Splitter plate runner pressure disc aperture hole machining process

Abstract

The invention relates to the technical field of hot runners, in particular to a splitter plate runner pressure disc aperture hole machining process. The honing device comprises a honing device body and a clamping jig arranged on the honing device body. The clamping jig is characterized by comprising a fixed base arranged on a platform corresponding to a machining tool of the honing equipment, a shaft seat arranged on the fixed base, a fixed outer shaft fixedly mounted on the platform of the honing equipment, and a profiling shaft seat arranged in the fixed outer shaft, the clamping groove assembly and the buckle pressing plate assembly are arranged at the two ends of the profiling shaft seat respectively. The device has the beneficial effects that according to the technical scheme, the splitter plate is fixedly installed by arranging the specific fixing jig, quality abnormity caused by workpiece movement in the machining process is effectively prevented by adopting one-clamping and one-pressing, then machining is conducted through honing equipment, after machining is completed, burrs do not exist, the surface is in a crossed net shape, and the machining efficiency is improved. Glue seepage of the pouring gate can be effectively prevented, and efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of hot runners, and in particular to a process for machining an aperture hole of a pressure dish in a manifold runner. Background Art

[0002] Nowadays, hot runner systems are widely used in plastic molds. The requirements for product quality control are getting higher and higher, and the requirements for manifold runner gates are also constantly improving.

[0003] In the existing technology, the current processing technology is CNC milling-wire cutting. The surface quality of wire cutting is poor, and burrs will be generated during the processing of wire cutting. Further post-processing is required to meet some high-demand processing requirements. Often, the roughness after processing cannot meet customer requirements.

[0004] There are many factors that affect the straightness and verticality of wire cutting holes. For example, the clamping method of wire cutting is ordinary clamping of the fixture. Due to the processing properties of wire cutting, there is no room for fixture optimization. It is easy to produce poor verticality and passability, affecting the processing quality.

[0005] Therefore, it is necessary to design a manifold flow channel pressure disc aperture hole processing technology to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a process for machining the aperture holes of the flow channel pressure disc of a manifold to overcome the above-mentioned deficiencies in the current prior art.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A process for machining the aperture hole of a manifold flow channel pressure disc, comprising a honing device and a clamping fixture arranged on the honing device, characterized in that: the clamping fixture comprises a fixed base arranged on a platform corresponding to a machining tool of the honing device, a shaft seat arranged on the fixed base, a fixed outer shaft fixedly mounted on the platform of the honing device, a contoured shaft seat placed in the fixed outer shaft, a slot assembly respectively arranged at both ends of the contoured shaft seat and a buckle pressure plate assembly;

[0009] The specific processing technology includes the following:

[0010] The raw material is clamped on the milling machine and fixed, and the milling machine automatically processes the shape of the hot runner channel and the hole groove of the inner channel;

[0011] Install the processed hot runner plate into the contoured groove of the contoured shaft seat and fix it with the internal fixture;

[0012] Cover the card plate, the card plate rotates along the shaft, and slides into the card slot along the inclination angle of the card slot block. The pressing block presses the upper surface of the product and then tightens the nut to strengthen the pressing force of the pressing block.

[0013] Thereby fixing and completing the installation;

[0014] The flow channel of the manifold is honed by honing equipment. After honing, the surface is in a cross-net shape, completing the remaining processing.

[0015] Preferably, a connecting rod is provided through the fixed outer shaft, and a locking stud connected to the connecting rod is matched, and a limiting hole groove is also provided around the fixed outer shaft.

[0016] Preferably, a bottom fixing fixture is provided in the contoured shaft seat for fixing in conjunction with the diverter plate flow channel; steps are provided around the fixture base, through holes are provided on the fixture for honing, fixing holes are also provided on both sides for fixing, and limiting hole grooves are provided on the surface of the fixture for limiting the placement and rotation of the product.

[0017] Preferably, a profiling groove for matching the placement of the product is provided in the profiling shaft seat, and a fixing hole is provided at a corresponding position. The profiling shaft seat is a T-shaped structure, and the bottom is embedded in the shaft seat.

[0018] Preferably, the slot assembly and the buckle pressure plate assembly are arranged corresponding to each other, and the slot assembly includes a slot fixing block fixed to the outer edge of the contoured shaft seat, a slot block connected to the slot fixing block, and a slot for card embedding, and a limiting slot is also provided on the slot block, and the end of the slot block is arranged at an inclined angle.

[0019] Preferably, the buckle pressure plate assembly includes an axle seat arranged on the outer side of the contoured axle seat, a clamping plate installed on the axle seat through a rotating shaft and rotating along the rotating shaft, a pressure block placed at the bottom of the clamping plate for cooperating with the product for pressing, and processing grooves respectively arranged on the clamping plate and the pressure block; fixing nuts are provided on both the clamping plate and the pressure plate.

