A plastic spraying machine for hardware product production and plastic spraying process thereof

By using a rotating frame and a engaging replacement mechanism in the hardware product spraying machine, the problem of inconvenience in bracket replacement is solved, the continuity and efficiency of the plastic spraying process are improved, and the integrity of the surface of the hardware is ensured.

CN118577432BActive Publication Date: 2024-12-10RUIAN TELIAN HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202411068669.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2024-12-10
Estimated Expiration
2044-08-06

AI Technical Summary

Technical Problem

When using multi-rod and rotary type plastic spraying machines, it is not convenient to quickly replace the bracket, which affects working efficiency and affects the surface integrity of the hardware.

Method used

A plastic sprayer for hardware products was designed, using a structure that combines the plastic sprayer body with the rotating frame. Through the engaging replacement mechanism, limiting and fixing mechanism and reset elastic structure, the stable assembly and rapid replacement of the bracket are achieved to ensure that Continuity and integrity of the plastic spraying process.

Benefits of technology

It improves the service life of the rotating frame and the stability of the bracket, reduces malfunctions during the plastic spraying process, enhances the plastic spraying effect, improves the working efficiency and the surface integrity of the hardware.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a plastic spraying machine and a plastic spraying process for hardware product production. The machine is provided with a plastic spraying machine body placed on the ground for operation, and a spray head mechanical arm is symmetrically installed on the inner surface of the plastic spraying machine body; the machine comprises: an inlet and outlet, which is opened at the rear ends of the left and right sides of the inner surface of the plastic spraying machine body, and an adjustment frame is connected to the upper surface of the plastic spraying machine body, and a main shaft is installed on the lower surface of the adjustment frame, and a rotating frame is nested and connected to the outer surface of the main shaft. A snap-fit ​​replacement mechanism is provided to facilitate the stable assembly of the top block and the bottom block on the rotating frame, and during assembly, the set card blocks are used to stably form a limited snap fit, which can effectively improve the service life of the rotating frame, and is also convenient for forming a stable support for the quick-release parts, and replacing and using them, improving the stability of use, and after the bracket of the quick-release parts is positioned, the nesting grooves provided on the base form a limited support, and positioning control to prevent misalignment.
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Description

Technical Field

[0001] The invention relates to the technical field of plastic spraying machines for producing hardware products, in particular to a plastic spraying machine for producing hardware products and a plastic spraying process thereof. Background Art

[0002] When hardware products are produced, the parts need to be sprayed on the surface, so the corresponding spraying machine is needed to carry out effective spraying work, and the spraying head can be controlled manually or by a mechanical arm to spray the hardware products, and after the spraying is completed, it is moved to the oven for molding on its surface. However, there are still some problems in the use of existing spraying machines;

[0003] In the prior art, the authorization publication number: CN114985179A in "a kind of plastic spraying machine" includes a protection component, the protection component includes a protection cover and a sealing door, the sealing door is arranged on one side of the protection cover; a cleaning component includes at least one cleaning member, the cleaning member includes a cleaning plate, a water supply member and a plurality of nozzles, a clearance groove is provided on one side of the protection cover adjacent to the sealing door, the cleaning plate is slidably connected with the protection cover along the clearance groove, the water supply member is connected with the cleaning plate, the water supply member is used to supply water to the cleaning plate, and the plurality of nozzles are all connected with the side of the cleaning plate away from the sealing door;

[0004] During the operation of the above device, it is convenient to clean the dust and reduce the harm of dust and harmful gases to the health of operators, but it is not convenient to clean it in time, which may cause flying dust and affect the surface of the hardware products adsorbed by the spraying;

[0005] In the prior art, the "plastic spraying equipment for hardware accessories" in the authorization publication number: CN218223083U includes a frame as the main structure of the equipment, a main clamp is arranged in the frame to fix one end of the hardware accessory and drive it to rotate, a secondary clamp is arranged on one side of the main clamp to fix the other end of the hardware accessory, and a plastic spraying mechanism is arranged above the main clamp and the secondary clamp to spray the hardware accessory evenly;

[0006] In the prior art, the authorization publication number: CN219424693U "a plastic spraying machine" includes a drying mechanism. After the plastic spraying is completed, the staff pushes the curing box to allow the power distribution cabinet to enter the curing box, and then seals the opening of the curing box through a sealing plate. The hot air blower blows hot air into the cavity. The inner wall of the curing box made of copper alloy quickly absorbs the heat of the hot air, so that the temperature inside the curing box increases;

