Long glass fiber reinforced thermoplastic automobile air conditioner steam chamber injection mold
By designing pre-installed main and auxiliary columns and elastic steel ball components in the injection mold, the problems of low connection strength and unstable precision of the hot riveting assembly method of metal nuts are solved, and efficient and precise one-piece molding of nuts and water vapor chambers is achieved.
Patent Information
- Application Number
- CN202422888075.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-11-26
AI Technical Summary
In the prior art, the hot riveting assembly method of metal nuts and water vapor chambers results in low connection strength, unstable assembly accuracy and low efficiency, especially in the injection molding of long glass fiber reinforced thermoplastics.
A long glass fiber reinforced thermoplastic automotive air conditioning water vapor chamber injection mold was designed. The nut is pre-installed by the main column and the auxiliary column on the second core-pulling assembly. The nut is positioned in the cavity by the elastic steel ball assembly and integrally formed during injection molding, avoiding subsequent hot riveting operations.
This method achieves integrated fastening of the nut and the water vapor chamber, improving connection strength and assembly accuracy, increasing production efficiency, and avoiding the inefficient steps of subsequent hot riveting operations.
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Figure CN223685917U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile air conditioning assembly production equipment, especially long glass fiber reinforced thermoplasticity automobile air conditioning water gas room injection mold. BACKGROUND
[0002] Automobile air conditioner is a commonly used component, wherein the water gas chamber is an essential accessory. The water gas chamber structure is usually complex, and in order to reduce the weight, the water gas chamber is generally made of plastic material by injection molding, so the injection mold is used for the production of the water gas chamber. In order to ensure the connection strength of the water gas chamber and the surrounding accessories, metal nuts are usually arranged at the inlet and outlet of the water gas chamber. The existing metal nut is assembled into the inlet and outlet of the water gas chamber by hot riveting. This assembly method has low strength, unstable assembly precision, and low assembly efficiency. Moreover, when the water gas chamber is made of long glass fiber reinforced thermoplasticity by injection molding, the above-mentioned shortcomings are more prominent. SUMMARY
[0003] In view of the deficiencies of the prior art, the utility model aims to provide a long glass fiber reinforced thermoplasticity automobile air conditioning water gas chamber injection mold.
[0004] The utility model discloses a long glass fiber reinforced thermoplasticity automobile air conditioner water gas chamber injection mold, including rear mould subassembly, set up in the front side of rear mould subassembly's front mould subassembly, rear mould subassembly includes rear mould bottom plate, set up in the front side of rear mould bottom plate's rear mould cushion block, set up in the front side of rear mould cushion block's rear mould board, left forming subassembly and right forming subassembly are connected on the left of rear mould board, upper core-pulling assembly and lower core-pulling assembly are connected on the upper of rear mould board, ejector pin plate is connected on the back of rear mould bottom plate, ejector pin body is set up on the ejector pin plate, the mould core is set up in the front side of rear mould board, the front mould subassembly includes front mould bottom plate, set up in the back of front mould bottom plate's front mould fixed plate, set up in the back of front mould fixed plate's front mould board, set up in the first core-pulling assembly and second core-pulling assembly of front mould board, the first core-pulling assembly includes set up on the first core-pulling oil cylinder of front mould board, the first core-pulling inclined guide block of connecting first core-pulling oil cylinder, with the first core-pulling column of first core-pulling inclined guide block sliding fit, the second core-pulling assembly includes set up on the second core-pulling oil cylinder of front mould board, the second core-pulling inclined guide block of connecting second core-pulling oil cylinder, with the second core-pulling column of second core-pulling inclined guide block sliding fit, the second core-pulling column end center is equipped with main column body, and the annular array distribution of vice column body is surrounded around main column body, the main column body and the annular array distribution of vice column body are all distributed with elastic steel ball assembly, and the main column body and vice column body root are all equipped with the limiting step of the limiting nut, the first core-pulling inclined guide block with the first core-pulling column is through T-shaped groove sliding guide connection, and the second core-pulling inclined guide block with the second core-pulling column is through T-shaped groove sliding guide connection, the left forming subassembly, the right forming subassembly and mould core clamping form forming cavity.