[0020] The beneficial effects of the present invention are as follows: the technical solution fixes and installs the manifold by setting a specific fixing fixture, adopts a clamping and pressing method, effectively preventing the workpiece from moving during processing and causing quality abnormalities, and then processes it through honing equipment. After processing, not only is there no burr but the surface is also a cross-mesh, which can effectively prevent glue seepage from the gate and improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a process for processing the aperture hole of a manifold flow channel pressure disc of the present invention;

[0022] Figure 2It is a schematic diagram of a fixture structure for a process for machining the aperture hole of a manifold flow channel pressure disc of the present invention;

[0023] Figure 3 It is a schematic diagram of a block structure of a manifold flow channel pressure disc aperture hole processing technology of the present invention;

[0024] In the figure: 1. fixed base; 2. shaft seat; 3. fixed outer shaft; 4. contoured shaft seat; 5. slot assembly; 6. buckle pressure plate assembly; 31. connecting rod; 32. locking stud; 33. contoured groove; 51. slot block; 52. slot; 53. limit pin; 61. shaft seat; 62. clamping plate; 63. pressure block; 64. processing groove. DETAILED DESCRIPTION

[0025] Reference Figure 1-3 , a process for machining a manifold flow channel pressure disc aperture hole, comprising a honing device and a clamping fixture arranged on the honing device;

[0026] The clamping fixture comprises a fixed base 1 arranged on the platform corresponding to the tool of the honing equipment, an axle seat 2 arranged on the fixed base, a fixed outer shaft 3 fixedly installed on the platform of the honing equipment, a contoured axle seat 4 placed in the fixed outer shaft, a slot assembly 5 and a buckle pressure plate assembly 6 respectively arranged at both ends of the contoured axle seat;

[0027] In order to conveniently fix the fixed outer shaft 3 on the honing equipment platform, a connecting rod 31 is provided through the fixed outer shaft, and a locking stud 32 connected with the connecting rod is matched; the locking stud is fixedly connected to the base of the honing platform to achieve fixation, and the fixed outer shaft is fixed by connecting the locking stud with the connecting rod;

[0028] A limiting hole groove is also arranged around the fixed outer shaft 3, and the depth of the adjusting nut is adjusted by inserting the nut, so as to limit the position of the profiling shaft seat 4, and the position of the profiling shaft seat 4 can be quickly adjusted as needed;

[0029] A bottom fixing fixture 7 is provided in the contoured shaft seat for fixing with the manifold flow channel; steps are provided around the base of the fixture 7 to facilitate installation and positioning with the bottom of the shaft seat 2, and a through hole 71 is provided on the fixture 7 for honing, and fixing holes 72 are provided on both sides for fixing, and a limiting hole groove 73 is provided on the surface of the fixture 7 for limiting the placement and rotation of the product, and a positioning pin is installed in the limiting hole groove, and the positioning pin is limited with the product to play a limiting role; at the same time, the fixing hole 72 can also be fixed and installed with the product;

[0030] The profiling shaft seat is provided with a profiling groove 33 for placing the product, and a fixing hole is provided at the corresponding position;

[0031] The profiling shaft seat is in a T-shaped structure, and the bottom is embedded in the shaft seat 2. The profiling shaft seat 2 can be adjusted, specifically according to the position of the honing tool or according to other requirements;

[0032] The card slot assembly 5 and the card buckle pressure plate assembly 6 are arranged corresponding to each other, and the card slot assembly 5 includes a card slot fixing block fixed on the outer side of the contoured shaft seat, a card slot block 51 connected to the card slot fixing block, and a card slot 52 for card embedding;

[0033] In order to limit the position of the slot block, a limiting groove is also provided on the slot block, and a limiting pin 53 is provided outside the contoured shaft seat and embedded in the limiting groove;

[0034] In order to facilitate insertion into the card slot, the end of the card slot block is arranged at an inclined angle, so that the end of the card plate can be inserted into the card slot along the inclined angle for fixation.

[0035] The buckle pressure plate assembly 6 includes an axle seat 61 arranged on the outer side of the contoured axle seat, a clamping plate 62 installed on the axle seat through a rotating shaft and rotating along the rotating shaft, a pressure block 63 placed at the bottom of the clamping plate for cooperating with the product pressing, and processing grooves 64 respectively arranged on the clamping plate and the pressure block; the clamping plate 62 and the pressure plate 63 are both provided with fixing nuts, and the upper surface of the product is pressed by tightening the fixing nuts; the product processing activities are prevented.

[0036] The pressing block 63 has mounting holes 633 on both sides for threaded fixing with the clamping plate 62, a boss 631 is provided in the middle, and a tapered hole 632 is provided in the boss, and one end of the tapered hole has a large diameter for easy entry of the honing tool. The boss 631 is partially embedded in the clamping plate 62 for installation.

