Stable mold demolding assembly

By using a drive motor to drive a demolding assembly that engages with a gear and rack, and an annular brush cleaning structure, the demolding problems caused by spring wear and rapid cylinder movement are solved, achieving a stable and clean demolding effect.

CN223684331UActive Publication Date: 2025-12-19KUNSHAN CENGXIANG TOOLING CO LTD
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Patent Information

Application Number
CN202423067179.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-19
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

In existing mold demolding components, springs are easily damaged, which weakens the elasticity of the ejector pin and affects the demolding effect. The rapid movement of the cylinder causes the parts to deform, which affects the demolding quality.

Method used

The system employs a drive motor to power gears and racks, which in turn drive the top plate and ejector pins to rise and fall stably. Combined with a ring brush cleaning assembly, this ensures the stability and cleanliness of the demolding process.

Benefits of technology

It achieves a stable demolding process, avoids damage and deformation of parts, improves demolding effect, and maintains the cleanliness of demolding components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stable type mould demoulding assembly which comprises a demoulding assembly main body, the demoulding assembly main body comprises a lower mould base, a top plate is arranged at the bottom end in the lower mould base, two ejection sliding holes are formed in the top end in the lower mould base, and demoulding ejection rods are arranged in the ejection sliding holes. The bottom end of the demolding ejector rod and the surface of the ejector plate are fixed through welding. By designing a demolding ejection mechanism, after a part is machined and formed in a lower mold base, a driving motor drives a driving gear to rotate, and the driving gear is engaged with the outer surface of a rack to drive the rack to stably control movement when rotating, so that a top plate is driven by the rack to stably ascend; the ejection plate drives the demolding ejection rod to be stably ejected out of the interior of the ejection sliding hole, a formed part is effectively demolded through the demolding ejection rod, the part is not prone to being damaged during demolding, and the expected demolding effect that the demolding assembly body is installed in the mold is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mould stripping assembly technical field, concretely relates to a stable mould stripping assembly. BACKGROUND

[0002] Mould is the tool that under the action of external force, utilize specific shape make blank (solid and liquid) shaping into the workpiece with certain shape and size, and needs to carry out stripping treatment to the part of shaping after mould injection molding, usually passes through the inside installation stripping assembly of mould stripping treatment, and the existing mould stripping assembly is the part for the part stripping treatment after mould processing shaping, convenient stable lifting effective stripping;

[0003] The existing mould inside stripping assembly generally drives the top plate and the top rod reset to the part of shaping through the elastic force of spring, and the spring is vulnerable to damage in long time movement, and the expected stripping effect of the top rod ejection is reduced, or the top plate and the top rod are driven to move up and eject stripping through the movement of air cylinder, and there is still a lot of heat in the just shaped part, the ejection movement of air cylinder is fast, and sometimes the part is slightly deformed when the top rod is driven to eject fast, causing unqualified, thereby affecting the expected stripping effect of the stripping mechanism installed in the mould, therefore the utility model provides a stable mould stripping assembly. UTILITY MODEL CONTENT

[0004] The utility model discloses a stable mould stripping assembly, which solves the problems of the spring being damaged in long time movement, the expected stripping effect of the top rod ejection being reduced, or the part being slightly deformed when the top rod is driven to eject fast under the movement of the air cylinder, causing unqualified, thereby affecting the expected stripping effect of the stripping mechanism installed in the mould.

[0005] To achieve the above object, the utility model provides the following technical scheme: a stable mould stripping assembly, which comprises a stripping assembly body, the stripping assembly body comprises a lower die seat, the inside bottom end of the lower die seat is provided with a top plate, two ejection sliding holes are formed in the inside top end of the lower die seat, a stripping top rod is arranged in the inside of the ejection sliding hole, the bottom end of the stripping top rod is fixed to the surface of the top plate by welding, and the stripping assembly body is further provided with:

[0006] A stripping ejection mechanism, which comprises a driving assembly arranged at the connecting position between the inside bottom end of the lower die seat and the lower surface of the top plate, a control assembly is arranged on one side of the driving assembly, and limit sliding assemblies are arranged at the two ends of the top plate.

[0007] A cleaning mechanism, which comprises a cleaning assembly arranged at the bottom end of the ejection sliding hole and located on the outer surface of the stripping top rod, and a fixing assembly is arranged at the top end of the cleaning assembly.

[0008] Preferably, the driving assembly comprises a rack welded to the lower surface of the top plate, one side of the rack is welded to a fixed plate at the inner bottom end of the lower die seat, the top end of the fixed plate is fixed with a driving motor through bolts, and the end of the driving motor is fixed with a driving gear through bolts.

