Production equipment of VCM (voice coil motor) base and use method of production equipment

Abstract

The invention discloses production equipment of a VCM motor base and a using method of the production equipment, and belongs to the technical field of injection molding equipment. The production equipment comprises an upper mold shell, and the upper mold shell is connected with an injection molding cutting assembly used for injection molding cutting one-step forming; the injection molding cutting assembly comprises a stress increasing assembly, an injection molding assembly, a synchronous cutting assembly and a pushing assembly; the injection molding assembly, the synchronous cutting assembly and the material pushing assembly are all connected with the stress increasing assembly, the stress increasing assembly, the injection molding assembly and the synchronous cutting assembly are all connected with the upper mold shell, and the synchronous cutting assembly and the material pushing assembly are both connected with the injection molding assembly. By means of the mode, the six sets of cutting knives of the synchronous cutting assembly fall along with the second material belt to cut off the material belt, the cutting procedure does not need to be additionally added, cutting is completed in one step, and cost is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of injection molding equipment, and in particular to a production device for a VCM motor base and a use method thereof. Background Art

[0002] The plastic material used to produce the VCM base is LCP material. The bonding strength of the product after injection molding of LCP material is relatively small, which can easily lead to cracking during product use and fail the reliability test (the bonding strength of existing products is generally around 10N).

[0003] In order to improve the bonding strength, the plastic product can be placed in an iron insert for injection molding to improve the bonding strength and flatness of the product. However, after the production is completed, an additional process is required to cut and remove the excess iron parts, which is more troublesome.

[0004] Based on this, the present invention designs a production device for a VCM motor base and a method for using the same to solve the above problems. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a production device for a VCM motor base and a method for using the same.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A production device for a VCM motor base and a method for using the same, comprising an upper mold shell, the upper mold shell being connected to an injection molding and cutting assembly for one-step molding by injection molding and cutting; the injection molding and cutting assembly comprising a stress increasing assembly, an injection molding assembly, a synchronous cutting assembly and a pushing assembly; the injection molding assembly, the synchronous cutting assembly and the pushing assembly are all connected to the stress increasing assembly, the stress increasing assembly, the injection molding assembly and the synchronous cutting assembly are all connected to the upper mold shell, and the synchronous cutting assembly and the pushing assembly are all connected to the injection molding assembly.

[0008] Furthermore, the stress increasing component includes a material belt and several groups are installed on the material belt, and the upper mold shell, injection molding component, synchronous cutting component and pushing component are all connected to the material belt.

[0009] Furthermore, the injection molding assembly includes an upper mold inner shell, an injection hole, a lower mold and an auxiliary part; the outer wall of the upper mold inner shell is fixedly connected to the inner wall of the upper mold outer shell, the injection hole penetrates the upper mold inner shell, and the bottom end of the auxiliary part is fixedly connected to one side of the top end of the lower mold.

[0010] Furthermore, the top end of the lower mold is clamped with one side of the material strip.

[0011] Furthermore, the bottom end of the upper mold inner shell, the top end of the injection hole and the side end of the auxiliary component together form an injection cavity, and the injection hole is connected to the injection cavity and is located inside the injection cavity.

[0012] Furthermore, the top ends of the lower mold and the auxiliary component are both in contact with and connected to the bottom end of the material strip; and the bottom end of the upper mold shell is in contact with and connected to the top end of the material strip.

[0013] Furthermore, the synchronous cutting assembly is composed of six groups of cutting knives; the six groups of cutting knives are in contact with and connected to the material strips, and the inner wall of the upper mold outer shell and the outer wall of the upper mold inner shell are fixedly connected to the six groups of cutting knives.

[0014] Furthermore, the bottom end of the upper mold outer shell is lower than the cutting knife and higher than the upper mold inner shell.

[0015] Furthermore, the pushing assembly includes four groups of the molding pushing columns and the material strip pushing columns; the four groups of the molding pushing columns and the material strip pushing columns all penetrate the lower mold, and the top outer walls of the four groups of the molding pushing columns and the material strip pushing columns are slidably connected to the inner wall of the lower mold, the top ends of the four groups of the molding pushing columns are inserted into the injection cavity and contacted and connected with the molded product, and the top end of the material strip pushing columns is contacted and connected with the bottom end of the material strip.

