A splicable terminal block forming casting mold

Abstract

The present invention relates to the technical field related to molding and casting, and specifically to a splicable terminal block molding and casting mold. The splicable terminal block molding and casting mold includes an upper mold structure and a lower mold structure, and is characterized in that: the lower mold structure includes a lower mold base, a mold detachable module and a fastener, a positioning screw is installed on the lower mold base, a mounting hole is opened on the mold detachable module, and the mold detachable module is positioned on the positioning screw through the mounting hole, the side of the positioning screw is cut to form a plane, a constraint groove is opened on the plane, and the mold detachable module is positioned by the fastener; by setting the lower mold structure on the splicable terminal block molding and casting mold to be composed of a lower mold base, a mold detachable module and a fastener, the splicable terminal block molding and casting mold can be used to process different types of terminal blocks by replacing different types of mold detachable modules, thereby effectively improving the versatility of the mold.

Description

Technical Field

[0001] The invention relates to the technical field related to molding and casting, and in particular to a splicable molding and casting mold for a terminal block. Background Art

[0002] Terminal blocks are an accessory product used to achieve electrical connections, and are classified as connectors in the industry. With the increasing degree of industrial automation and the increasingly stringent and precise requirements for industrial control, the use of terminal blocks has gradually increased;

[0003] The existing Chinese patent document with the announcement number CN219425593U discloses a splicable terminal block forming mold, which includes a support assembly and a mold assembly, wherein the support assembly includes a support frame and a plurality of guide rods, wherein the support frame is horizontally arranged, and a plurality of legs are vertically fixed downward on the bottom surface of the support frame, and a plurality of guide rods are vertically fixed upward on the top surface of the support frame, and the mold assembly includes an upper mold and a lower mold, wherein a lower mold is horizontally arranged just above the upper mold, and a plurality of plug-in sheets are horizontally fixed on the outer end surfaces of the upper mold and the lower mold, and the mold assembly is horizontally arranged with a plurality of plug-in sheets along the vertical direction, and the plug-in sheets on the plurality of mold assemblies are slidably plugged and matched with the guide rods;

[0004] However, the structures used for connection are all ordinary bolt structures, and the upper and lower molds will generate a certain degree of mechanical vibration when they move relative to each other. Under the influence of mechanical vibration, the ordinary bolt structure will have the hidden danger of loosening, resulting in the production of defective products, thereby leading to an increase in production costs. For this reason, the present invention proposes a splicable terminal block molding casting mold to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a splicable terminal block forming casting mold to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a splicable terminal block forming casting mold, the splicable terminal block forming casting mold comprising an upper mold structure and a lower mold structure, characterized in that: the lower mold structure comprises:

[0007] A lower die base, on which a positioning screw is installed;

[0008] A mold detachable module, wherein a mounting hole is provided on the mold detachable module, and the mold detachable module is positioned on a positioning screw through the mounting hole, and the side of the positioning screw is cut to form a plane, and a restraining groove is provided on the plane;

[0009] The mold detachable module is positioned by the fastener, and the fastener is composed of a fastening nut and a nut constraint mechanism. The nut constraint mechanism is used to constrain the fastening nut to be positioned on the positioning screw.

[0010] Preferably, the fastening nut is screwed and installed on the positioning screw, and an air avoidance groove is opened at the upper port of the threaded hole on the fastening nut, a constraint mechanism installation groove is opened on the side wall of the fastening nut, the upper side end of the constraint mechanism installation groove is connected to the air avoidance groove, and adapter grooves are correspondingly opened on the left and right side walls of the constraint mechanism installation groove, and a spring hole is opened on the inner side wall of the constraint mechanism installation groove, and the nut constraint mechanism is composed of a constraint clamping plate, a rotating shaft and a support spring combination.

[0011] Preferably, the rotating shaft is rotatably installed between the adapter grooves, the constraint card is in an inverted L-shape, and a rotation hole is opened on the constraint card, the rotation hole and the adapter groove are arranged correspondingly, the constraint card is rotatably installed on the rotating shaft, the support spring is movably arranged in the spring hole, and the outer end of the support spring is connected to the lower end of the constraint card, and the thickness value of the constraint card is consistent with the width value of the constraint groove.

[0012] Preferably, when the support spring is in a reset state, the lower side end of the constraint card extends to the outside of the constraint mechanism installation groove, the upper side end of the constraint card extends inward, and the upper side end of the constraint card is embedded in the constraint groove.