[0009] Preferably, the driving gear is engaged with the surface of the rack, and the driving motor is drivenly connected with the top plate through the driving gear and the rack.

[0010] Preferably, the control assembly comprises a control groove plate welded to one side of the rack at the inner bottom end of the lower die seat, a control sliding block is slidably arranged in the control groove plate, and the end of the control sliding block is welded to the side surface of the rack.

[0011] Preferably, the limiting sliding assembly comprises limiting sliding grooves opened at both sides of the inner bottom end of the lower die seat, limiting sliding rods are welded in the limiting sliding grooves, limiting blocks are arranged on the outer surface of the limiting sliding rods, and the end of the limiting blocks is welded to the end of the top plate.

[0012] Preferably, the cleaning assembly comprises a mounting groove opened at the bottom end of the ejection sliding hole and located in the inner bottom end of the lower die seat, and an annular brush is arranged in the mounting groove.

[0013] Preferably, the fixing assembly comprises a fixing bolt threadedly rotated at the top end edge of the annular brush, an internally-threaded hole is opened at the top end edge of the mounting groove, and the end of the fixing bolt is consistent with the internal structure of the internally-threaded hole.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] Through the design of the demolding and ejecting mechanism, after the part is processed and formed in the inner bottom end of the lower die seat, the driving motor drives the driving gear to rotate, the driving gear is engaged with the outer surface of the rack to stably control the movement of the rack, the top plate is stably lifted through the driving of the rack, the demolding ejector rod is stably ejected in the inner bottom end of the ejection sliding hole, the formed part is effectively demolded through the demolding ejector rod, the part is not easily damaged during demolding, and the expected demolding effect of the demolding assembly main body installed in the mold is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a sectional view of the utility model;

[0018] Figure 3 It is a sectional view of the utility modelFigure 2 Enlarged structural schematic view of part A;

[0019] Figure 4 The utility model discares Figure 2 Enlarged structural schematic view of part D;

[0020] Figure 5 The utility model discares Figure 2 Enlarged structural schematic view of part B;

[0021] Figure 6 The utility model discares Figure 5 Enlarged structural schematic view of part C;

[0022] Figure 7 The utility model discloses an annular brush and fixed bolt structure schematic view;

[0023] In the drawing: 100, demolding assembly main body;101, lower die seat;102, top plate;1021, fixed plate;1022, control groove plate;1023, drive gear;1024, drive motor;1025, rack;1026, control sliding block;1027, limit block;1028, limit sliding rod;1029, limit sliding groove;103, demolding ejector rod;1031, installation groove;1032, annular brush;1033, fixed bolt;1034, internal thread hole;104, ejection sliding hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a stable mold demolding assembly, including demolding assembly main body 100, demolding assembly main body 100 includes lower die seat 101, the inside bottom end of lower die seat 101 is provided with top plate 102, two ejection sliding holes 104 are opened in the inside top end of lower die seat 101, demolding ejector rod 103 is arranged in the inside of ejection sliding hole 104, the bottom end of demolding ejector rod 103 is fixed with the surface of top plate 102 by welding, after moulding part is processed by mould, top plate 102 drives demolding ejector rod 103 to rise, demolding ejector rod 103 is slid in the inside of ejection sliding hole 104 and is ejected, facilitate demolding, demolding assembly main body 100 is provided with:

[0027] The demolding ejection mechanism is provided with a driving assembly arranged at the connecting position between the inner bottom end of the lower die seat 101 and the lower surface of the top plate 102. One side of the driving assembly is provided with a control assembly. Both ends of the top plate 102 are provided with a limiting sliding assembly. After the parts are formed by the mold, the demolding can be carried out by driving the top plate 102 and the demolding top rod 103 to uniformly ascend and descend at a constant speed by the demolding ejection mechanism. The parts are not easily damaged during demolding, and the expected demolding effect of the demolding assembly body 100 installed in the mold is improved.

[0028] In order to facilitate the uniform ascending and descending of the top plate 102 and the demolding top rod 103 by the driving assembly, in the embodiment, preferably, the driving assembly comprises a rack 1025 welded and fixed to the lower surface of the top plate 102. One side of the rack 1025 is welded and fixed with a fixed plate 1021 at the inner bottom end of the lower die seat 101. The top end of the fixed plate 1021 is fixed with a driving motor 1024 through bolts. The end of the driving motor 1024 is fixed with a driving gear 1023 through bolts. The driving gear 1023 is engaged with the surface of the rack 1025. The driving motor 1024 can drive the driving gear 1023 to rotate. The driving gear 1023 is engaged with the rack 1025 and drives the rack 1025 to ascend and descend. The rack 1025 drives the top plate 102 and the demolding top rod 103 to ascend and descend at a constant speed.