[0007] During the operation of the above-mentioned device, the warm light lamp works at the same time, making the inside of the curing box in a high temperature state, baking the distribution cabinet, so that the powder coating on its surface melts, levels and solidifies, and the servo turntable cooperates to drive the distribution cabinet to rotate, so that the surface of the distribution cabinet is heated evenly and solidified evenly, making the device more integrated and avoiding the powder coating sprayed on the surface of the distribution cabinet from falling off, so that the spraying effect is better. However, when using multiple rods to act on the same bracket support and using a turntable to replace the spray, it is not convenient to quickly replace the bracket, and a separate batch of spraying needs to be taken out and loaded again for spraying, which affects work efficiency and affects the surface integrity of other hardware parts that have been sprayed. Summary of the invention

[0008] The object of the present invention is to provide a plastic spraying machine and a plastic spraying process for the production of hardware products, so as to solve the problems raised in the above background technology that when multiple rods are used to act on the same bracket support and a turntable type is used to replace the plastic spraying, it is inconvenient to quickly replace the bracket, and a separate batch of plastic spraying needs to be taken out and loaded again for plastic spraying, which affects work efficiency and affects the surface integrity of other hardware parts that have been sprayed.

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a plastic spraying machine for hardware product production and a plastic spraying process thereof, which is provided with a plastic spraying machine body placed on the ground for operation, and a spray head mechanical arm is symmetrically installed on the inner surface of the plastic spraying machine body;

[0010] The invention comprises: a material inlet and outlet, which are opened at the rear ends of the left and right sides of the inner surface of the spray molding machine body, and an adjustment frame is connected to the upper surface of the spray molding machine body, and a main shaft is installed on the lower surface of the adjustment frame, and a rotating frame is nested and connected to the outer surface of the main shaft, and a locking replacement mechanism is arranged at equal angles on the rotating frame;

[0011] A positioning bar is nested and connected to the inner surface of the top block assembled by the rotating frame, and a quick release part is installed on the lower surface of the positioning bar, and a pull rod and a slider are slidably connected to the inner surface of the quick release part, and a clamping part is installed on the outer surface of the slider, and the pull rod is squeezed and connected to the clamping part, and the outer surface of the clamping part is clamped and connected to the positioning seat, and a limited position clamping mechanism is provided on the quick release part;

[0012] The extrusion rods are symmetrically installed on the upper surface of the adjustment frame, and the symmetrical extrusion rods are nested with extrusion shafts, and a cam is installed on the upper surface of the extrusion shaft, and the cam is rotated on the upper surface of the injection molding machine body. At the same time, the inner surface of the injection molding machine body is rotatably connected with a threaded rod, and the outer surface of the threaded rod is threadedly connected with a sealing plate, and the sealing plate is limitedly slid on the inner surface of the injection molding machine body, and one end of the outer surface of the sealing plate is connected to the outside of the shaft rod of the rotating frame. At the same time, an exhaust piece is installed on the lower side of the inner surface of the injection molding machine body, and an exhaust groove is opened on the inner surface of the exhaust piece.

[0013] Preferably, the inner surface of the rotating frame of the engaging replacement mechanism is nested and connected with a top block, and the middle section of the inner surface of the top block is rotatably connected with a nesting shaft, and the lower surface of the rotating frame is nested and connected with a base, and a nesting groove is provided on the upper surface.

[0014] Through the above structure, the rotating frame can stably assemble the top block and the base when in use.

[0015] Preferably, the inlet and outlet ports are symmetrically arranged about the middle section of the inner surface of the injection molding machine body, and the injection molding machine body forms a rotating structure with the adjusting frame through the main shaft, and the main shaft and the rotating frame form a nested structure, and the outer surface of the rotating frame is fitted with the inner surface of the injection molding machine body, and the upper and lower sides of the rotating frame respectively form a limited sliding structure with the top block and the base, and the top block and the base both form a rotating structure with the nested shaft, and the top block and the base are arranged at equal angles with respect to the central axis of the inner surface of the rotating frame.

[0016] Through the above structure, it is convenient to stably control the nesting and rotation of the rotating frame during use, and the top block and the bottom block can be assembled to form a replacement to avoid excessive damage to the rotating frame.

[0017] Preferably, a rotating disk is installed on the outer surface of the nested shaft, and the rotating disk is nested in the inner surface of the nested shaft, and the outer surface of the rotating disk is rotatably connected to a connecting rod, and the other end of the outer surface of the connecting rod is rotatably connected to a clamping block, and the clamping block slides on the inner surface of the top block, and the outer surface end of the clamping block is clamped and connected to a rotating frame, and a positioning seat is installed on the lower surface of the top block;

[0018] The turntable and the nested shaft form an integrated structure, and the nested shaft forms a circular linear moving structure through the turntable, the connecting rod and the clamping block, and the clamping block and the top block form a sliding structure. At the same time, the top block forms a limited locking structure with the rotating frame through the clamping block, and the top block and the positioning seat form an integrated structure.

[0019] Through the above structure, it is convenient to control the rotation of the nesting shaft through a special wrench during use, so as to adjust the position of the clamping block in linkage, so that the clamping block can stably clamp the top block and the base on the rotating frame, and cooperate with the use of the reset elasticity to prevent the top block and the bottom block from falling off.