[0013] Preferably, after the wrench is put on the fastening nut, the lower side end of the constraint clamp is completely retracted into the constraint mechanism installation groove under the action of the wrench, and at this time, the upper side end of the constraint clamp is completely retracted into the constraint mechanism installation groove.

[0014] Preferably, the rotating shaft is composed of a first shaft body, a second shaft body and a connecting spring. The inner sides of the first shaft body and the second shaft body are provided with spring grooves. The two ends of the connecting spring are fixedly glued to the bottom of the spring grooves on the first shaft body and the second shaft body respectively. When the connecting spring is in a reset state, the first shaft body and the second shaft body are respectively embedded in the adapter grooves on the left and right side walls of the constraint mechanism installation groove. The sum of the length values ​​of the first shaft body and the second shaft body is less than the thickness value of the constraint clamping plate.

[0015] Preferably, the adapter groove is provided with an alignment groove in the direction toward the opening side of the constraint mechanism installation groove, the width value of the alignment groove coincides with the diameter value of the adapter groove, and the depth value of the alignment groove is less than half of the depth value of the adapter groove.

[0016] Preferably, a docking hole is provided on the lower die base, and the positioning screw is detachably installed in the docking hole.

[0017] Preferably, a guide groove, a turning groove and a snap-fit ​​groove are provided on the side wall of the docking hole, the lower half of the positioning screw is not threaded, and a snap-fit ​​protrusion is integrally formed on the side wall of the lower side end of the positioning screw, and a support spring is fixedly welded to the lower end face of the positioning screw, the guide groove and the snap-fit ​​groove are symmetrically arranged in a group, and the guide groove and the snap-fit ​​groove are connected with the turning groove, the guide groove and the snap-fit ​​groove are arranged in a cross shape, and the cross-sectional dimensions of the guide groove and the snap-fit ​​groove are consistent, the snap-fit ​​protrusion is symmetrically arranged in a group, and the size of the snap-fit ​​protrusion is consistent with the size of the snap-fit ​​groove, when the positioning screw is actually installed, the snap-fit ​​protrusion is embedded in the snap-fit ​​groove, and at this time, the support spring is in a compressed state.

[0018] Preferably, the engaging protrusion and the restraining groove are arranged to be aligned with each other, and the edge of the end of the engaging groove is chamfered.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. By setting the lower mold structure on the splicable terminal block forming casting mold to be composed of a lower mold base, a mold detachable module and a fastener, different types of mold detachable modules can be replaced to realize the splicable terminal block forming casting mold to process different types of terminal blocks, thereby effectively improving the versatility of the mold;

[0021] 2. The fastener is configured to be composed of a fastening nut and a nut constraint mechanism, a constraint groove is opened on the positioning screw, and an air avoidance groove and a constraint mechanism installation groove are opened on the fastening nut, and the nut constraint mechanism is configured to be composed of a constraint card, a rotating shaft and a support spring, so that the constraint card is embedded in the constraint groove, so that a relative locking effect is formed between the fastening nut and the positioning screw, thereby preventing the fastening nut from loosening, thereby effectively ensuring the installation stability of the mold detachable module on the lower mold base. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 A half-section view of the present invention;

[0024] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0025] Figure 4 for Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0026] Figure 5 This is a schematic diagram of the positioning screw structure of the present invention;

[0027] Figure 6 for Figure 5 A magnified schematic diagram of the structure at C in the middle;

[0028] Figure 7 A half-section view of a fastening nut of the present invention;

[0029] Figure 8 for Figure 7 A magnified schematic diagram of the structure at D in the middle;

[0030] Fig. 9 A half-section view of a restraining card plate of the present invention;

[0031] Fig.10 for Fig. 9 The enlarged schematic diagram of the structure at E in the middle;

[0032] Fig.11 This is a schematic diagram of disassembly and assembly of the fastening nut of the present invention;

[0033] Fig.12 for Fig.11 Enlarged schematic diagram of the structure at F in the middle.

