Composite core-pulling mechanism for forming of barrier handle and forming mold of composite core-pulling mechanism

Abstract

The utility model discloses a composite core-pulling mechanism for forming a gear handle and a forming die thereof. The composite core-pulling mechanism comprises a side forming block, a first die core, a second die core and a first linear actuating module, wherein the side forming block is arranged in the extending direction of a transmission part of the gear handle; the first die core and the second die core are arranged in the side forming block in a penetrating manner; the first mold core is arranged in the extending direction of the transmission part, and the second mold core is vertically arranged and is inclined to the first mold core; a first diagonal draw bar which is actuated by mold opening force is arranged in the side forming block in a penetrating manner, and the first diagonal draw bar obliquely extends into the second mold core; the transmission part is provided with a transmission inverted buckle component which is arranged in the extending direction of the transmission part in an inclined mode, the first mold core and the second mold core are respectively provided with an inverted buckle parting surface which is arranged corresponding to the transmission inverted buckle component, and the first mold core defines a forward demolding parting surface which is arranged in the extending direction of the transmission part through the inverted buckle parting surfaces. The second mold core defines an undercut parting surface.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould forming equipment technical field, concretely relates to a kind of composite core-pulling mechanism and its forming mould for handle of holding off. BACKGROUND

[0002] At present, in the mould forming of handle of holding off, handle of holding off is usually split into two split housings, and the two split housings constitute the overall outer contour of handle of holding off by splicing, and for the transmission part in handle of holding off, in order to ensure the stability of transmission and assembly, the transmission part is usually integrally formed on one split housing of handle of holding off, and in addition to the linearly extending transmission main body, the transmission part also has a plurality of transmission undercut members on its surface, which causes the molding block corresponding to the transmission part to be unable to be demolded at one time, and in the prior art, for the molding of the transmission part with a plurality of undercut members, a plurality of inclined pull structures are usually arranged in the molding block, each inclined pull structure corresponds to an undercut member, which causes the structure inside the molding block to be too complex, the number of sliding parts in the demolding and clamping process is large, and the manufacturing difficulty of the molding block is increased. SUMMARY

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a composite core-pulling mechanism and its forming mould for handle of holding off.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a composite core-pulling mechanism for handle of holding off, comprising: a side molding block arranged along the extension direction of the transmission part of handle of holding off, a first mold core and a second mold core arranged in the side molding block, and a first linear actuator module for providing linear power to the side molding block.

[0005] The first mold core is arranged in the extension direction of the transmission part, the second mold core is arranged perpendicular to the extension direction of the transmission part, and the second mold core is inclined to the first mold core; the side molding block is provided with a first inclined pull rod actuated by opening force, and the first inclined pull rod is inclined and extends into the second mold core.

[0006] The transmission part is provided with a transmission undercut member inclined to the extension direction thereof, the first mold core and the second mold core are respectively provided with undercut split surfaces corresponding to the transmission undercut member, the first mold core defines a straight demolding surface arranged along the extension direction of the transmission part through the undercut split surface, and the second mold core defines a undercut split surface arranged along the extension direction of the transmission undercut member through the undercut split surface.

[0007] Further, the side forming block is provided with an open mounting area, the first inclined pull rod and the second mold core are arranged in the mounting area, the mounting area is provided with a limiting surface abutting against the sliding surface of the second mold core, the limiting surface is integrally formed on the side forming block, and / or a limiting pressing block is arranged on the mounting area, and the limiting surface is formed on the bottom of the limiting pressing block.

[0008] Further, the second mold core is further provided with a forming insert and a transmission insert corresponding to the transmission reverse buckle component, and a first channel and a second channel, the first channel and the second channel are intersected, the forming insert is arranged in the first channel, the transmission insert is arranged in the second channel, and the forming insert is provided with a transmission gap for stopping the transmission insert.

[0009] Further, the second mold core is provided with an inclined pull channel for the first inclined pull rod, and at least one first channel or second channel is communicated to the inclined pull channel, and the first inclined pull rod is provided with a guide inclined surface matched with the forming insert.

[0010] Further, the first mold core and the second mold core are provided with a connecting convex portion outside the forming contour of the handle, and a connecting concave portion corresponding to the connecting convex portion.

[0011] Further, the first mold core is further provided with a first core, the first core is arranged in the same direction as the first mold core, and forms an inner hole of the transmission part.