[0020] Preferably, a nested piece is installed on the lower surface of the quick-release part in the limit locking mechanism, and the inner surface of the nested piece is nested and connected with a bracket, and a spur gear is installed on the outer surface of the bracket, and a rack is meshed on the outer surface of the spur gear, and a support rod is installed on the upper surface of the rack, and a support rod is installed on the outer surface of the bracket.

[0021] Through the above structure, the nesting assembly between the nested parts can be effectively controlled during use, and when the bracket is working, the spur gear cooperates with the rack to control the rotation angle of the bracket for spraying the other side of the hardware on the support rod.

[0022] Preferably, the positioning bar and the top block form a nested sliding structure, and the positioning bar and the quick-release part form an integrated structure, and the quick-release part forms an elastic sliding structure through a reset spring and a pull rod, and the quick-release part forms an elastic sliding structure with a clamping part through a reset spring and a slider, while the pull rod and the clamping part form an oblique extrusion structure, and the quick-release part forms a limiting locking structure with the clamping part and the positioning seat through the clamping part, and the quick-release part forms a built-in rotating structure with the bracket through the nested part, and the bracket forms a meshing rotating structure with the rack through the spur gear.

[0023] Through the above structure, the pull rod can be stably adjusted and the position of the control card can be squeezed during use, so that the quick-release part can be quickly nested on the top block and prevented from falling off. The bracket can be controlled to rotate for use by using spur gears and arc-shaped racks.

[0024] Preferably, a hole groove is provided on the upper surface of the bracket, and a damping column is nested and connected on the inner surface of the hole groove, and the damping column is elastically slidably assembled on the inner surface of the nested part, and a limiting groove is provided on the lower surface of the bracket, and the outer surface of the limiting groove is slidingly connected to a limiting block, and a bottom block is installed on the outer surface of the limiting block, and the bottom block is nested on the lower side of the outer surface of the bracket through a reset spring.

[0025] Through the above structure, when the bracket rotates during use, the hole groove of the concave semicircular structure can be used in conjunction with the damping column and the nested part to control the stability of the bracket during rotation, and through the retractable bottom block, it is convenient for the sliding support of the quick-release parts and the control of the positioning of the bottom of the bracket.

[0026] Preferably, the hole grooves are opened at equal angles with respect to the middle section of the inner surface of the bracket, and the bracket forms a limiting snap-fit ​​structure with the nested part through the hole groove, the damping column and the return spring, and the inner surface shape of the hole groove is an arc-shaped structure. At the same time, the bracket forms a limiting nesting structure with the limiting groove and the limiting block, and the limiting block and the bottom block form an integrated structure, and the bottom block forms an elastic nesting structure with the bracket through the return spring, and the bottom block and the nesting groove form a built-in nesting structure.

[0027] Through the above structure, it is easy to stably control the bracket to prevent dislocation and excessive movement when rotating during use, and through the use of the bottom block, the convenience of quick installation and removal of the bracket can be controlled.

[0028] Preferably, the extrusion rod and the adjustment frame form an integrated structure, and the adjustment frame forms an extrusion sliding structure through the extrusion rod and the extrusion shaft, and the extrusion shaft forms a rotating structure with the injection molding machine body through the cam, and at the same time, the injection molding machine body forms a threaded adjustment sliding structure through the threaded rod and the sealing plate, and the sealing plate and the rotating frame form a sealing structure, and the injection molding machine body and the lower surface of the exhaust part are embedded in the installation.

[0029] Through the above structure, the plastic spraying area is effectively sealed during use to prevent the plastic spraying material from scattering, and the cam is arranged to control the stability of the rotation of the rotating frame, and the residual material is recovered through the exhaust member.

[0030] A plastic spraying process of a plastic spraying machine for producing hardware products comprises the following steps:

[0031] S1. Position the spray molding machine body in the working area, put the bracket on the rotating frame in and out through the inlet and outlet, assemble the top block and the base at equal angles on the inner surface of the rotating frame before using the bracket, and both the top block and the base are controlled and disassembled by the nesting shaft, so as to control the rotation of the nesting shaft, drive the turntable to adjust the connecting rod to synchronously control the position of the card block on the top block, prompt the card block to squeeze the reset spring to shrink into the top block, and after the top block is nested in the rotating frame, separate the special wrench from the nesting shaft, control the card block to cooperate with the reset spring to nest in the inner surface of the rotating frame, and the top block and the base can be stably assembled in the rotating frame;