[0034] In the figure: lower die base 1, detachable die module 2, fastener 3, positioning screw 4, fastening nut 5, nut constraint mechanism 6, constraint mechanism mounting groove 7, adapter groove 8, spring hole 9, air avoidance groove 10, constraint clamping plate 11, rotating shaft 12, supporting spring 13, rotating hole 14, wrench 15, alignment groove 16, first shaft 17, second shaft 18, connecting spring 19, spring groove 20, mounting hole 21, docking hole 22, guide groove 23, steering groove 24, engaging groove 25, engaging protrusion 26, supporting spring 27, constraint groove 28. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1-12 The present invention provides the following four preferred embodiments:

[0037] Embodiment 1

[0038] A splicable terminal block forming casting mold, the splicable terminal block forming casting mold comprises an upper mold structure and a lower mold structure, characterized in that: the lower mold structure comprises a lower mold base 1, a mold detachable module 2 and a fastener 3, a positioning screw 4 is installed on the lower mold base 1, a mounting hole 21 is provided on the mold detachable module 2, and the mold detachable module 2 is positioned on the positioning screw 4 through the mounting hole 21, the side of the positioning screw 4 is cut to form a plane, a constraint groove 28 is provided on the plane, the mold detachable module 2 is positioned by the fastener 3, and the fastener 3 is composed of a fastening nut 5 and a nut constraint mechanism 6, the nut constraint mechanism 6 is used to constrain the fastening nut 5 to be positioned on the positioning screw 4, by setting the lower mold structure on the splicable terminal block forming casting mold to be composed of a lower mold base 1, a mold detachable module 2 and a fastener 3, so that by replacing different types of mold detachable modules 2, the splicable terminal block forming casting mold can be used to process different types of terminal blocks, thereby effectively improving the versatility of the mold.

[0039] Embodiment 2

[0040] On the basis of Example 1, the fastening nut 5 is screwed and installed on the positioning screw 4, and an air avoidance groove 10 is opened at the upper end of the threaded hole on the fastening nut 5, and a constraint mechanism installation groove 7 is opened on the side wall of the fastening nut 5. The upper side end of the constraint mechanism installation groove 7 is connected to the air avoidance groove 10, and the left and right side walls of the constraint mechanism installation groove 7 are correspondingly opened with adapter grooves 8, and the inner side wall of the constraint mechanism installation groove 7 is opened with a spring hole 9, and the nut constraint mechanism 6 is composed of a constraint clamping plate 11, a rotating shaft 12 and a support spring 13.

[0041] The rotating shaft 12 is rotatably installed between the adapter grooves 8, the constraint card plate 11 is in an inverted L shape, and a rotating hole 14 is opened on the constraint card plate 11, and the rotating hole 14 is arranged corresponding to the adapter groove 8. The constraint card plate 11 is rotatably installed on the rotating shaft 12, and the support spring 13 is movably arranged in the spring hole 9, and the outer end of the support spring 13 is connected to the lower end of the constraint card plate 11, and the thickness value of the constraint card plate 11 is consistent with the width value of the constraint groove 28. When the support spring 13 is in the reset state, the lower side end of the constraint card plate 11 extends to the outside of the constraint mechanism installation groove 7, and the upper side end of the constraint card plate 11 extends inward, and the upper side end of the constraint card plate 11 is embedded in the constraint groove 28.

[0042] After the wrench 15 is put on the fastening nut 5, the lower side end of the constraint clamp 11 is completely retracted into the constraint mechanism installation groove 7 under the action of the wrench 15, and at this time, the upper side end of the constraint clamp 11 is completely retracted into the constraint mechanism installation groove 7, by configuring the fastener 3 to be composed of a fastening nut 5 and a nut constraint mechanism 6, and opening a constraint groove 28 on the positioning screw 4, and opening an air avoidance groove 10 and a constraint mechanism installation groove 7 on the fastening nut 5, and configuring the nut constraint mechanism 6 to be composed of a constraint clamp 11, a rotating shaft 12 and a support spring 13, so that the constraint clamp 11 is embedded in the constraint groove 28, so that a relative locking effect is formed between the fastening nut 5 and the positioning screw 4, thereby preventing the fastening nut 5 from loosening, thereby effectively ensuring the installation stability of the mold detachable module 2 on the lower mold base 1.