[0005] As a further improvement of the design, the upper core-pulling assembly includes an upper core-pulling wedge block that is slidably connected to the rear mold plate, and an upper core-pulling block that is connected to the bottom of the upper core-pulling wedge block. The front mold plate is provided with an upper inclined guide column that cooperates with the upper core-pulling wedge block. The lower core-pulling assembly includes a lower core-pulling oil cylinder that is provided on the rear mold plate, a lower core-pulling wedge block that is slidably connected to the rear mold plate, and a lower core-pulling block that is connected to the top of the lower core-pulling wedge block.
[0006] As a further improvement of the present design, the left forming assembly comprises a left forming oil cylinder arranged on the rear mold plate, a left forming wedge connected with the rear mold plate in a sliding manner, a left forming block arranged at the right end of the left forming wedge, and a left threaded forming sliding block connected with the left forming block in a sliding manner.
[0007] As a further improvement of the present design, the elastic steel ball assembly comprises a spring and a steel ball arranged at one end of the spring, and the main column and the auxiliary column are both provided with a containing hole for containing the elastic steel ball assembly, and the opening diameter of the containing hole is smaller than the ball diameter of the steel ball.
[0008] The utility model discloses the beneficial effect is: the utility model discloses through the main column and the auxiliary column on the second core-pulling subassembly realize the preinstallation of nut, place the nut to the specified position of cavity when injection molding and carry out integral injection molding, and the nut and the water chamber are integrally formed in the water chamber after forming, and are connected tightly, avoid subsequent hot riveting operation, and the efficiency is high, and the position of nut is more accurate and stable due to the positioning effect of the main column and the auxiliary column. BRIEF DESCRIPTION OF DRAWINGS
[0009] The utility model is further illustrated below in connection with the drawings and examples.
[0010] Figure 1 It is the rear mold assembly and the up and down core-pulling subassembly three-dimensional structure schematic view of the utility model.
[0011] Figure 2 It is the rear mold assembly three-dimensional schematic view of the utility model.
[0012] Figure 3 It is the front view schematic view of the rear mold assembly of the utility model.
[0013] Figure 4 It is the A-A section schematic view of the utility model in Figure 3 .
[0014] Figure 5 It is the B-B section schematic view of the utility model in Figure 3 .
[0015] Figure 6 It is the front mold assembly three-dimensional schematic view of the utility model.
[0016] Figure 7 It is the rear view schematic view of the front mold assembly of the utility model.
[0017] Figure 8 is the second core pulling column of the utility model in Figure 7 the middle C-C section view.
[0018] Figure 9 is the second core pulling column of the utility model in Figure 7 the middle D-D section view.
[0019] Figure 10 is the second core pulling column of the utility model in the middle D-D section view.
[0020] Figure 11 is the second core pulling column of the utility model in
[0021] the middle D-D section view. Figure 12 Figure 11 is the second core pulling column of the utility model in the middle D-D section view.