[0032] S2. After the top block and the base are stably assembled, the nested parts assembled through the inlet and outlet are held in the hand-held bracket to control the pull rod of the quick-release parts on the bracket, and the pull rod is pulled to cause the reset spring connected to it to contract, and the clamp is squeezed by the pull rod to contract in the center, and the reset spring is squeezed to contract, and when the clamp moves, the slider slides relatively in the quick-release part, so as to control the quick-release parts and the positioning strips assembled thereon to slide nested on the inner surface of the top block, and after moving to the bottom end of the top block, the pull rod is loosened, so as to cooperate with the pull rod and the clamp to separate The reset of the special assembly, the stable control card is engaged in the assembly of the top block, and when the quick-release parts are assembled, the control bottom block is pre-controlled to cooperate with the limit block, stably slide in the limit groove opened by the bracket, and squeeze the spring between the bottom block and the bracket, and when it reaches the end of the limit groove, the control bottom block is rotated left and right to break away from the vertical position of the limit groove, so as to be nested in the horizontal position of the limit groove, which is convenient for the sliding assembly of the quick-release parts, and after the quick-release parts are assembled, the control bottom block is reset, and the bottom block is nested in the nesting groove to form a center positioning use;

[0033] S3. When the spray molding machine is working, the motor on the spray molding machine is controlled to effectively control the rotation of the cam, and the cam is controlled to drive the extrusion shaft to extrude the extrusion rod, and drive the adjustment frame installed at the bottom of the extrusion rod to cooperate with the main shaft to rotate on the inner surface of the spray molding machine body. When a group of hardware parts are rotated to the spraying area through the bracket, the motor assembled on the side of the spray molding machine body can be stably controlled, and the threaded rod is adjusted to control the sealing plate to slide, and the side of the sealing plate is controlled to fit with the outer surface of the rotating frame, so as to control the spray head mechanical arm to spray the hardware parts, and according to the spraying time of the hardware parts and the contraction time of the sealing plate, the rotation time of the cam is controlled. After the spraying of one side of a group of hardware parts is completed , and when a group of un-sprayed hardware is added, the bracket will be continuously controlled to rotate, and the bracket will mesh with the rack installed on the support rod through the installed spur gear, so as to control the bracket to flip to the next group of nozzle mechanical arms, and spray the other side of the hardware. When the bracket rotates, the elastic cooperation between the damping column connected to the reset spring assembled with the quick-release parts through the opened holes and slots can control the stability of the bracket after rotation to prevent excessive rotation, so that the loading, spraying, flipping and unloading can be effectively circulated in this way. After a product or color is sprayed, as well as in the working area, the setting of the exhaust parts and the exhaust slots can be controlled to recycle the unabsorbed ones.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] 1. A snap-fit ​​replacement mechanism is provided to facilitate the stable assembly of the top block and the bottom block on the rotating frame. During assembly, the set snap-fit ​​mechanism can stably form a limit snap-fit, which can effectively increase the service life of the rotating frame, and is also convenient for forming a stable support for the quick-release parts, and replacing and using them to improve the stability of use. After the bracket assembled by the quick-release parts is positioned, the nesting groove opened on the base can form a limit support and positioning control to prevent dislocation;

[0036] Furthermore, it is convenient to control the rotation of the nesting shaft through a special wrench, thereby adjusting the position of the clamping block in linkage, so that the clamping block can stably clamp the top block and the base on the rotating frame, and cooperate with the use of the reset elasticity to prevent the top block and the bottom block from falling off;

[0037] 2. A limited position clamping mechanism is provided to effectively control the position of the pull rod of the quick-release assembly, and squeeze the clamping member of the slider assembly, so as to control the quick-release assembly to cooperate with the positioning strip and be effectively assembled on the top block, so as to effectively control the stability of the bracket assembly, and after the bracket is assembled, the cooperation between the bottom block and the nesting groove is effectively used to improve the stability of the bracket during later rotation;

[0038] 3. A cam is provided for easy rotation to effectively control the position of the extrusion shaft, thereby adjusting the angle of the adjustment frame assembled by the extrusion rod and controlling the angle of the bracket. When the bracket is adjusted, the spur gear assembled by the bracket is meshed with the arc rack to control the angle of the bracket. When the bracket is adjusted, the damping rod and the return spring, as well as the use of the hole slot, are used to avoid excessive rotation of the bracket to form a positioning;

[0039] Furthermore, with the seal of the telescopic assembly, the main body of the plastic spraying machine is effectively divided into a loading and unloading area and a plastic spraying area, thereby improving the safety of plastic spraying, and the residual material can be recycled through the exhaust piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a schematic diagram of the three-dimensional structure of the spray molding machine body of the present invention;

[0041] Figure 2 It is a schematic diagram of the semi-sectioned three-dimensional structure of the spray molding machine body of the present invention;

[0042] Figure 3 It is a schematic diagram of a partially cutaway three-dimensional structure of the rotating frame of the present invention;

[0043] Figure 4 For the present invention Figure 3 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0044] Figure 5 This is a schematic diagram of a half-section three-dimensional structure of a top block of the present invention;

[0045] Figure 6 It is a partial cross-sectional three-dimensional structural schematic diagram of the quick-release component of the present invention;

[0046] Figure 7 It is a semi-sectioned three-dimensional structural schematic diagram of the quick-release component of the present invention;

[0047] Figure 8 For the present invention Figure 7 The enlarged three-dimensional structure diagram at B in the middle;

[0048] Fig. 9 It is a schematic diagram of the three-dimensional structure of the extrusion rod of the present invention;

[0049] Fig.10 It is a schematic diagram of a half-section three-dimensional structure of the sealing plate of the present invention.