[0043] Embodiment 3

[0044] On the basis of the second embodiment, the rotating shaft 12 is composed of a first shaft body 17, a second shaft body 18 and a connecting spring 19. The inner sides of the first shaft body 17 and the second shaft body 18 are provided with spring grooves 20. The two ends of the connecting spring 19 are fixedly glued to the bottom of the spring grooves 20 on the first shaft body 17 and the second shaft body 18 respectively. When the connecting spring 19 is in the reset state, the first shaft body 17 and the second shaft body 18 are respectively embedded in the adapter grooves 8 on the left and right side walls of the constraint mechanism installation groove 7. The sum of the length values ​​of the first shaft body 17 and the second shaft body 18 is less than the thickness value of the constraint clamping plate 11. By setting the rotating shaft 12 to be composed of the first shaft body 17, the second shaft body 18 and the connecting spring 19, the rotating shaft 12 can be easily disassembled and assembled.

[0045] An alignment groove 16 is provided on the adapter groove 8 in the direction of the opening side of the constraint mechanism mounting groove 7. The width of the alignment groove 16 matches the diameter of the adapter groove 8, and the depth of the alignment groove 16 is less than half of the depth of the adapter groove 8. The alignment groove 16 is provided to facilitate the alignment and insertion of the first shaft body 17 and the second shaft body 18 into the adapter groove 8.

[0046] Embodiment 4

[0047] On the basis of the third embodiment, a docking hole 22 is provided on the lower die base 1 , and the positioning screw 4 is detachably installed in the docking hole 22 .

[0048] A guide groove 23, a steering groove 24 and a snap-fit ​​groove 25 are provided on the side wall of the docking hole 22. The lower half of the positioning screw 4 is not provided with a thread, and a snap-fit ​​protrusion 26 is integrally formed on the lower side wall of the positioning screw 4. A top support spring 27 is fixedly welded to the lower end surface of the positioning screw 4. The guide groove 23 and the snap-fit ​​groove 25 are symmetrically arranged in a group, and the guide groove 23 and the snap-fit ​​groove 25 are connected to the steering groove 24. There is a cross section between the guide groove 23 and the snap-fit ​​groove 25. The locating screw 4 is arranged in a ". " shape, and the cross-sectional dimensions of the guide groove 23 and the engaging groove 25 are consistent. A group of engaging protrusions 26 are symmetrically arranged, and the dimensions of the engaging protrusions 26 are consistent with the dimensions of the engaging groove 25. When the positioning screw 4 is actually installed, the engaging protrusions 26 are embedded in the engaging groove 25, and at this time, the supporting spring 27 is in a compressed state. The detachable installation of the positioning screw 4 can facilitate the replacement of the positioning screw 4 after the thread on the positioning screw 4 is damaged.

[0049] The engaging protrusion 26 and the restraining groove 28 are relatively aligned. The alignment of the engaging protrusion 26 and the restraining groove 28 can facilitate the determination of the orientation of the engaging protrusion 26. The edge of the end of the engaging groove 25 is chamfered. The chamfering of the edge of the end of the engaging groove 25 can facilitate the embedding of the engaging protrusion 26 into the engaging groove 25.

[0050] Working principle: During actual use, the staff inserts the engaging protrusion 26 along the guide groove 23, and then rotates the engaging protrusion 26 along the turning groove 24 to the engaging groove 25, and uses the force of the supporting spring 27 to make the engaging protrusion 26 stably rest in the engaging groove 25, and then positions the mold detachable module 2 on the positioning screw 4, and then clamps the fastening nut 5 in the wrench 15, and then uses the wrench 15 to screw the fastening nut 5 on the positioning screw 4.

[0051] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A splicable terminal block forming casting mold, the splicable terminal block forming casting mold comprising an upper mold structure and a lower mold structure, characterized in that: The lower mold structure comprises: A lower die base (1), wherein a positioning screw (4) is mounted on the lower die base (1); A detachable mold module (2), wherein a mounting hole (21) is provided on the detachable mold module (2), and the detachable mold module (2) is positioned on a positioning screw (4) through the mounting hole (21), and the side of the positioning screw (4) is cut to form a plane, and a restraining groove (28) is provided on the plane; A fastener (3), wherein the mold detachable module (2) is positioned by the fastener (3), and the fastener (3) is composed of a fastening nut (5) and a nut restraining mechanism (6), and the nut restraining mechanism (6) is used to restrain the fastening nut (5) to be positioned on the positioning screw (4); The fastening nut (5) is screwed and installed on the positioning screw (4), and an air avoidance groove (10) is opened at the upper end of the threaded hole on the fastening nut (5), a constraint mechanism installation groove (7) is opened on the side wall of the fastening nut (5), the upper side end of the constraint mechanism installation groove (7) is connected to the air avoidance groove (10), the left and right side walls of the constraint mechanism installation groove (7) are correspondingly opened with adapter grooves (8), and the inner side wall of the constraint mechanism installation groove (7) is opened with a spring hole (9), and the nut constraint mechanism (6) is composed of a constraint clamping plate (11), a rotating shaft (12) and a support spring (13); The rotating shaft (12) is rotatably mounted between the transfer grooves (8); the restraining card plate (11) is in an inverted L-shape, and a rotation hole (14) is provided on the restraining card plate (11), and the rotation hole (14) is arranged correspondingly to the transfer groove (8); the restraining card plate (11) is rotatably mounted on the rotating shaft (12); the supporting spring (13) is movably arranged in the spring hole (9), and the outer end of the supporting spring (13) is connected to the lower end of the restraining card plate (11); and the thickness value of the restraining card plate (11) matches the width value of the restraining groove (28).