[0016] In order to better achieve the purpose of the present invention, the present invention also provides a production device for a VCM motor base, comprising the following steps:

[0017] Step 1: Place the material strip of the stress-increasing component into the injection-molded cutting component;

[0018] Step 2: Place the material strip on the lower mold of the injection molding component and the top of the auxiliary component, and the top of the auxiliary component clamps the material strip;

[0019] Step 3: The upper mold shell drives the upper mold inner shell and the injection hole to descend, and the lower mold rises until the bottom end of the upper mold shell contacts the material strip;

[0020] Step 4: The six sets of cutting knives of the synchronous cutting assembly descend along with the material strip to cut the material strip;

[0021] Step 5: The bottom end of the upper mold inner shell, the top end of the injection hole and the side end of the auxiliary part together form an injection cavity. Four sets of molding push pins also assist in injection molding. They are located inside the injection cavity and inject from the injection hole into the injection cavity.

[0022] Step 6: After the injection molding is completed, the upper mold shell rises, the lower mold descends, and the molding push pin and the material strip push pin remain stationary to push the product and the material strip out of the mold.

[0023] The present invention has the following technical effects:

[0024] The present invention places the material strip of the stress-increasing component of the injection molding cutting component on the material strip, places the material strip on the lower mold of the injection molding component and the top of the auxiliary component, the top of the auxiliary component clamps the material strip and positions the material strip. At this time, the top of the four groups of molding pushing columns are inserted into the injection molding cavity, the material strip pushing columns are in contact and connection with the material strip, the upper mold shell drives the upper mold inner shell and the injection hole to descend, and the lower mold rises until the bottom end of the upper mold shell contacts the material strip, and the six groups of cutting knives of the synchronous cutting component descend as the material strip descends to cut the material strip. There is no need to add an additional cutting process, and it can be completed in one step, saving costs.

[0025] The present invention forms an injection cavity through the bottom end of the upper mold inner shell, the top end of the injection hole and the side end of the auxiliary part. Four groups of molding push pins also assist in injection molding and are located inside the injection cavity. Injection molding is performed from the injection hole to generate a VCM motor base for improving the bonding force of the product. After the injection molding is completed, the upper mold shell rises and the lower mold descends. The molding push pins and the material strip push pins remain stationary to push the product and the material strip to be demolded. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 A three-dimensional diagram of the production equipment for the VCM motor base of the present invention Figure 1 ;

[0028] Figure 2 A front view of a production device for a VCM motor base according to the present invention;

[0029] Figure 3 A top view of a production device for a VCM motor base according to the present invention;

[0030] Figure 4 A three-dimensional diagram of the production equipment for the VCM motor base of the present invention Figure 2 ;

[0031] Figure 5 A three-dimensional diagram of the upper mold of the present invention;

[0032] Figure 6 A three-dimensional diagram of the lower mold of the present invention;

[0033] Figure 7 For along Figure 3 AA direction cross-sectional view;

[0034] Figure 8 A three-dimensional diagram of the material strip and product of the present invention;

[0035] Fig. 9 A three-dimensional image of the product.

[0036] The numbers in the figure represent: 1. upper mold shell; 2. injection cutting component; 21. stress increase component; 211. material strip; 22. injection molding component; 221. upper mold inner shell; 222. injection hole; 223. lower mold; 224. auxiliary parts; 23. synchronous cutting component; 231. cutting knife; 24. pushing component; 241. molding pushing column; 242. material strip pushing column. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0038] The present invention will be further described below in conjunction with the embodiments.

[0039] In some embodiments, please refer to the attached instructions. Figure 1-9 , a production device for a VCM motor base, comprising an upper mold shell 1;

[0040] The upper mold shell 1 is connected with an injection molding cutting assembly 2 for one-step molding by injection molding and cutting;

[0041] The injection molding and cutting assembly 2 includes a stress increasing assembly 21, an injection molding assembly 22, a synchronous cutting assembly 23 and a material pushing assembly 24; the injection molding assembly 22, the synchronous cutting assembly 23 and the material pushing assembly 24 are all connected to the stress increasing assembly 21, the stress increasing assembly 21, the injection molding assembly 22 and the synchronous cutting assembly 23 are all connected to the upper mold shell 1, and the synchronous cutting assembly 23 and the material pushing assembly 24 are all connected to the injection molding assembly 22;