[0022] In the drawing, 1. rear mold base plate, 2. rear mold cushion block, 3. rear mold plate, 4. upper core pulling assembly, 40. upper core pulling wedge, 41. upper core pulling block, 5. left forming assembly, 50. left forming oil cylinder, 51. left forming wedge, 52. left forming block, 53. left screw port forming sliding block, 6. lower core pulling assembly, 60. lower core pulling wedge, 61. lower core pulling oil cylinder, 62. lower core pulling block, 7. right forming assembly, 70. right forming block, 71. right forming wedge, 72. right forming oil cylinder, 73. right screw port forming sliding block, 8. second core pulling assembly, 80. second core pulling oil cylinder, 81. second core pulling column, 82. second core pulling inclined guide block, 83. main column body, 84. auxiliary column body, 9. first core pulling assembly, 90. first core pulling oil cylinder, 91. first core pulling column, 92. first core pulling inclined guide block, 10. ejector pin plate, 11. ejector pin body, 12. mold core, 13. front mold plate, 14. front mold fixed plate, 15. front mold base plate, 16. elastic steel ball assembly, 160. spring, 161. steel ball, 162. accommodating hole, 17. limiting ladder, 18. T-shaped groove, 19. upper inclined guide column, 20. left and right inclined guide columns, 21. left and right inclined guide holes. DETAILED DESCRIPTION
[0023] The utility model will be combined with the drawing and specific embodiment to explain in detail, the illustrative embodiment and the explanation are only used to explain the utility model, but not as the limitation of the utility model. EMBODIMENT
[0024] Please see Figure 1 , Figure 2The embodiment provides a long glass fiber reinforced thermoplastic automobile air conditioner water chamber injection mold, which comprises a rear mold assembly, a front mold assembly arranged on the front side of the rear mold assembly, the rear mold assembly comprises a rear mold bottom plate 1, a rear mold cushion block 2 arranged on the front side of the rear mold bottom plate 1, a rear mold plate 3 arranged on the front side of the rear mold cushion block 2, a left forming assembly 5 and a right forming assembly 7 slidably connected to the rear mold plate 3, an upper core pulling assembly 4 and a lower core pulling assembly 6 slidably connected to the rear mold plate 3, a ejector plate 10 slidably connected to the rear mold bottom plate 1, an ejector pin body 11 arranged on the ejector plate 10, and a mold core 12 arranged on the front side of the rear mold plate 3.
[0025] Please refer to Figure 6 , Figure 7 , Figure 8 and Figure 9 , the front mold assembly comprises a front mold bottom plate 15, a front mold fixed plate 14 arranged on the rear side of the front mold bottom plate 15, a front mold plate 13 arranged on the rear side of the front mold fixed plate 14, a first core pulling assembly 9 and a second core pulling assembly 8 arranged in the front mold plate 13, the first core pulling assembly 9 comprises a first core pulling oil cylinder 90 arranged on the front mold plate 13, a first core pulling inclined guide block 92 connected to the first core pulling oil cylinder 90, and a first core pulling column 91 in sliding fit with the first core pulling inclined guide block 92, the second core pulling assembly 8 comprises a second core pulling oil cylinder 80 arranged on the front mold plate 13, a second core pulling inclined guide block 82 connected to the second core pulling oil cylinder 80, and a second core pulling column 81 in sliding fit with the second core pulling inclined guide block 82.
[0026] Please refer to Figure 10 and Figure 11 , a main column body 83 is arranged at the end of the second core pulling column 81, a plurality of auxiliary column bodies 84 are arranged in an annular array around the main column body 83, in order to facilitate the positioning and stability of the nut and the separation of the main column body 83 and the auxiliary column body 84 from the nut during demolding, a plurality of elastic steel ball assemblies 16 are arranged in an annular array on the main column body 83 and the auxiliary column body 84, and a limiting step 17 for limiting the nut is arranged at the root of the main column body 83 and the auxiliary column body 84; the first core pulling inclined guide block 92 and the first core pulling column 91 are connected in sliding guide connection through a T-shaped groove 18, and the second core pulling inclined guide block 82 and the second core pulling column 81 are connected in sliding guide connection through a T-shaped groove 18; the left forming assembly 5, the right forming assembly 7 and the mold core 1211 form a forming cavity in combination.
[0027] The pre-installation of the nut is realized by the main column 83 and the auxiliary column 84 on the second core-pulling assembly 8, the nut is placed in the specified position of the cavity during injection molding to be integrally injection molded, the nut is integrally molded with the water-air chamber after molding, is connected and fastened, and the subsequent hot riveting operation is avoided, the efficiency is high, and the position of the nut is more accurate and stable due to the positioning effect of the main column 83 and the auxiliary column 84.
[0028] Please refer to Figure 2 and Figure 5 , the upper core-pulling assembly 4 comprises an upper core-pulling wedge block 40 slidably connected to the rear mold plate 3, an upper core-pulling block 41 connected to the bottom of the upper core-pulling wedge block 40, and an upper inclined guide column 19 provided on the front mold plate 13 and matched with the upper core-pulling wedge block 40, the upper core-pulling wedge block 40 is reset by a spring, and the upper inclined guide column 19 clamps the upper core-pulling wedge block 40.