[0012] The application also provides a forming mold for forming a handle, comprising the composite core-pulling mechanism, further comprising: an upper mold set and a lower mold set, a front forming block and a rear forming block arranged between the upper mold set and the lower mold set, a second core arranged between the front forming block and the rear forming block, and a forming cavity formed between the front forming block, the rear forming block, the side forming block and the second core.

[0013] The handle comprises a cylindrical body and an open shell sequentially extended on the cylindrical body, the transmission part is obliquely extended on the open shell, and the open shell is provided with a plurality of spliced reverse buckle components.

[0014] Further comprising:

[0015] The first forming mold set comprises a second linear actuation mold set connected to the front forming block;

[0016] The second forming mold set comprises a plurality of forming columns arranged in the rear forming block, a transmission column connected to the rear side of the forming column, and a third linear actuation module for providing linear actuation force, the rear end of the forming column is hinged to the transmission column, the first linear actuation module is in transmission connection with the transmission column, and the forming column forms a forming surface of the spliced reverse buckle component in the forming cavity.

[0017] The third forming die set comprises a fourth linear actuating module connected with the second core;

[0018] The side forming block is obliquely arranged between the front forming block and the rear forming block, and the second core is arranged between the front forming block and the rear forming block.

[0019] Further, the side forming block is provided with a positioning convex part opposite to the rear forming block, and the rear forming block is provided with a positioning concave part corresponding to the positioning convex part.

[0020] Further, the second die core is provided with an overflow port connected to the rear forming block.

[0021] Further, the transmission part is further provided with a secondary undercut member arranged away from the second die core.

[0022] The first forming die set further comprises a third die core arranged in the front forming block, and a second inclined pull rod arranged on the third die core, and the upper die set is further provided with an inclined guide block abutting against the back of the third die core, the second inclined pull rod is fixed on the inclined guide block, and the inclined guide block and the third die core are provided with oppositely arranged inclined guide surfaces.

[0023] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0024] The split type die core structure is adopted, the first die core and the second die core are accurately positioned through the connecting convex and concave parts, and the first die core and the second die core are separately machined and assembled, so that the machining precision of the formed component and the maintenance and replacement cost are improved.

[0025] The linear extension main body of the transmission part and the inclined undercut member are separated by the parting surface through the orthogonal and inclined arrangement of the first die core and the second die core, the first die core defines the smooth parting surface, and the first die core is demoulded along the extension direction of the transmission part without interference; the second die core is driven along the inclined direction of the undercut member by the opening force of the first inclined pull rod, that is, the second die core is also demoulded along the smooth direction of the transmission undercut member, so that the plurality of transmission undercut members on the transmission part can be formed and demoulded through the one-time completion of the multi-undercut structure, and the sliding parts are reduced and the mechanism complexity is simplified compared with the traditional multi-inclined pull structure. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure schematic view of the utility model;

[0027] Figure 2 It is a structure schematic view of the lower die set of the utility model;

[0028] Figure 3 It is a structure schematic view of the upper die set of the utility model;

[0029] Figure 4It is the structure schematic view of side forming block of the utility model;

[0030] Figure 5 It is the forming schematic view of first die core and transmission part of the utility model;

[0031] Figure 6 It is the explosion schematic view of first die core and second die core of the utility model;

[0032] Figure 7 It is the explosion schematic view of composite core-pulling mechanism of the utility model;

[0033] Figure 8 It is the explosion schematic view of composite core-pulling mechanism of the utility model from another angle;

[0034] Figure 9 It is the structure schematic view of first forming die set of the utility model;

[0035] Figure 10 It is the explosion schematic view of first forming die set of the utility model;

[0036] Figure 11 It is the explosion schematic view of first forming die set of the utility model from another angle;

[0037] Figure 12 It is the sectional view of first forming die set of the utility model;

[0038] Figure 13 It is the explosion view of third forming die set of the utility model;

[0039] Figure 14 It is the explosion view of second forming die set of the utility model;

[0040] Figure 15 It is the explosion view of second forming die set of the utility model from another angle;

[0041] Figure 16 It is the sectional view of second forming die set of the utility model;

[0042] Figure 17 It is the forming schematic view of second die core of the utility model;

[0043] Figure 18 It is the structure schematic view of second die core of the utility model;

[0044] In the drawing: 1, handle; 1.1, transmission part; 1.11, transmission reverse buckle component; 1.12, inner hole; 1.2, cylindrical main body; 1.3, open shell; 1.4, spliced reverse buckle component; 1.5, auxiliary reverse buckle component;