[0037] The processing grooves of the clamping plate and the pressing block are arranged concentrically, and the product processing part is exposed, so as to cooperate with the tool of the honing equipment to deeply cooperate with the product processing.

[0038] The fixed base 1, the shaft seat 2, and the fixed outer shaft 3 are all arranged in the same concentric circle;

[0039] The clamping plate 62 rotates along the rotating shaft and slides into the clamping slot along the inclined angle of the clamping slot block, thereby pressing the upper surface of the product, and then the clamping force of the clamping block 63 is strengthened by tightening the nut to fix it.

[0040] In order to prevent waste from affecting the processing accuracy, a processing fluid outlet is also provided on the clamping fixture;

[0041] The implementation method of the present invention is to clamp the raw material onto a milling machine and fix it, and the milling machine automatically processes the shape of the hot flow plate flow channel and the hole groove of the inner flow channel;

[0042] The processed hot runner plate is installed into the contoured groove 31 of the contoured shaft seat and fixed with the internal fixture;

[0043] Cover the card plate, the card plate rotates along the rotating shaft, and slides into the card slot along the inclination angle of the card slot block, the pressing block presses the upper surface of the product and then tightens the nut to strengthen the pressing force of the pressing block, thereby fixing and completing the installation;

[0044] The flow channel of the manifold is honed by a honing device, and the surface after honing is in a cross-net shape, completing the processing.

[0045] The benefits of the present invention are that the technical solution fixes and installs the manifold by setting a specific fixing fixture, and adopts a clamping and pressing method to effectively prevent the workpiece from moving during the processing and causing quality abnormalities. After processing through honing equipment, not only is there no burr after processing, but the surface has a cross-mesh shape, which can effectively prevent glue seepage from the gate and improve efficiency.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A process for machining the aperture of a manifold flow channel pressure disc, comprising a honing device and a clamping fixture arranged on the honing device, characterized in that: The clamping fixture comprises a fixed base arranged on the platform corresponding to the machining tool of the honing equipment, an axle seat arranged on the fixed base, a fixed outer shaft fixedly installed on the platform of the honing equipment, a contoured axle seat placed in the fixed outer shaft, a slot assembly and a buckle pressure plate assembly respectively arranged at both ends of the contoured axle seat; The specific processing technology includes the following: The raw material is clamped on the milling machine and fixed, and the milling machine automatically processes the shape of the hot runner channel and the hole groove of the inner channel; Install the processed hot runner plate into the contoured groove of the contoured shaft seat and fix it with the internal fixture; Cover the card plate, the card plate rotates along the rotating shaft, and slides into the card slot along the inclination angle of the card slot block, the pressing block presses the upper surface of the product and then tightens the nut to strengthen the pressing force of the pressing block, thereby fixing and completing the installation; The flow channel of the manifold is honed by honing equipment. After honing, the surface is in a cross-net shape, completing the remaining processing.

2. A process for machining the aperture hole of a manifold flow channel pressure disc according to claim 1, characterized in that: The fixed outer shaft is penetrated by a connecting rod, and a locking stud connected to the connecting rod is matched, and a limiting hole groove is also arranged around the fixed outer shaft.

3. The process for machining the aperture hole of the manifold flow channel pressure disc according to claim 1, characterized in that: A bottom fixing fixture is arranged in the contoured shaft seat for fixing in conjunction with the diverter plate flow channel; steps are arranged around the fixture base, through holes are arranged on the fixture for honing, fixing holes are also arranged on both sides for fixing, and a limiting hole groove is arranged on the surface of the fixture for limiting the placement and rotation of the product.

4. A process for machining the aperture hole of a manifold flow channel pressure disc according to claim 1, characterized in that: The profiling shaft seat is provided with a profiling groove for matching the product placement, and a fixing hole is arranged at a corresponding position. The profiling shaft seat is a T-shaped structure, and the bottom is embedded in the shaft seat.

5. The process for machining the aperture hole of the manifold flow channel pressure disc according to claim 1, characterized in that: The card slot assembly and the buckle pressure plate assembly are arranged corresponding to each other. The card slot assembly includes a card slot fixing block fixed on the outer side of the contoured shaft seat, a card slot block connected to the card slot fixing block, and a card slot for card embedding. A limiting groove is also provided on the card slot block, and the end of the card slot block is arranged at an inclined angle.

6. A process for machining the aperture of a manifold flow channel pressure disc according to claim 5, characterized in that: The buckle pressure plate assembly includes an axle seat arranged on the outer side of the contoured axle seat, a clamping plate installed on the axle seat through a rotating shaft and rotating along the rotating shaft, a pressure block placed at the bottom of the clamping plate for cooperating with the product for pressing, and processing grooves respectively arranged on the clamping plate and the pressure block; both the clamping plate and the pressure plate are provided with fixing nuts.

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