[0050] In the figure: 1. Plastic spraying machine body; 2. Inlet and outlet; 3. Spindle mechanical arm; 4. Adjustment frame; 5. Main shaft; 6. Rotating frame; 7. Top block; 8. Nesting shaft; 801. Turntable; 802. Connecting rod; 803. Block; 804. Positioning seat; 9. Base; 10. Nesting groove; 11. Positioning strip; 12. Quick release; 13. Pull rod; 14. Slider; 15. Clamp; 16. Nesting piece; 17. Spur gear; 18. Rack; 19. Support rod; 20. Bracket; 2001. Hole groove; 2002. Damping column; 2003. Limiting groove; 2004. Limiting block; 2005. Bottom block; 21. Support rod; 22. Extrusion rod; 23. Extrusion shaft; 24. Cam; 25. Threaded rod; 26. Sealing plate; 27. Exhaust piece; 28. Exhaust groove. DETAILED DESCRIPTION

[0051] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0052] See also Figure 1-Figure 10 The present invention provides a technical solution: a plastic spraying machine for hardware product production and a plastic spraying process thereof, which is provided with a plastic spraying machine body 1 placed on the ground for operation, and a spray head mechanical arm 3 is symmetrically installed on the inner surface of the plastic spraying machine body 1;

[0053] Embodiment 1: Figure 1-Figure 5 The technical solution shown in the figure, the present invention provides the following technical solution: a plastic spraying machine for hardware product production and a plastic spraying process thereof, which discloses:

[0054] The invention comprises: a material inlet and outlet 2, which is opened at the rear ends of the left and right sides of the inner surface of the spray molding machine body 1, and an adjustment frame 4 is connected to the upper surface of the spray molding machine body 1, and a main shaft 5 is installed on the lower surface of the adjustment frame 4, and a rotating frame 6 is nested and connected to the outer surface of the main shaft 5, and the rotating frame 6 is provided with a snap-fit ​​replacement mechanism at equal angles;

[0055] The inlet and outlet ports 2 are symmetrically arranged about the middle section of the inner surface of the injection molding machine body 1, and the injection molding machine body 1 forms a rotating structure with the adjusting frame 4 through the main shaft 5, and the main shaft 5 and the rotating frame 6 form a nested structure, and the outer surface of the rotating frame 6 is fitted with the inner surface of the injection molding machine body 1, and the upper and lower sides of the rotating frame 6 respectively form a limited sliding structure with the top block 7 and the base 9, and the top block 7 and the base 9 both form a rotating structure with the nested shaft 8, and the top block 7 and the base 9 are arranged at equal angles with respect to the central axis of the inner surface of the rotating frame 6.

[0056] A rotating disk 801 is installed on the outer surface of the nesting shaft 8, and the rotating disk 801 is nested in the inner surface of the nesting shaft 8, and the outer surface of the rotating disk 801 is rotatably connected to a connecting rod 802, and the other end of the outer surface of the connecting rod 802 is rotatably connected to a clamping block 803, and the clamping block 803 slides on the inner surface of the top block 7, and the outer surface end of the clamping block 803 is clamped and connected to the rotating frame 6, and a positioning seat 804 is installed on the lower surface of the top block 7;

[0057] The turntable 801 and the nested shaft 8 form an integrated structure, and the nested shaft 8 forms a circular linear moving structure through the turntable 801, the connecting rod 802 and the clamping block 803, and the clamping block 803 and the top block 7 form a sliding structure, while the top block 7 forms a limiting locking structure with the rotating frame 6 through the clamping block 803, and the top block 7 and the positioning seat 804 form an integrated structure.