[0045] 2, side forming block; 2.1, positioning convex part; 2.2, first forming channel; 2.3, second forming channel; 2.4, extension pressing block; 2.5, limiting step;

[0046] 3, first die core; 3.1, follow-up parting surface; 3.2, first core; 3.3, connecting concave part;

[0047] 4, second die core; 4.1, reverse parting surface; 4.2, forming insert; 4.21, transmission opening; 4.3, transmission insert; 4.4, first channel; 4.5, second channel; 4.6, inclined pull channel; 4.7, connecting convex part; 4.8, overflow port; 4.9, matching inclined surface;

[0048] 5, first linear actuation module;

[0049] 6, mounting area; 6.1, limiting surface; 6.2, limiting pressing block;

[0050] 7, first inclined pull rod; 7.1, guide inclined surface;

[0051] 8, upper die set; 8.1, abutting inclined surface; 9, lower die set; 10, front forming block; 11, rear forming block; 11.1, positioning concave part; 12, second core;

[0052] 13, first forming die set; 13.1, second linear actuation module; 13.2, third die core; 13.3, second inclined pull rod; 13.4, inclined guide block; 13.5, inclined guide surface; 13.6, front pull rod;

[0053] 14, second forming die set; 14.1, forming column; 14.2, transmission column; 14.3, third linear actuation module; 14.4, transmission seat; 14.5, sliding block; 14.6, hinged groove; 14.7, pin unit; 14.8, guide block; 14.9, guide through port; 15, third forming die set; 15.1, fourth linear actuation module; DETAILED DESCRIPTION

[0054] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0055] It should be understood that although the terms upper, middle, lower, top end, one end, etc. appear in the present text to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for the purpose of understanding, and are not used to define any direction or sequence limitation.

[0056] As shown in Figures 1-18 , a compound core-pulling mechanism for forming a gear lever 1, comprising:

[0057] a side forming block 2 arranged along the extension direction of a transmission part 1.1 of the gear lever 1, a first core pin 3 and a second core pin 4 arranged in the side forming block 2, and a first linear actuating module 5 for providing linear power to the side forming block 2;

[0058] The first core pin 3 is arranged along the extension direction of the transmission part 1.1 and is consistent with the actuating direction of the first linear actuating module 5, i.e. the first core pin 3 performs demolding action with the side forming block 2;

[0059] The second core pin 4 is arranged perpendicularly to the extension direction of the transmission part 1.1, wherein the gear lever 1 has inclination and deflection in the height direction due to its shape characteristics, and the second core pin 4 is arranged obliquely to the first core pin 3 so as to adapt to the arrangement direction of the transmission part 1.1 and its transmission undercut component 1.11 in the mold cavity;

[0060] As shown in Figures 4 to 8 , as a further explanation of the demolding action of the second core pin 4 in the side forming block 2, a first inclined pull rod 7 is arranged in the side forming block 2 and is actuated by the mold opening force, which specifically refers to the upward movement of the first inclined pull rod 7 driven by the upper mold set 8 when the mold is opened, and the first inclined pull rod 7 obliquely extends into the second core pin 4, thereby driving the second core pin 4 to slide in the side forming block 2 through the first inclined pull rod 7.

[0061] As shown in Figure 5 , Figure 17 and Figure 18As shown, further, the transmission part 1.1 is provided with a transmission undercut member 1.11 inclined to the extension direction thereof, the first mold core 3 and the second mold core 4 are respectively provided with undercut parting surfaces 4.1 corresponding to the transmission undercut member 1.11, the first mold core 3 defines a straight-off parting surface 3.1 along the extension direction of the transmission part 1.1 through the undercut parting surface 4.1, and the second mold core 4 defines a undercut parting surface 4.1 along the extension direction of the transmission undercut member 1.11 through the undercut parting surface 4.1. Through the above, the first mold core 3 and the straight-off parting surface 3.1 thereof are in the same direction as the extension direction of the transmission part 1.1, and the second mold core 4 and the undercut parting surface 4.1 thereof are in the same direction as the extension direction of the transmission undercut member 1.11 of the transmission part 1.1. It should be noted that the straight-off parting surface 3.1 and the undercut parting surface 4.1 together constitute the forming profile of the transmission undercut member 1.11, and the straight-off parting surface 3.1 is arranged on the transmission undercut member 1.11 relative to the forming surface in the extension direction of the transmission part 1.1. The utility model divides the transmission undercut member 1.11 on the transmission part 1.1 into the straight-off parting surface 3.1 and the undercut parting surface 4.1, and arranges the straight-off parting surface 3.1 on the first mold core 3 and the undercut parting surface 4.1 on the second mold core 4, so that the undercut parting surface 4.1 does not interfere with the first mold core 3 during demolding, the first mold core 3 performs demolding action through the first linear actuator module 5, and the second mold core 4 performs demolding action through the opening action of the upper mold set 8. On the basis of reducing the forming member and the inclined pull member, the stability of the transmission is improved.