[0029] Please refer to Figure 2 , Figure 3 and Figure 4 , the left molding assembly 5 comprises a left molding oil cylinder 50 provided on the rear mold plate 3, a left molding wedge block 51 slidably connected to the rear mold plate 3, a left molding block 52 provided at the right end of the left molding wedge block 51, and a left screw port molding sliding block 53 slidably connected to the left molding block 52, the right molding assembly 7 comprises a right molding oil cylinder 72 provided on the rear mold plate 3, a right molding wedge block 71 slidably connected to the rear mold plate 3, a right molding block 70 provided at the left end of the right molding wedge block 71, and a right screw port molding sliding block 73 slidably connected to the right molding block 70, the rear mold plate 3 is provided with left and right inclined guide columns 20, and the right screw port molding sliding block 73 and the left screw port molding sliding block 53 are both provided with left and right inclined guide holes 21 matched with the left and right inclined guide columns 20. The right screw port molding sliding block 73 and the left screw port molding sliding block 53 are reset by a spring, and the right screw port molding sliding block 73 and the left screw port molding sliding block 53 are driven by the left and right inclined guide columns 20 to clamp the mold.
[0030] Please refer to Figure 11 and Figure 12 , the elastic steel ball assembly 16 comprises a spring 160 and a steel ball 161 resisting one end of the spring 160, the main column 83 and the auxiliary column 84 are both provided with containing holes 162 containing the elastic steel ball assembly 16, and the opening aperture of the containing hole 162 is smaller than the ball diameter of the steel ball 161; during assembly, the spring 160 and the steel ball 161 are sequentially placed into the containing hole 162, and then the opening of the containing hole 162 is punched out to form a protrusion to prevent the steel ball 161 from completely leaking out of the containing hole 162.
[0031] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A long glass fiber reinforced thermoplastic automotive air conditioning water-air chamber injection mold, comprising a back mold assembly, a front mold assembly arranged on the front side of the back mold assembly, characterized in that, The rear mold assembly comprises a rear mold base plate, a rear mold cushion block arranged on the front side of the rear mold base plate, a rear mold plate arranged on the front side of the rear mold cushion block, a left forming assembly and a right forming assembly slidably connected to the left and right sides of the rear mold plate, an upper core pulling assembly and a lower core pulling assembly slidably connected to the upper and lower sides of the rear mold plate, a ejector plate slidably connected to the front and rear sides of the rear mold base plate, an ejector pin arranged on the ejector plate, and a mold core arranged on the front side of the rear mold plate.
2. The long glass fiber reinforced thermoplastic automotive air conditioning water-air chamber injection mold according to claim 1, characterized in that, The upper core pulling assembly comprises an upper core pulling wedge block slidably connected to the upper and lower sides of the rear mold plate, and an upper core pulling block connected to the bottom of the upper core pulling wedge block.
3. The long glass fiber reinforced thermoplastic automotive air conditioning water-air chamber injection mold of claim 2, wherein, The left forming assembly comprises a left forming oil cylinder arranged on the rear mold plate, a left forming wedge block slidably connected to the left and right sides of the rear mold plate, a left forming block arranged on the right end of the left forming wedge block, and a left screw port forming sliding block slidably connected to the left forming block.
4. The long glass fiber reinforced thermoplastic automotive air conditioning drain tank injection mold according to any one of claims 1-3, characterized in that, The elastic steel ball assembly comprises a spring and a steel ball abutting against one end of the spring. The upper core pulling assembly comprises an upper core pulling wedge block slidably connected to the upper and lower sides of the rear mold plate, and an upper core pulling block connected to the bottom of the upper core pulling wedge block. The left forming assembly comprises a left forming oil cylinder arranged on the rear mold plate, a left forming wedge block slidably connected to the left and right sides of the rear mold plate, a left forming block arranged on the right end of the left forming wedge block, and a left screw port forming sliding block slidably connected to the left forming block. The elastic steel ball assembly comprises a spring and a steel ball abutting against one end of the spring. The upper core pulling assembly comprises an upper core pulling wedge block slidably connected to the upper and lower sides of the rear mold plate, and an upper core pulling block connected to the bottom of the upper core pulling wedge block.