[0029] In order to facilitate the stable control of the ascending and descending adjustment of the rack 1025 by the control assembly, in the embodiment, preferably, the control assembly comprises a control groove plate 1022 welded and fixed to one side of the rack 1025 at the inner bottom end of the lower die seat 101. The control groove plate 1022 is slidably provided with a control sliding block 1026. The end of the control sliding block 1026 is fixed to the side surface of the rack 1025 by welding. The rack 1025 can drive the control sliding block 1026 to slide in the control groove plate 1022 during the ascending and descending adjustment, so as to facilitate more stable control of the demolding adjustment.

[0030] In order to facilitate the stable ascending and descending demolding treatment of the top plate 102 by the limiting sliding assembly, in the embodiment, preferably, the limiting sliding assembly comprises limiting sliding grooves 1029 opened at both sides of the inner bottom end of the lower die seat 101. The limiting sliding grooves 1029 are welded with limiting sliding rods 1028 inside. The outer surface of the limiting sliding rods 1028 is provided with limiting blocks 1027. The end of the limiting block 1027 is fixed to the end of the top plate 102 by welding. When the top plate 102 ascends and descends, the top plate 102 drives the limiting block 1027 to slide on the outer surface of the limiting sliding rod 1028 in the limiting sliding groove 1029, so as to facilitate the stable control of the demolding treatment.

[0031] Embodiment 2

[0032] Please refer to Figure 1 , Figure 2、 Figure 3 、 Figure 5 、 Figure 6 With Figure 7 The utility model provides a technical scheme: a stable mould stripping assembly, including stripping assembly main part 100, stripping assembly main part 100 includes lower mould seat 101, and the inside bottom of lower mould seat 101 is provided with top plate 102, and the inside top of lower mould seat 101 is provided with two ejection slide hole 104, and stripping ejector rod 103 is arranged in the inside of ejection slide hole 104, and the bottom of stripping ejector rod 103 is fixed with the surface of top plate 102 by welding, after the part is processed and formed by mould, top plate 102 drives stripping ejector rod 103 to rise, stripping ejector rod 103 is in the inside of ejection slide hole 104 and is slid and ejected, and it is convenient to stripping processing, stripping assembly main part 100 still is provided with:

[0033] Cleaning mechanism, and the cleaning mechanism includes the cleaning assembly of setting at the bottom of ejection slide hole 104 and the outer surface of stripping ejector rod 103, and the top of cleaning assembly is provided with fixed assembly, when the mould is placed for a long time when not using, the dust is entered from the side of lower mould seat 101 to the inside and is attached to the surface of stripping ejector rod 103, stripping ejector rod 103 is cleaned when contacting cleaning assembly when sliding and ejecting, stripping ejector rod 103 is not easily hindered when ejecting, and effectively clean ejection stripping.

[0034] In order to clean the outer surface of stripping ejector rod 103 by cleaning assembly when sliding in the inside of ejection slide hole 104, in the embodiment, preferably, the cleaning assembly includes the installation groove 1031 of setting at the bottom of ejection slide hole 104 and in the inside of lower mould seat 101, the inside of installation groove 1031 is provided with annular brush 1032, and the outer surface of stripping ejector rod 103 contacts the inner surface of annular brush 1032, can contact the inner surface of annular brush 1032 and clean when stripping ejector rod 103 is ejected in the inside of ejection slide hole 104.

[0035] In order to fix and install annular brush 1032 by fixed assembly, it is convenient to fix and install cleaning, in the embodiment, preferably, the fixed assembly includes the fixed bolt 1033 of screwing in the top edge of annular brush 1032, and the inside top edge of installation groove 1031 is provided with internal thread hole 1034, and the end of fixed bolt 1033 and the inside structure of internal thread hole 1034 coincide, can close annular brush 1032 in the inside of installation groove 1031, and fixed bolt 1033 is embedded in the inside of internal thread hole 1034 to fix and install annular brush 1032.