[0062] As a further embodiment of the arrangement and installation of the first mold core 3 and the second mold core 4 in the side forming block 2, the side forming block 2 is provided with an upwardly open installation area 6, a channel is formed in the installation area 6 for the first mold core 3 and the second mold core 4 to slide, the channel specifically includes a first forming channel 2.2 and a second forming channel 2.3, the first forming channel 2.2 and the second forming channel 2.3 are cross-connected, and the second forming channel 2.3 is obliquely arranged through the side forming block 2, the first mold core 3 is arranged in the first forming channel 2.2, and the second mold core 4 is arranged in the second forming channel 2.3, the first inclined pull rod 7 is arranged in the installation area 6, and the installation area 6 is open on one side corresponding to the second forming channel 2.3, so that the second mold core 4 is partially exposed from the second forming channel 2.3 and exposed in the upward opening of the installation area 6, and the exposed part of the second mold core 4 is arranged for the first inclined pull rod 7 to pass through, so as to drive the second mold core 4 to perform demolding action.

[0063] Specifically, to improve the stability of the second mold core 4 sliding in the side forming block 2, a limiting surface 6.1 is arranged on the installation area 6 and abuts against the sliding surface of the second mold core 4, the limiting surface 6.1 is preferably arranged in the opening direction of the installation area 6 and abuts against the upper surface of the second mold core 4, so as to guide the second mold core 4.

[0064] In some embodiments, the limiting surface 6.1 is integrally formed on the side forming block 2, and the side forming block 2 has a side extending extension pressing block 2.4 extending towards the second mold core 4, and the extension pressing block 2.4 forms part of the second forming channel 2.3, i.e. the limiting surface 6.1 is part of the second forming channel 2.3.

[0065] In other embodiments, a limiting pressing block 6.2 is arranged on the mounting area 6, and the limiting pressing block 6.2 is adjustably arranged on the side forming block 2 by bolts, and the limiting surface 6.1 is formed on the bottom of the limiting pressing block 6.2, so that by adjusting the bolts of the limiting pressing block 6.2, the surface abutting force of the second mold core 4 is further adjusted.

[0066] Of course, the extension pressing block 2.4 and the limiting pressing block 6.2 can be arranged simultaneously in the mounting area 6, and in this embodiment, the extension pressing block 2.4 serves as a reference guide surface on the upper surface of the second mold core 4, and the guiding effect on the second mold core 4 is further adjusted by the limiting pressing block 6.2, so as to reduce the machining precision of the side forming block 2 corresponding to the second forming channel 2.3.

[0067] As a preferred, the mounting area 6 is further provided with a limiting step 2.5 for arranging the limiting pressing block 6.2 thereon, and the limiting pressing block 6.2 is specifically arranged in an L shape, one side of which is fixed on the limiting step 2.5 by bolts, and the other side thereof extends downward to the second mold core 4 and forms the limiting surface 6.1, wherein the number of bolts is two, and in this way, the limiting pressing block 6.2 has an adjusting component in two positions, which is beneficial to the adaptive adjustment of the limiting surface 6.1 relative to the sliding surface of the second mold core 4.

[0068] As a further embodiment of the second die core 4, the second die core 4 is further provided with a forming insert 4.2 and a transmission insert 4.3 corresponding to the transmission undercut component 1.11, and the second die core 4 is provided with a first channel 4.4 and a second channel 4.5, the first channel 4.4 and the second channel 4.5 are cross arranged, the forming insert 4.2 is arranged in the first channel 4.4, and the transmission insert 4.3 is arranged in the second channel 4.5, wherein the forming insert 4.2 constitutes the undercut parting surface 4.1, thereby reducing the manufacturing precision of the undercut parting surface 4.1 of the second die core 4, in addition, by arranging the forming insert 4.2 in the second die core 4, and the forming insert 4.2 is provided with a transmission notch 4.21 for stopping the transmission insert 4.3, the transmission insert 4.3 and the second channel 4.5 are both perpendicular to the sliding direction of the second die core 4, when demolding at the transmission part 1.1, the first inclined pull rod 7 is first actuated by the opening force to drive the second die core 4 to move, at this time, the transmission insert 4.3 drives the forming insert 4.2 to move with the second die core 4 to perform the opening operation, avoiding the forming deviation caused by the accumulation of part gap in the traditional multi-inclined pull structure, and improving the assembly adaptability of the transmission undercut component 1.11.

