. Support assembly; 41. Intermediate shaft; 42. Angular contact bearing; 43. Thrust bearing; 44. Base; 45. Pressure shell; 451. Half shell; 46. Combined clamp; 461. First half ring; 462. Second half ring; 47. Disc spring; 481. End cap; 482. Seal; 491. Round nut; 492. Locking washer. Detailed Implementation

[0033] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Furthermore, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0036] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0037] like Figures 1-11As shown, this invention provides a multi-point forming mold, including an upper mold and a lower mold. The upper and lower molds adopt the same structure. During stamping, the lower mold is installed on the platform of the pressure equipment, and the upper mold is installed on the pressure cylinder 100 of the pressure equipment. Both the upper and lower molds include a mold base 1, multiple pressure head assemblies 2, and multiple guide members 3. For ease of description, this embodiment will be described using the lower mold as an example. The directions of each component involved are also the directions during the installation and use of the lower mold. The mold base 1 is set as a box structure with one end open. Multiple pressure head assemblies 2 are fixedly connected in a rectangular array inside the mold base 1. The pressure head assembly 2 includes a motor 21, a screw 22, a screw sleeve, and a forming pressure head 24. The motor 21 is used to drive the screw 22 to rotate. The screw 22 is threadedly connected to the screw sleeve. The forming pressure head 24 is located at the end of the screw 22 away from the motor 21 and extends out of the screw sleeve. The housing of the motor 21 is fixedly connected to the lower mold, and the forming pressure head 24 is used to stamp the workpiece. When adjusting the height of the forming pressure head 24, the motor 21 drives the screw 22 to rotate, and the screw 22 drives the threaded sleeve to rise and fall, thereby changing the height of the forming pressure head 24. By changing the height of the forming pressure head 24 of the multiple pressure head assemblies 2, the forming requirements of different curved surface parts can be met. Multiple guide members 3 are fixedly connected in a rectangular array inside the mold base 1. Threaded sleeves are connected to both sides of the guide members 3 along the first direction and both sides along the second direction. The first direction and the second direction are perpendicular, so the threaded sleeves of the multiple pressure head assemblies 2 are connected into a whole through the multiple guide members 3, thereby improving the lateral rigidity of the multi-point forming mold. Furthermore, the threaded sleeve is slidably connected to the guide member 3 and can slide along the height direction of the guide member 3, so that the guide member 3 guides the rising and falling of the threaded sleeve and ensures the accuracy of the rising and falling action of the threaded sleeve.

[0038] Alternatively, please refer to Figure 1 , Figure 2 and Figure 5 As shown, the forming head 24 is a spherical head, which is fixedly connected to the threaded sleeve, thus meeting the needs of complex curved surfaces or parts with large curvature. Please refer to... Figure 8 and Figure 11 As shown, the forming pressure head 24 can also be a square pressure head. A ball head is connected to the bottom of the square pressure head by a ball joint. The ball head is fixedly connected to the threaded sleeve, thereby meeting the needs of small curvature surfaces and parts with high surface quality requirements.

[0039] Furthermore, the threaded sleeve is configured as a square threaded sleeve 23, with a square outer contour. Connecting grooves 231 are provided at each of the four corners of the square threaded sleeve 23. The guide member 3 is provided with connecting blocks 31, which slide in conjunction with the connecting grooves 231. This arrangement ensures the lifting and lowering of the square threaded sleeve 23 while connecting multiple square threaded sleeves 23 into a whole, thereby strengthening the lateral structural strength. The connecting grooves 231 are T-shaped grooves, and the connecting blocks 31 are T-shaped blocks, which slide in conjunction with the T-shaped grooves. This configuration satisfies the sliding requirements while providing constraints for the square threaded sleeve 23 along the first or second direction, and simultaneously transmits the lateral force on the square threaded sleeve 23 to the surrounding guide members 3 and the square threaded sleeve 23.