[0042] The stress increasing assembly 21 includes material strips 211 and 212; a plurality of groups 212 are mounted on the material strip 211, and the upper mold shell 1, the injection molding assembly 22, the synchronous cutting assembly 23 and the material pushing assembly 24 are all connected to the material strip 211;

[0043] The injection molding assembly 22 includes an upper mold inner shell 221, an injection hole 222, a lower mold 223 and an auxiliary component 224; the outer wall of the upper mold inner shell 221 is fixedly connected to the inner wall of the upper mold outer shell 1, the injection hole 222 penetrates the upper mold inner shell 221, the bottom end of the auxiliary component 224 is fixedly connected to one side of the top end of the lower mold 223, and the top end of the lower mold 223 is clamped to one side of the material strip 211;

[0044] The bottom end of the upper mold inner shell 221, the top end of the injection hole 222 and the side end of the auxiliary member 224 together form an injection cavity, the injection hole 222 is connected to the injection cavity, and 212 is located inside the injection cavity;

[0045] The top ends of the lower mold 223 and the auxiliary member 224 are both in contact with the bottom end of the material strip 211; the bottom end of the upper mold housing 1 is in contact with the top end of the material strip 211;

[0046] The synchronous cutting assembly 23 is composed of six sets of cutting knives 231; the six sets of cutting knives 231 are in contact with and connected to the material belt 211, and the inner wall of the upper mold outer shell 1 and the outer wall of the upper mold inner shell 221 are both fixedly connected to the six sets of cutting knives 231;

[0047] The bottom end of the upper mold outer shell 1 is lower than the cutting knife 231 and higher than the upper mold inner shell 221;

[0048] The pusher assembly 24 includes four sets of molding pusher columns 241 and material strip pusher columns 242; the four sets of molding pusher columns 241 and material strip pusher columns 242 all penetrate the lower mold 223, and the top outer walls of the four sets of molding pusher columns 241 and material strip pusher columns 242 are slidably connected to the inner wall of the lower mold 223, the top ends of the four sets of molding pusher columns 241 are inserted into the injection mold cavity to contact and connect with the molded product, and the top ends of the material strip pusher columns 242 are in contact and connection with the bottom end of the material strip 211;

[0049] Put 212 on the material strip 211 of the stress increasing component 21 of the injection cutting component 2, put the material strip 211 on the lower mold 223 and the top of the auxiliary component 224 of the injection molding component 22, the top of the auxiliary component 224 clamps the material strip 211, and positions the material strip 211. At this time, the top of the four-group molding pushing column 241 is inserted into the injection molding cavity, and the material strip pushing column 242 is in contact with the material strip 211. The upper mold shell 1 drives the upper mold inner shell 221 and the injection hole 222 to descend, and the lower mold 223 rises until the bottom end of the upper mold shell 1 contacts the material strip 211, and the six groups of cutting knives 231 of the synchronous cutting component 23 follow the material strip. The belt 211 drops down again and cuts off the material belt 211. No additional cutting process is required and it can be completed in one step, saving costs. The bottom end of the upper mold inner shell 221, the top end of the injection hole 222 and the side end of the auxiliary part 224 together constitute the injection cavity. The four groups of molding push pins 241 also assist in injection molding. 212 is located inside the injection cavity and is injected from the injection hole 222 to generate a VCM motor base. 212 is used to improve the bonding force of the product. After the injection molding is completed, the upper mold outer shell 1 rises and the lower mold 223 descends. The molding push pins 241 and the material belt push pins 242 remain stationary to push the product and the material belt 211 to be demolded.

[0050] In some embodiments, Figure 1-9As shown, as a preferred embodiment of the present invention, the top end of the upper mold shell 1 is fixedly connected to the external mold base; the bottom end of the lower mold 223 is fixedly connected to the mold base;

[0051] In some embodiments, Figure 1-9 As shown, as a preferred embodiment of the present invention, preferably, the length of the four-group molding pusher column 241 and the material strip pusher column 242 is 2-3 times the length of the lower mold 223;

[0052] The molding push pin 241 and the strip push pin 242 are used for demoulding.