[0069] Specifically, the second die core 4 is provided with an inclined pull channel 4.6 for the first inclined pull rod 7, and at least one of the first channel 4.4 or the second channel 4.5 is communicated to the inclined pull channel 4.6, the first inclined pull rod 7 is provided with a guide inclined surface 7.1 matched with the forming insert 4.2, and the above improvement makes the transmission gap between the inclined pull channel 4.6 and the first inclined pull rod 7 provide ventilation for the forming insert 4.2, to ensure the stability of the movement during the opening operation.

[0070] Specifically, the first die core 3 and the second die core 4 are provided with a connecting convex part 4.7 outside the forming contour of the handle 1, and a connecting concave part 3.3 corresponding to the connecting convex part 4.7, as an example, the connecting convex part 4.7 is arranged on the second die core 4, and the connecting concave part 3.3 is arranged on the first die core 3, and is specifically arranged on both sides corresponding to the transmission undercut component 1.11, the first die core 3 and the second die core 4 are positioned outside the contour through the connecting convex part 4.7 and the connecting concave part 3.3, and are rigidly connected in the closed mold state, cooperating with the first core 3.2 to form the inner hole 1.12 of the transmission part 1.1, reducing the relative position deviation between the transmission body and the undercut component, and meeting the forming requirements of high-precision transmission components.

[0071] Specifically, the first die core 3 is further provided with a first core 3.2, the first core 3.2 is arranged in the same direction as the first die core 3, and the first core 3.2 is arranged in the forming cavity to constitute the inner hole 1.12 of the transmission part 1.1, thereby reducing the processing difficulty of the forming surface of the first die core 3, and coping with the complex geometric characteristics of the smooth demolding parting surface 3.1 of the transmission part 1.1.

[0072] As Figures 1 to 3 The application further provides a molding die for molding the shift handle 1, comprising the composite core-pulling mechanism described above;

[0073] Further comprising:

[0074] The upper die set 8 and the lower die set 9, the front molding block 10 and the rear molding block 11 arranged between the upper die set 8 and the lower die set 9, the second core 12 arranged between the front molding block 10 and the rear molding block 11, and the molding cavity formed between the front molding block 10, the rear molding block 11, the side molding block 2 and the second core 12;

[0075] The shift handle 1 comprises a cylindrical main body 1.2, and an open shell 1.3 and a transmission part 1.1 sequentially extended on the cylindrical main body 1.2

[0076] The shift handle 1 is a split part of the overall product, and is used to be spliced with another shift handle 1 to form the overall product. The shift handle 1 comprises a cylindrical main body 1.2, and an open shell 1.3 and a transmission part 1.1 sequentially extended on the cylindrical main body 1.2. The open shell 1.3 is inclined with respect to the extension direction of the cylindrical main body 1.2. The extension direction of the transmission part 1.1 is opposite to the extension direction of the cylindrical main body 1.2. The open shell 1.3 and the transmission part 1.1 both have an extension component in the height direction. Further, the open shell 1.3 is provided with a splicing undercut member 1.4 arranged in the opening direction of the open shell 1.3. The transmission part 1.1 is provided with a transmission undercut member 1.11.

[0077] Further referring to Figure 3 and Figure 4 The bottom of the upper die set 8 is further provided with an abutting inclined surface 8.1 arranged at the back of the first inclined pull rod 7 and facing the demolding direction of the second mold core 4. The second mold core 4 is provided with a matching inclined surface 4.9 matched with the abutting inclined surface 8.1. The abutting inclined surface 8.1 is arranged at the end of the second molding channel 2.3. In the closed die state, the abutting inclined surface 8.1 abuts against the matching inclined surface 4.9. In the die opening process, the first inclined pull rod 7 drives the second mold core 4 to slide along the second molding channel 2.3, and the matching inclined surface 4.9 on the second mold core 4 abuts against the abutting inclined surface 8.1. As the upper die set 8 drives the abutting inclined surface 8.1 to move upward, the sliding amount of the second mold core 4 in the demolding direction is released, thereby improving the stability of the second mold core 4 in the closed die state and the demolding process.