[0040] Specifically, in this embodiment, the internal outline of the mold base 1 is square. In other embodiments, it can also be rectangular, circular, or elliptical, and is not limited thereto. The side length of the square outline inside the mold base 1 is an integer multiple of the side length of the square thread sleeve 23. Adjacent square thread sleeves 23 are directly fitted together, and the outermost square thread sleeve 23 is directly fitted to the inner sidewall of the mold base 1. That is, some square thread sleeves 23 provide lateral support through the mold base 1, reducing the number of guide members 3. At the same time, to avoid the guide members 3 occupying extra space, chamfers are provided at the four corners of the square thread sleeve 23. The chamfers are used to avoid the guide members 3, so that the guide members 3 are located within the chamfer of the square thread sleeve 23 and the space of the connecting groove 231, without occupying extra space in the mold base 1.

[0041] Specifically, such as Figure 7 As shown, the guide member 3 is provided with four connecting blocks 31, two of which are distributed along the first direction and the other two along the second direction. The guide member 3 has a cross-shaped structure, with the first and second directions being the diagonal directions of the corresponding square threaded sleeves 23. One guide member 3 connects four square threaded sleeves 23 simultaneously, and the four square threaded sleeves 23 are arranged in a 2×2 pattern. In this embodiment, the square threaded sleeves 23 are arranged in an n×n matrix, and the outer ring of the square threaded sleeves 23 is directly attached to the inner wall of the mold base 1. Therefore, in this embodiment, the guide member 3 is distributed in a (n-1)×(n-1) matrix. By reasonably setting the dimensions of the square threaded sleeves 23 and the mold base 1, the number of guide members 3 is reduced.

[0042] Furthermore, such as Figures 8-10As shown, the multi-point forming mold also includes a support assembly 4, which is mounted on the pressure head assembly 2. The support assembly 4 includes an intermediate shaft 41 and a support housing. The output shaft of the motor 21 drives the screw 22 to rotate via the intermediate shaft 41. A flat key 222 is fixedly connected to the screw 22 by bolts or screws. One end of the intermediate shaft 41 is keyed to the output shaft of the motor 21, and the other end of the intermediate shaft 41 has a keyway for engaging with the flat key 222 on the screw 22. The length of the keyway is greater than the length of the flat key 222, and the flat key 222 is slidably mounted within the keyway, allowing the screw 22 to slide up and down relative to the intermediate shaft 41. The support housing is fitted over the intermediate shaft 41 and is fixedly connected to the housing of the motor 21 or to the mold base 1. The screw 22 is provided with a flange 221, which is positioned above the flat key 222 and spaced apart from the upper end of the support housing. The support housing supports the flange 221. During stamping, the stamping force is applied to the screw sleeve and the screw 22. At this time, the screw 22 slides downward relative to the intermediate shaft 41, and the flange 221 of the screw 22 contacts the support housing. The support housing bears the stamping force, preventing damage or failure caused by the stamping force borne by the motor 21 and other components. The support housing includes a base 44 and a pressure-bearing shell 45 coaxially arranged. Both the base 44 and the pressure-bearing shell 45 are hollow bushing structures. The base 44 is fixedly connected to the housing of the motor 21 or fixedly connected to the mold base 1. The pressure-bearing shell 45 is positioned between the base 44 and the flange 221 and is fixedly connected to the base 44 by bolts.

[0043] Specifically, please refer to Figure 9 As shown, along the direction from motor 21 to screw 22, a stop assembly, a bearing assembly, an end cap 481, an elastic element, and a combined clamp 46 are sequentially arranged on the intermediate shaft 41. The stop assembly is fixedly connected to the intermediate shaft 41 and axially limits the bearing assembly. The bearing assembly includes two angular contact bearings 42 arranged side by side. The inner ring of the angular contact bearing 42 is fitted onto the intermediate shaft 41, and the outer ring mates with the base 44. By arranging the two angular contact bearings 42 side by side, the wear of the intermediate shaft 41 during rotation is reduced, and it can bear a certain axial load. The end cap 481 abuts against the angular contact bearings 42, and the two ends of the two angular contact bearings 42 are limited by the stop assembly and the end cap 481, respectively. The two ends of the elastic element abut against the end cap 481 and the combined clamp 46, respectively. A thrust bearing 43 is provided between the combined clamp 46 and the flange 221 of the screw 22. The thrust bearing 43 supports the screw 22 through the flange 221, preventing friction between the flange 221 and the pressure shell 45 during the rotation of the screw 22 driven by the intermediate shaft 41. The elastic element is used to push the combined clamp 46 to move away from the motor 21. When the pressure head assembly 2 is not under load, there is always a gap between the flange 221 of the screw 22 and the pressure shell 45.