2. The mold for forming a splicable terminal block according to claim 1, characterized in that: When the support spring (13) is in a reset state, the lower end of the constraint card plate (11) extends to the outside of the constraint mechanism installation groove (7), the upper end of the constraint card plate (11) extends inward, and the upper end of the constraint card plate (11) is embedded in the constraint groove (28).

3. The mold for forming a splicable terminal block according to claim 2, characterized in that: After the wrench (15) is put on the fastening nut (5), the lower side end of the constraint clamp (11) is completely retracted into the constraint mechanism installation groove (7) under the action of the wrench (15), and at this time, the upper side end of the constraint clamp (11) is completely retracted into the constraint mechanism installation groove (7).

4. The mold for forming a splicable terminal block according to claim 3, characterized in that: The rotating shaft (12) is composed of a first shaft body (17), a second shaft body (18) and a connecting spring (19). The inner sides of the first shaft body (17) and the second shaft body (18) are provided with spring grooves (20). The two ends of the connecting spring (19) are respectively fixedly glued to the bottoms of the spring grooves (20) on the first shaft body (17) and the second shaft body (18). When the connecting spring (19) is in a reset state, the first shaft body (17) and the second shaft body (18) are respectively embedded in the adapter grooves (8) on the left and right side walls of the constraint mechanism installation groove (7). The sum of the lengths of the first shaft body (17) and the second shaft body (18) is less than the thickness of the constraint clamping plate (11).

5. The mold for forming a splicable terminal block according to claim 4, characterized in that: The adapter groove (8) is provided with an alignment groove (16) in a direction toward the opening side of the restraint mechanism installation groove (7), the width of the alignment groove (16) matches the diameter of the adapter groove (8), and the depth of the alignment groove (16) is less than half of the depth of the adapter groove (8).

6. The mold for forming a splicable terminal block according to claim 5, characterized in that: The lower die base (1) is provided with a docking hole (22), and the positioning screw (4) is detachably mounted in the docking hole (22).

7. The mold for forming a splicable terminal block according to claim 6, characterized in that: The side wall of the docking hole (22) is provided with a guide groove (23), a steering groove (24) and a snap-fit ​​groove (25); the lower half of the positioning screw (4) is not provided with a thread, and a snap-fit ​​protrusion (26) is integrally formed on the lower side wall of the positioning screw (4); a supporting spring (27) is fixedly welded to the lower end surface of the positioning screw (4); the guide groove (23) and the snap-fit ​​groove (25) are symmetrically arranged in a group, and the guide groove (23) and the snap-fit ​​groove (25) are aligned with the steering groove. (24) are arranged in communication with each other, the guide groove (23) and the engaging groove (25) are arranged in a cross shape, and the cross-sectional dimensions of the guide groove (23) and the engaging groove (25) are consistent with each other, and the engaging protrusions (26) are symmetrically arranged in a group, and the dimensions of the engaging protrusions (26) are consistent with the dimensions of the engaging grooves (25). When the positioning screw (4) is actually installed, the engaging protrusions (26) are embedded in the engaging grooves (25), and at this time, the supporting spring (27) is in a compressed state.

8. The mold for forming and casting a splicable terminal block according to claim 7, characterized in that: The engaging protrusion (26) and the restraining groove (28) are arranged to be aligned with each other, and the edge of the end of the engaging groove (25) is chamfered.

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