[0058] Position the spray molding machine body 1 in the working area, and put the bracket 20 on the rotating frame 6 in and out through the inlet and outlet 2. Before the bracket 20 is used, assemble the top block 7 and the base 9 at equal angles on the inner surface of the rotating frame 6, and the top block 7 and the base 9 are controlled and disassembled by the nesting shaft 8, so as to control the rotation of the nesting shaft 8, drive the turntable 801 to adjust the connecting rod 802 to synchronously control the position of the card block 803 on the top block 7, so that the card block 803 squeezes the reset spring to shrink into the top block 7, and after the top block 7 is nested in the rotating frame 6, separate the special wrench from the nesting shaft 8, control the card block 803 to cooperate with the reset spring to nest in the inner surface of the rotating frame 6, and the top block 7 and the base 9 can be stably assembled in the rotating frame 6;

[0059] Embodiment 2: Figure 1 , Figure 2 ,picture, Figure 6 and Figure 7 The technical solution shown, based on the first embodiment, further discloses the assembly of the quick-release component 12, the specific contents of which are as follows:

[0060] The positioning bar 11 is nested and connected to the inner surface of the top block 7 assembled with the rotating frame 6, and a quick release part 12 is installed on the lower surface of the positioning bar 11, and a pull rod 13 and a slider 14 are slidably connected to the inner surface of the quick release part 12, and a clamping part 15 is installed on the outer surface of the slider 14, and the pull rod 13 is squeezed and connected to the clamping part 15, and the outer surface of the clamping part 15 is clamped and connected to the positioning seat 804, and a limited position clamping mechanism is provided on the quick release part 12;

[0061] The inner surface of the rotating frame 6 of the engaging replacement mechanism is nested with a top block 7, and the middle section of the inner surface of the top block 7 is rotatably connected with a nesting shaft 8, and the lower surface of the rotating frame 6 is nested with a base 9, and the upper surface is provided with a nesting groove 10.

[0062] A nesting piece 16 is installed on the lower surface of the quick release part 12 in the limit locking mechanism, and a bracket 20 is nested and connected to the inner surface of the nesting piece 16, and a spur gear 17 is installed on the outer surface of the bracket 20, and a rack 18 is meshed and connected to the outer surface of the spur gear 17, and a support rod 19 is installed on the upper surface of the rack 18, and a support rod 21 is installed on the outer surface of the bracket 20.

[0063] The positioning bar 11 and the top block 7 form a nested sliding structure, and the positioning bar 11 and the quick release part 12 form an integrated structure, and the quick release part 12 forms an elastic sliding structure through a return spring and a pull rod 13, and the quick release part 12 forms an elastic sliding structure with a clamping part 15 through a return spring and a slider 14, and at the same time, the pull rod 13 and the clamping part 15 form an oblique extrusion structure, and the quick release part 12 forms a limiting locking structure with the positioning seat 804 through the clamping part 15, and the quick release part 12 forms a built-in rotating structure with the bracket 20 through the nested part 16, and the bracket 20 forms a meshing rotating structure with the rack 18 through the spur gear 17.

[0064] A hole groove 2001 is provided on the upper surface of the bracket 20, and a damping column 2002 is nested and connected to the inner surface of the hole groove 2001, and the damping column 2002 is elastically slidably assembled on the inner surface of the nesting piece 16, and a limiting groove 2003 is provided on the lower surface of the bracket 20, and the outer surface of the limiting groove 2003 is slidingly connected to the limiting block 2004, and the outer surface of the limiting block 2004 is installed with a bottom block 2005, and the bottom block 2005 is nested on the lower side of the outer surface of the bracket 20 through a reset spring.

[0065] After the top block 7 and the base 9 are stably assembled, the nested piece 16 assembled through the feed inlet and outlet 2 is held by the handheld bracket 20 to control the pull rod 13 assembled with the quick release piece 12 on the bracket 20, and the pull rod 13 is pulled to cause the reset spring connected to it to contract, and the clamping piece 15 is squeezed and contracted in the center by the pull rod 13, and the reset spring is squeezed and contracted for use, and when the clamping piece 15 moves, it cooperates with the slider 14 to slide relatively in the quick release piece 12, so as to control the quick release piece 12 and the positioning strip 11 assembled therein to slide nested on the inner surface of the top block 7, and after moving to the bottom end of the top block 7, the pull rod 13 is loosened, so as to cooperate with the pull rod 13 and the clamping piece 15 to reset respectively, and stably control The card-making component 15 is engaged in the assembly of the top block 7, and when the quick release component 12 is assembled, the bottom block 2005 is controlled in advance to cooperate with the use of the limit block 2004, and is stably slid in the limit groove 2003 opened in the bracket 20, and squeezes the spring between the bottom block 2005 and the bracket 20, and when it reaches the end of the limit groove 2003, the bottom block 2005 is controlled to rotate left and right to break away from the vertical position of the limit groove 2003, so as to be nested in the horizontal position of the limit groove 2003, which is convenient for the sliding assembly of the quick release component 12, and after the quick release component 12 is assembled, the bottom block 2005 is controlled to be reset, and the bottom block 2005 is nested in the nesting groove 10 to form a center positioning use;

[0066] Embodiment 3: Figure 1 , Figure 2 , Figure 5 , Figure 8 , Fig. 9 and Fig.10 The technical solution shown in the figure, based on the second embodiment, also discloses the spraying process of the spraying machine body 1, and its specific contents are as follows:

[0067] The hole groove 2001 is opened at an equal angle with respect to the middle section of the inner surface of the bracket 20, and the bracket 20 forms a limiting snap-fit ​​structure with the nesting member 16 through the hole groove 2001, the damping column 2002 and the return spring, and the inner surface shape of the hole groove 2001 is an arc-shaped structure. At the same time, the bracket 20 forms a limiting nesting structure with the limiting block 2004 through the limiting groove 2003, and the limiting block 2004 and the bottom block 2005 form an integrated structure, and the bottom block 2005 forms an elastic nesting structure with the bracket 20 through the return spring, and at the same time, the bottom block 2005 and the nesting groove 10 form a built-in nesting structure.