[0044] Furthermore, during the stamping process, the stamping force on the press head body is transmitted to the screw 22 through the square thread sleeve 23, and then to the thrust bearing 43 and the combined clamp 46 through the flange 221 of the screw 22. Simultaneously, the stop assembly is fixed to the intermediate shaft 41, and the positions of the two angular contact bearings 42 and the end cap 481 remain unchanged. The thrust bearing 43 and the combined clamp 46 move downwards together and compress the elastic element. Since the screw 22 can slide up and down relative to the intermediate shaft 41, it slides downwards relative to the intermediate shaft 41 until the flange 221 contacts the pressure shell 45. The stamping force is supported by the pressure shell 45 and the base 44, preventing the thrust bearing 43 from being damaged due to prolonged exposure to high axial force. Therefore, in this embodiment, the stroke of the elastic element is set to be greater than or equal to the gap between the flange 221 of the screw 22 and the pressure shell 45, ensuring that the flange 221 can contact the pressure shell 45. After the stamping process is completed, the pressure head body is no longer subjected to external force. At this time, the elastic element returns to its original state and pushes the combined clamp 46 and thrust bearing 43 to slide upward relative to the intermediate shaft 41. This, in turn, pushes the screw 22 upward through the flange 221, ultimately driving the square thread sleeve 23 and the pressure head body to move upward, thus achieving a reset. It is understood that during the stamping process, multiple pressure head assemblies 2 are subjected to stamping force, therefore the surface shape and quality of the final formed part will not be changed. Furthermore, the downward stroke of the corresponding screw 22 can be compensated when adjusting the height of the pressure head body; the specific process will not be detailed here.

[0045] Optionally, the elastic element can be a helical spring or a disc spring 47. In this embodiment, the elastic element is preferably a disc spring 47 to reduce the axial space occupied, shorten the downward stroke of the screw 22, and enable the pressure shell 45 and the base 44 to provide support for the flange 221 of the screw 22 as soon as possible.

[0046] Specifically, the stop assembly includes a round nut 491 and a retaining washer 492. An external thread is provided on the intermediate shaft 41, and the round nut 491 is threadedly connected to the external thread. The retaining washer 492 locks the round nut 491 onto the intermediate shaft 41, thereby supporting and limiting the movement of the two angular contact bearings 42. A sealing element 482 is provided between the end cover 481 and the intermediate shaft 41 for sealing. The end cover 481 has an outer stop structure, and the base 44 has a corresponding inner stop structure. Thus, the end cover 481 is supported on the inner stop structure of the base 44 through the outer stop structure. The base 44 thus meets the axial support requirements for the end cover 481. In the initial stage of stamping, after the stamping force is transmitted to the end cover 481, it is supported by the base 44, preventing the angular contact bearings 42 from being damaged or failing due to frequent axial forces. Please refer to... Figure 10As shown, the combined clamp 46 is a split structure, comprising a first half-ring 461 and a second half-ring 462. When the first half-ring 461 and the second half-ring 462 are fastened together, they form the combined clamp 46, which is fitted over the intermediate shaft 41. One of the first half-rings 461 and 462 has a threaded hole, and the other has a countersunk hole. When the first half-rings 461 and 462 are fastened together, the threaded hole and the countersunk hole are aligned. Fasteners pass through the countersunk hole and are threaded into the threaded hole, thus fixing the first half-ring 461 and the second half-ring 462 together without occupying additional space. The split structure of the combined clamp 46 facilitates assembly and disassembly. The pressure shell 45 is also designed as a split structure, comprising two half-shells 451. The two half-shells 451 are fastened together to form the pressure shell 45. A flange structure is provided at the end of the pressure shell 45 closest to the base 44, with through holes on the flange structure and corresponding threaded holes on the base 44. After the two half-shells 451 are fastened together and fitted onto the outside of the combined clamp 46, the through holes on the flange structure align with the threaded holes on the base 44. Fasteners pass through the through holes and are threaded into the threaded holes, thus fixing the pressure shell 45 to the base 44. Designing the pressure shell 45 as a split structure facilitates disassembly and assembly. When maintenance or replacement of the thrust bearing 43 or the flat key 222 is required, it can be achieved by disassembling the pressure shell 45 and the combined clamp 46, simplifying maintenance.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A pressure head assembly for use in multi-point forming molds, characterized in that, include: Indenter body; Motor (21), the motor (21) is fixedly mounted on the mold base (1) of the multi-point forming mold; The screw sleeve and the screw rod (22) are provided, wherein the pressure head body is fixedly connected to the screw sleeve, and the screw rod (22) is threadedly connected to the screw sleeve; A support assembly (4) includes an intermediate shaft (41) and a support housing. One end of the intermediate shaft (41) is connected to the output shaft of the motor (21). A flat key (222) is fixedly connected to the screw (22). The other end of the intermediate shaft (41) is provided with a keyway. The length of the keyway is greater than the length of the flat key (222). The flat key (222) is slidably disposed in the keyway. The support housing is sleeved on the outside of the intermediate shaft (41). The support housing is fixedly connected to the housing of the motor (21) or fixedly connected to the mold base (1). The screw (22) is provided with a flange (221). The support housing is used to support the flange (221). 221) Support is provided along the direction from the motor (21) to the screw (22). The intermediate shaft (41) is provided with a stop assembly, a bearing assembly, an end cap (481), an elastic element and a combined clamp (46) in sequence. The stop assembly is fixedly connected to the intermediate shaft (41) and axially limits the bearing assembly. The end cap (481) abuts against the bearing assembly. The two ends of the elastic element abut against the end cap (481) and the combined clamp (46) respectively. The elastic element is used to push the combined clamp (46) to move away from the motor (21). A thrust bearing (43) is provided between the combined clamp (46) and the flange (221).