[0078] The molding die further comprises:

[0079] The first molding die set 13 comprises a second linear actuation die set 13.1 connected to the front molding block 10. The second linear actuation die set 13.1 drives the front molding block 10 to close or move away from the molding cavity.

[0080] The second forming module 14 comprises a plurality of forming columns 14.1 passing through the rear forming block 11, a transmission column 14.2 connected to the rear side of the forming column 14.1, and a third linear actuator module 14.3 for providing linear actuating force, the rear end of the forming column 14.1 is hinged to the transmission column 14.2, the third linear actuator module 14.3 is in transmission connection with the transmission column 14.2, and the forming column 14.1 constitutes a forming surface of the splicing inverted buckle component 1.4 in the forming cavity;

[0081] Referring to Figure 13 The third forming module 15 comprises a fourth linear actuator module 15.1 connected to the second core 12, and the fourth linear actuator module 15.1 drives the main core to enter or exit the forming cavity, and the second core 12 passes through between the front forming block 10 and the rear forming block 11.

[0082] Specifically, the action direction of the side forming block 2 is consistent with the first linear actuator module 5, the side forming block 2 is obliquely arranged between the front forming block 10 and the rear forming block 11, and the active axis of the first linear actuator module 5 is obliquely arranged with the second linear actuator module, the third linear actuator module 14.3 and the fourth linear actuator module 15.1.

[0083] The rear forming block 11 and the front forming block 10 are closed to form a first type cavity of the cylindrical main body 1.2 and the open shell 1.3, the side forming block 2 is obliquely arranged and connected to the front forming block 10 and the rear forming block 11, and the side forming block 2 forms a second type cavity of the transmission part 1.1, and the first type cavity and the second type cavity constitute the forming cavity.

[0084] As shown in Figures 14 to 16 , as a further embodiment of the second forming module 14,

[0085] The second forming module 14 comprises:

[0086] a plurality of forming columns 14.1 passing through the rear forming block 11, a transmission column 14.2 connected to the rear side of the forming column 14.1, and a third linear actuator module 14.3 for providing linear actuating force, the number of the forming column 14.1 is multiple, and each forming column 14.1 is obliquely arranged towards the open shell 1.3 and corresponds to one splicing inverted buckle component 1.4, the rear end of the forming column 14.1 is hinged to the transmission column 14.2, the third linear actuator module 14.3 is in transmission connection with the transmission column 14.2, the forming column 14.1 constitutes a forming surface of the splicing inverted buckle component 1.4 in the forming cavity, preferably, the third linear actuator module 14.3 is arranged perpendicularly to the normal of the open shell 1.3, and the hinge axis of the forming column 14.1 is arranged perpendicularly to the linear direction of the third linear actuator module 14.3.

[0087] After the handle 1 is formed, the third linear actuator module 14.3 drives the transmission column 14.2 to act, and the hinged forming column 14.1 provides a demolding space on the spliced inverted buckle component 1.4, thereby completing the demolding of the open shell 1.3 part.

[0088] As a further embodiment of the second forming module 14, the second forming module 14 further comprises:

[0089] The transmission seat 14.4 is connected with the third linear actuator module 14.3, the rear end of the transmission column 14.2 is fixed on the transmission seat 14.4, and the front end of the transmission column 14.2 protrudes out of the transmission seat 14.4 for the forming column 14.1 to be connected;

[0090] The sliding block 14.5 is slidably arranged at the front end of the transmission column 14.2, the front end of the sliding block 14.5 is provided with a hinged groove 14.6,

[0091] The forming column 14.1 is hinged in the hinged groove 14.6, the rear end of the sliding block 14.5 is provided with a T-shaped protrusion, the front end of the transmission column 14.2 is provided with a T-shaped sliding groove matched with the T-shaped protrusion, and the T-shaped sliding groove is arranged along the inverted buckle direction of the spliced inverted buckle component 1.4, wherein the sliding direction of the T-shaped sliding groove and the T-shaped protrusion is perpendicular to the hinged direction of the forming column 14.1 and different from the linear direction of the third linear actuator module 14.3.