[0053] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A production device for a VCM motor base, comprising an upper mold shell (1), characterized in that: The upper mold shell (1) is connected to an injection molding cutting assembly (2) for one-step molding by injection molding and cutting; The injection molding and cutting component (2) comprises a stress increasing component (21), an injection molding component (22), a synchronous cutting component (23) and a material pushing component (24); the injection molding component (22), the synchronous cutting component (23) and the material pushing component (24) are all connected to the stress increasing component (21), the stress increasing component (21), the injection molding component (22) and the synchronous cutting component (23) are all connected to the upper mold shell (1), and the synchronous cutting component (23) and the material pushing component (24) are all connected to the injection molding component (22).

2. The production equipment of the VCM motor base according to claim 1, characterized in that: The stress increasing component (21) comprises material belts (211) and (212); a plurality of groups (212) are installed on the material belt (211); the upper mold shell (1), the injection molding component (22), the synchronous cutting component (23) and the material pushing component (24) are all connected to the material belt (211).

3. The production equipment of the VCM motor base according to claim 2, characterized in that: The injection molding assembly (22) comprises an upper mold inner shell (221), an injection hole (222), a lower mold (223) and an auxiliary component (224); the outer wall of the upper mold inner shell (221) is fixedly connected to the inner wall of the upper mold outer shell (1), the injection hole (222) passes through the upper mold inner shell (221), and the bottom end of the auxiliary component (224) is fixedly connected to one side of the top end of the lower mold (223).

4. The production equipment of the VCM motor base according to claim 3, characterized in that: The top end of the lower mold (223) is clamped with one side of the material strip (211).

5. The production equipment of the VCM motor base according to claim 4, characterized in that: The bottom end of the upper mold inner shell (221), the top end of the injection hole (222) and the side end of the auxiliary part (224) together form an injection cavity, the injection hole (222) is connected to the injection cavity, and (212) is located inside the injection cavity.

6. The production equipment of the VCM motor base according to claim 5, characterized in that: The top ends of the lower mold (223) and the auxiliary component (224) are both in contact with and connected to the bottom end of the material strip (211); and the bottom end of the upper mold shell (1) is in contact with and connected to the top end of the material strip (211).

7. The production equipment of the VCM motor base according to claim 6, characterized in that: The synchronous cutting assembly (23) comprises six groups of cutting knives (231); the six groups of cutting knives (231) are in contact with and connected to the material strip (211); the inner wall of the upper mold outer shell (1) and the outer wall of the upper mold inner shell (221) are both fixedly connected to the six groups of cutting knives (231).

8. The production equipment of the VCM motor base according to claim 7, characterized in that: The bottom end of the upper mold outer shell (1) is lower than the cutting knife (231) and higher than the upper mold inner shell (221).

9. The production equipment of the VCM motor base according to claim 8, characterized in that: The pushing assembly (24) comprises four groups of the molding pushing columns (241) and the material strip pushing columns (242); the four groups of the molding pushing columns (241) and the material strip pushing columns (242) all penetrate the lower mold (223), and the top outer walls of the four groups of the molding pushing columns (241) and the material strip pushing columns (242) are all slidably connected to the inner wall of the lower mold (223), the top ends of the four groups of the molding pushing columns (241) are inserted into the injection molding cavity and contact and connect with the molded product, and the top ends of the material strip pushing columns (242) are contact and connect with the bottom end of the material strip (211).

10. A method for using the production equipment of the VCM motor base according to claim 9, characterized in that: The following steps are involved: Step 1: (212) inserting the material strip (211) of the stress increasing component (21) of the injection molding cutting component (2); Step 2: placing the material strip (211) on the lower mold (223) of the injection molding assembly (22) and the top of the auxiliary component (224), and the top of the auxiliary component (224) clamps the material strip (211); Step 3: The upper mold shell (1) drives the upper mold inner shell (221) and the injection hole (222) to descend, and the lower mold (223) rises until the bottom end of the upper mold shell (1) contacts the material strip (211); Step 4: The six sets of cutting knives (231) of the synchronous cutting assembly (23) descend along with the material strip (211) to cut the material strip (211); Step 5: The bottom end of the upper mold inner shell (221), the top end of the injection hole (222) and the side end of the auxiliary part (224) together form an injection cavity, and the four-group molding push rod (241) also assists in injection molding, and (212) is located inside the injection cavity, and injects from the injection hole (222) into the injection cavity; Step 6: After the injection molding is completed, the upper mold shell (1) rises, the lower mold (223) descends, and the molding push pin (241) and the material strip push pin (242) remain stationary to push the product and the material strip (211) out of the mold.

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