2. The pressure head assembly according to claim 1, characterized in that, The elastic element is a disc spring (47) or a helical spring.

3. The pressure head assembly according to claim 1, characterized in that, The supporting shell includes a base (44) and a pressure shell (45) arranged coaxially. The base (44) is fixedly connected to the housing of the motor (21) or fixedly connected to the mold base (1). The pressure shell (45) is disposed between the base (44) and the flange (221). The pressure shell (45) is fixedly connected to the base (44).

4. The pressure head assembly according to claim 3, characterized in that, The end cap (481) is provided with an outer stop, and the base (44) is provided with an inner stop, the outer stop and the inner stop being engaged.

5. The pressure head assembly according to claim 3, characterized in that, The combined clamp (46) includes a first half-ring (461) and a second half-ring (462). The first half-ring (461) and the second half-ring (462) are fastened together. One of the first half-ring (461) and the second half-ring (462) is provided with a threaded hole, and the other is provided with a countersunk hole. After the first half-ring (461) and the second half-ring (462) are fastened together, the threaded hole and the countersunk hole are aligned. The fastener passes through the countersunk hole and is threadedly connected to the threaded hole.

6. The pressure head assembly according to claim 5, characterized in that, The pressure-bearing shell (45) includes two half-shells (451), which are fastened together and both half-shells (451) are fixedly connected to the base (44).

7. A multi-point forming mold, characterized in that, It includes an upper mold and a lower mold, both of which include a mold base (1) and a pressure head assembly (2) as described in any one of claims 1-6. The pressure head assembly (2) is configured as a plurality of such assemblies, which are fixedly connected in a rectangular array within the mold base (1).

8. The multi-point forming mold according to claim 7, characterized in that, It also includes multiple guide members (3), which are fixedly connected in a rectangular array within the mold base (1). Each guide member (3) is connected to a threaded sleeve on both sides along a first direction and on both sides along a second direction. The threaded sleeve is slidably connected to the guide member (3) and can slide along the height direction of the guide member (3). The first direction and the second direction are perpendicular.

9. The multi-point forming mold according to claim 8, characterized in that, The threaded sleeve is a square threaded sleeve (23), and the four corners of the square threaded sleeve (23) are provided with T-shaped grooves. The guide member (3) is provided with a T-shaped block, and the T-shaped block slides in conjunction with the T-shaped groove.

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