[0092] Specifically, the transmission seat 14.4 is further provided with a pin inserting unit 14.7, the rear end of the pin inserting unit 14.7 is connected with the transmission seat 14.4 and slides synchronously with the transmission seat 14.4, the front end of the pin inserting unit 14.7 is arranged towards the open shell 1.3, and the rear forming block 11 is further provided with a plurality of guide blocks 14.8, the guide blocks 14.8 are arranged in the path of the forming column 14.1 and the pin inserting unit 14.7 towards the forming cavity, the pin inserting unit 14.7 and the forming column 14.1 are both arranged through the guide blocks 14.8, the guide blocks 14.8 are provided with guide through holes 14.9 for the forming column 14.1 to pass through, the diameter of the guide through holes 14.9 is greater than that of the forming column 14.1, and the gap between the guide through holes 14.9 and the forming column 14.1 is arranged along the demolding direction of the spliced inverted buckle component 1.4.

[0093] As shown in Figures 9 to 12 The first forming module 13 further comprises a front pull rod 13.6 arranged on the action end of the third linear actuator module 14.3, the front pull rod 13.6 is in transmission connection with the front forming block 10, the front forming block 10 corresponds to the demolding surface of the back of the cylindrical body 1.2 and the open shell 1.3, and the front pull rod 13.6 is arranged in an L shape, and the third linear actuator module 14.3 is located below the projection of the front pull rod 13.6, thereby effectively reducing the occupied space of the first forming module 13.

[0094] Specifically, the transmission part 1.1 is further provided with a secondary undercut member 1.5 away from the second core 4, the secondary undercut member 1.5 extends from the first core 3 and extends towards the first forming die set 13; the first forming die set 13 further comprises a third core 13.2 arranged in the front forming block 10, and a second inclined pull rod 13.3 arranged on the third core 13.2, the upper die set 8 is further provided with an inclined guide block 13.4 abutting against the back of the third core 13.2, the second inclined pull rod 13.3 is fixed on the inclined guide block 13.4, and the inclined guide block 13.4 and the third core 13.2 are provided with oppositely arranged inclined guide surfaces 13.5, in the mold opening action, the upper die set 8 drives the inclined guide block 13.4 and the second inclined pull rod 13.3 to move upwards, so as to drive the third core 13.2 and the secondary undercut member 1.5 to demold.

[0095] Specifically, the side forming block 2 is provided with a positioning protrusion 2.1 opposite to the rear forming block 11, and the rear forming block 11 is provided with a positioning recess 11.1 corresponding to the positioning protrusion 2.1, through the above improvement, the side forming block 2 and the rear forming block 11 form a rigid connection in the closed mold state, and the two exert mutual holding force during the forming process, thereby improving the forming stability.

[0096] Specifically, the second core 4 is provided with a flow port 4.8 connected to the rear forming block 11, the flow port 4.8 optimizes the exhaust system of the handle 1, forms directional drainage of trapped gas, and provides a certain compensation space during the mold closing process, thereby avoiding the sticking phenomenon caused by vacuum adsorption.

[0097] The specific embodiment is only an explanation of the present application, and is not a limitation of the present application, and those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A compound core-drawing mechanism for forming a shift lever handle, characterized by, The application relates to a side forming block (2) arranged along the extension direction of a transmission part (1.1) of a steering handle (1), a first mold core (3) and a second mold core (4) arranged in the side forming block (2), and a first linear actuation module (5) for providing linear power for the side forming block (2). The first mold core (3) is arranged along the extension direction of the transmission part (1.1), the second mold core (4) is arranged perpendicularly along the extension direction of the transmission part (1.1), and the second mold core (4) is arranged obliquely to the first mold core (3); a first inclined pull rod (7) is arranged in the side forming block (2) and is actuated by an opening force, and the first inclined pull rod (7) is obliquely arranged in the second mold core (4). The transmission part (1.1) is provided with a transmission undercut component (1.11) arranged obliquely along the extension direction thereof, the first mold core (3) and the second mold core (4) are respectively provided with undercut parting surfaces (4.1) arranged correspondingly to the transmission undercut component (1.11), the first mold core (3) is defined by the undercut parting surfaces (4.1) to form a normal separation parting surface (3.1) arranged along the extension direction of the transmission part (1.1), and the second mold core (4) is defined by the undercut parting surfaces (4.1) to form an undercut parting surface (4.1) arranged along the extension direction of the transmission undercut component (1.11). The side forming block (2) is provided with an open mounting area (6), the first inclined pull rod (7) and the second mold core (4) are arranged in the mounting area (6), the mounting area (6) is provided with a limiting surface (6.1) abutting against a sliding surface of the second mold core (4), the limiting surface (6.1) is integrally formed on the side forming block (2), and / or the mounting area (6) is provided with a limiting pressing block (6.2), and the limiting surface (6.1) is formed on the bottom of the limiting pressing block (6.2).