[0068] The extrusion rods 22 are symmetrically installed on the upper surface of the adjustment frame 4, and the extrusion shafts 23 are nested and connected between the symmetrical extrusion rods 22, and the upper surface of the extrusion shaft 23 is installed with a cam 24, and the cam 24 is rotated on the upper surface of the injection molding machine body 1, and at the same time, the inner surface of the injection molding machine body 1 is rotatably connected with a threaded rod 25, and the outer surface of the threaded rod 25 is threadedly connected with a sealing plate 26, and the sealing plate 26 is limitedly slid on the inner surface of the injection molding machine body 1, and one end of the outer surface of the sealing plate 26 is connected to the outer side of the shaft of the rotating frame 6, and at the same time, an exhaust piece 27 is installed on the lower side of the inner surface of the injection molding machine body 1, and an exhaust groove 28 is opened on the inner surface of the exhaust piece 27.

[0069] The extrusion rod 22 and the adjustment frame 4 form an integrated structure, and the adjustment frame 4 forms an extrusion sliding structure through the extrusion rod 22 and the extrusion shaft 23, and the extrusion shaft 23 forms a rotating structure with the injection molding machine body 1 through the cam 24. At the same time, the injection molding machine body 1 forms a threaded adjustment sliding structure through the threaded rod 25 and the sealing plate 26, and the sealing plate 26 and the rotating frame 6 form a sealing structure, and the injection molding machine body 1 and the lower surface of the exhaust piece 27 are embedded and installed.

[0070] When the spray molding machine body 1 is working, the motor on the spray molding machine body 1 is controlled to effectively control the rotation of the cam 24, and the control cam 24 drives the extrusion shaft 23 to extrude the extrusion rod 22, and drives the adjustment frame 4 installed at the bottom of the extrusion rod 22 to cooperate with the main shaft 5 to rotate on the inner surface of the spray molding machine body 1, and when a group of hardware parts are rotated to the spray molding area through the bracket 20, the motor assembled on the side of the spray molding machine body 1 can be stably controlled, and the threaded rod 25 is adjusted to control the sealing plate 26 to slide, and the side of the sealing plate 26 is controlled to fit with the outer surface of the rotating frame 6, so as to control the nozzle mechanical arm 3 to spray the hardware parts, and according to the spray molding time of the hardware parts and the contraction time of the sealing plate 26, the rotation time of the cam 24 is controlled. After the spray molding on one side of a group of hardware parts is completed, When a group of un-sprayed hardware is added, the bracket 20 will be continuously controlled to rotate, and the bracket 20 will be meshed with the rack 18 installed on the support rod 19 through the installed spur gear 17, so as to control the bracket 20 to flip to the next group of nozzle mechanical arms 3, and spray the other side of the hardware. When the bracket 20 rotates, the elastic cooperation between the damping column 2002 connected to the return spring assembled with the quick-release part 12 and the opened hole groove 2001 can control the stability of the bracket 20 after rotation to prevent excessive rotation, so that the loading, spraying and flipping, as well as unloading can be effectively circulated in this way. After a product or color is sprayed, as well as in the working area, the setting of the exhaust piece 27 and the exhaust slot 28 can be controlled to recycle and reuse the unabsorbed.