[0036] The utility model discloses a stable mould stripping assembly, when using, and the part that is processed into shape in the inside of mould needs to be stripped, drive motor 1024 is electrified and runs and drives gear 1023 to rotate, and when driving gear 1023 rotates, the outer surface of rack 1025 is engaged and drives rack 1025, and when rack 1025 drives, the inside sliding control of control groove plate 1022 is controlled through control slider 1026, thereby driving the top plate 102 through rack 1025, and when the top plate 102 rises, the end drives the top plate 102 to be stable in the outer surface of limiting sliding rod 1028 in the inside of limiting sliding groove 1029, thereby driving stripping ejector pin 103 in the inside of ejection sliding hole 104, and the formed part is effectively stripped through stripping ejector pin 103, and the formed part is not damaged during stripping, and the expected stripping effect of stripping assembly main part 100 installed in the inside of mould is improved.

[0037] Then when stripping assembly main part 100 is used, annular brush 1032 is fitted on the outer surface of stripping ejector pin 103, and annular brush 1032 is closed in the inside of installation groove 1031, and rotating fixing bolt 1033 is embedded in the inside of internal thread hole 1034 to fix and install annular brush 1032, therefore when the mould is not used for a long time, dirt enters from the side of lower mould base 101 to the outer surface of stripping ejector pin 103, and when the top plate 102 rises and drives stripping ejector pin 103 to eject, stripping ejector pin 103 is cleaned on the inner surface of annular brush 1032, and the cleaning is convenient, and stripping ejector pin 103 is not easily hindered when ejecting during stripping, effectively cleaning and ejecting, and the convenience of cleaning stripping ejector pin 103 on the outer surface when stripping assembly main part 100 is installed in the inside of mould is improved.

[0038] Although the embodiments of the utility model have been shown and described (for details, see the foregoing detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A stable mold demolding assembly, comprising a demolding assembly body (100), the demolding assembly body (100) including a lower mold base (101), a top plate (102) provided at the bottom of the lower mold base (101), two ejection sliding holes (104) provided at the top of the lower mold base (101), a demolding ejector pin (103) provided inside the ejection sliding hole (104), the bottom end of the demolding ejector pin (103) being fixed to the surface of the top plate (102) by welding, characterized in that: The demolding assembly body (100) is also provided with: The demolding and ejection mechanism includes a drive assembly disposed at the connection between the bottom end of the lower mold base (101) and the lower surface of the top plate (102). A control assembly is disposed on one side of the drive assembly, and limit sliding assemblies are disposed at both ends of the top plate (102). The cleaning mechanism includes a cleaning component located at the bottom end of the ejector slide (104) on the outer surface of the demolding ejector pin (103), and a fixing component is provided at the top end of the cleaning component.

2. The stable mold release assembly according to claim 1, characterized in that: The drive assembly includes a rack (1025) welded and fixed to the lower surface of the top plate (102). A fixing plate (1021) is welded and fixed to the bottom of the lower mold base (101) on one side of the rack (1025). A drive motor (1024) is fixed to the top of the fixing plate (1021) by bolts. A drive gear (1023) is fixed to the end of the drive motor (1024) by bolts.

3. The stable mold release assembly according to claim 2, characterized in that: The drive gear (1023) meshes with the surface of the rack (1025), and the drive motor (1024) and the top plate (102) are connected by the drive gear (1023) and the rack (1025).

4. The stable mold release assembly according to claim 2, characterized in that: The control assembly includes a control groove plate (1022) welded and fixed to one side of the rack (1025) located at the bottom of the lower mold base (101). A control slider (1026) slides inside the control groove plate (1022), and the end of the control slider (1026) is fixed to the side of the rack (1025) by welding.

5. A stable mold release assembly according to claim 1, characterized in that: The limiting sliding assembly includes limiting slide grooves (1029) formed on both sides of the bottom end inside the lower mold base (101). A limiting slide rod (1028) is welded inside the limiting slide groove (1029). A limiting block (1027) is provided on the outer surface of the limiting slide rod (1028). The end of the limiting block (1027) is fixed to the end of the top plate (102) by welding.

6. The stable mold release assembly according to claim 1, characterized in that: The cleaning assembly includes a mounting groove (1031) located at the bottom of the ejector slide hole (104) inside the lower mold base (101). An annular brush (1032) is provided inside the mounting groove (1031), and the outer surface of the demolding ejector rod (103) contacts the inner surface of the annular brush (1032).

7. A stable mold release assembly according to claim 6, characterized in that: The fixing component includes a fixing bolt (1033) that is threaded and rotates at the top edge of the annular brush (1032). An internal threaded hole (1034) is provided at the top edge of the inner side of the mounting groove (1031), and the end of the fixing bolt (1033) matches the internal structure of the internal threaded hole (1034).