2. A compound core mechanism for shift handle forming according to claim 1, wherein: The second mold core (4) is further provided with a forming insert (4.2) and a transmission insert (4.3) arranged correspondingly to the transmission undercut component (1.11), a first channel (4.4) and a second channel (4.5), the first channel (4.4) and the second channel (4.5) are arranged in a cross mode, the forming insert (4.2) is arranged in the first channel (4.4), the transmission insert (4.3) is arranged in the second channel (4.5), and the forming insert (4.2) is provided with a transmission gap (4.21) for stopping the transmission insert (4.3).

3. A compound core mechanism for shift handle forming according to claim 1, wherein: The second mold core (4) is provided with an inclined pull channel (4.6) for allowing the first inclined pull rod (7) to pass through, and at least one of the first channel (4.4) or the second channel (4.5) is communicated to the inclined pull channel (4.6), and the first inclined pull rod (7) is provided with a guide inclined surface (7.1) matched with the forming insert (4.2).

4. A compound core mechanism for shift handle forming according to claim 3, wherein: The first mold core (3) is further provided with a first core (3.2), the first core (3.2) is arranged in the same direction as the first mold core (3) and forms an inner hole (1.12) of the transmission part (1.1).

5. A compound core mechanism for shift handle forming according to claim 1, wherein: ​ 6. A compound core mechanism for shift handle forming according to claim 1, wherein: The first die core (3) and the second die core (4) are provided with a connecting protrusion (4.7) outside the molding contour of the handle (1) and a connecting recess (3.3) corresponding to the connecting protrusion (4.7).

7. A molding die for molding a shift knob, comprising the composite core-pulling mechanism according to any one of claims 1 to 6, characterized by Comprise: The upper die set (8) and the lower die set (9), the front molding block (10) and the rear molding block (11) provided between the upper die set (8) and the lower die set (9), the second core (12) penetrating between the front molding block (10) and the rear molding block (11), the molding cavity is spaced between the front molding block (10), the rear molding block (11), the side molding block (2) and the second core (12); The handle (1) comprises a cylindrical body (1.2), and an open shell (1.3) sequentially extends on the cylindrical body (1.2), the transmission part (1.1) obliquely extends on the open shell (1.3), and a plurality of spliced undercut members (1.4) are arranged on the open shell (1.3). Also include: The first molding module (13) comprises a second linear actuator module (13.1) connected to the front molding block (10); The second molding module (14) comprises a plurality of molding columns (14.1) penetrating the rear molding block (11), a transmission column (14.2) connected to the rear side of the molding column (14.1), and a third linear actuator module (14.3) for providing linear actuation force, the rear end of the molding column (14.1) is hinged to the transmission column (14.2), the third linear actuator module (14.3) is in transmission connection with the transmission column (14.2), and the molding column (14.1) constitutes a molding surface of the spliced undercut member (1.4) in the molding cavity; The third molding module (15) comprises a fourth linear actuator module (15.1) connected to the second core (12); The side molding block (2) is obliquely arranged on the front molding block (10) and the rear molding block (11), and the second core (12) is arranged vertically to the front molding block (10) and the rear molding block (11).

8. A molding die for molding a shift knob according to claim 7, characterized by: The side molding block (2) is provided with a positioning protrusion (2.1) arranged opposite to the rear molding block (11), and the rear molding block (11) is provided with a positioning recess (11.1) corresponding to the positioning protrusion (2.1).

9. A molding die for molding a shift knob according to claim 7, characterized by: The second die core (4) is provided with an overflow port (4.8), and the overflow port (4.8) is connected to the rear molding block (11).

10. A molding die for molding a shift knob according to claim 7, characterized by: The transmission part (1.1) is further provided with a secondary undercut member (1.5) arranged away from the second die core (4); The first molding module (13) further comprises a third die core (13.2) arranged in the front molding block (10) and a second inclined pull rod (13.3) penetrating the third die core (13.2), the upper die set (8) is further provided with an inclined guide block (13.4) abutting against the back of the third die core (13.2), the second inclined pull rod (13.3) is fixed on the inclined guide block (13.4), and the inclined guide block (13.4) and the third die core (13.2) are provided with inclined guide surfaces (13.5) arranged opposite to each other.

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