[0071] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0072] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic spraying machine for producing hardware products, comprising a plastic spraying machine body (1) placed on the ground for operation, and a spray head mechanical arm (3) symmetrically mounted on the inner surface of the plastic spraying machine body (1); It is characterized in that include: The material inlet and outlet ports (2) are provided at the rear ends of the left and right sides of the inner surface of the spray molding machine body (1), and the upper surface of the spray molding machine body (1) is connected to an adjustment frame (4), and the lower surface of the adjustment frame (4) is installed with a main shaft (5), and the outer surface of the main shaft (5) is nested and connected with a rotating frame (6), and the rotating frame (6) is provided with a snap-fit ​​replacement mechanism at equal angles; The inner surface of the rotating frame (6) of the engaging replacement mechanism is nested with a top block (7), and the middle section of the inner surface of the top block (7) is rotatably connected with a nesting shaft (8), and the lower surface of the rotating frame (6) is nested with a base (9), while the upper surface is provided with a nesting groove (10); The inlet and outlet ports (2) are symmetrically arranged about the middle section of the inner surface of the spray molding machine body (1), and the spray molding machine body (1) forms a rotating structure with the main shaft (5) and the adjusting frame (4), and the main shaft (5) and the rotating frame (6) form a nesting structure, and the outer surface of the rotating frame (6) is arranged in contact with the inner surface of the spray molding machine body (1), and the upper and lower sides of the rotating frame (6) respectively form a limited sliding structure with the top block (7) and the base (9), and the top block (7) and the base (9) both form a rotating structure with the nesting shaft (8), and the top block (7) and the base (9) are arranged at equal angles with respect to the central axis of the inner surface of the rotating frame (6); A rotating disk (801) is installed on the outer surface of the nesting shaft (8), and the rotating disk (801) is nested in the inner surface of the nesting shaft (8), and the outer surface of the rotating disk (801) is rotatably connected to a connecting rod (802), and the other end of the outer surface of the connecting rod (802) is rotatably connected to a clamping block (803), and the clamping block (803) slides on the inner surface of the top block (7) in a limited position, and at the same time, the outer surface end of the clamping block (803) is clamped and connected to the rotating frame (6), and a positioning seat (804) is installed on the lower surface of the top block (7); The rotating disk (801) and the nesting shaft (8) form an integrated structure, and the nesting shaft (8) forms a circular linear movement structure through the rotating disk (801), the connecting rod (802) and the clamping block (803), and the clamping block (803) and the top block (7) form a sliding structure, while the top block (7) and the rotating frame (6) form a limited engagement structure through the clamping block (803), and the top block (7) and the positioning seat (804) form an integrated structure; A positioning bar (11) is nested and connected to the inner surface of the top block (7) assembled with the rotating frame (6), and a quick release part (12) is installed on the lower surface of the positioning bar (11), and the inner surface of the quick release part (12) is slidably connected to a pull rod (13) and a slider (14), and a clamping part (15) is installed on the outer surface of the slider (14), and the pull rod (13) is squeezed and connected to the clamping part (15), and the outer surface of the clamping part (15) is clamped and connected to a positioning seat (804), and a limited position clamping mechanism is provided on the quick release part (12); A nesting piece (16) is installed on the lower surface of the quick-release piece (12) in the position-limiting locking mechanism, and a bracket (20) is nested and connected to the inner surface of the nesting piece (16); The positioning strip (11) and the top block (7) form a nested sliding structure, and the positioning strip (11) and the quick release part (12) form an integrated structure, and the quick release part (12) forms an elastic sliding structure through a return spring and a pull rod (13), and the quick release part (12) forms an elastic sliding structure with a clamping part (15) through a return spring and a slider (14), and at the same time, the pull rod (13) and the clamping part (15) form an oblique extrusion structure, and the quick release part (12) forms a limited locking structure with the positioning seat (804) through the clamping part (15), and the quick release part (12) forms a built-in rotating structure with the bracket (20) through the nesting part (16); The extrusion rods (22) are symmetrically mounted on the upper surface of the adjustment frame (4), and the symmetrical extrusion rods (22) are nested with an extrusion shaft (23), and a cam (24) is mounted on the upper surface of the extrusion shaft (23), and the cam (24) is rotated on the upper surface of the spray molding machine body (1). At the same time, the inner surface of the spray molding machine body (1) is rotatably connected with a threaded rod (25), and the outer surface of the threaded rod (25) is threadedly connected with a sealing plate (26), and the sealing plate (26) is limitedly slid on the inner surface of the spray molding machine body (1), and one end of the outer surface of the sealing plate (26) is connected to the outer side of the shaft of the rotating frame (6). At the same time, an exhaust member (27) is mounted on the lower side of the inner surface of the spray molding machine body (1), and an exhaust groove (28) is opened on the inner surface of the exhaust member (27).

2. A plastic spraying machine for hardware product production according to claim 1, Features: A spur gear (17) is mounted on the outer surface of the bracket (20), a rack (18) is meshedly connected to the outer surface of the spur gear (17), a support rod (19) is mounted on the upper surface of the rack (18), and a support rod (21) is mounted on the outer surface of the bracket (20).

3. A plastic spraying machine for hardware product production according to claim 2, Features: The bracket (20) forms a meshing rotation structure with the rack (18) through the spur gear (17).

4. A plastic spraying machine for producing hardware products according to claim 3, Features: The upper surface of the bracket (20) is provided with a hole groove (2001), and the inner surface of the hole groove (2001) is nested with a damping column (2002), and the damping column (2002) is elastically slidably assembled on the inner surface of the nesting piece (16), and the lower surface of the bracket (20) is provided with a limiting groove (2003), and the outer surface of the limiting groove (2003) is limitedly slidably connected to a limiting block (2004), and the outer surface of the limiting block (2004) is installed with a bottom block (2005), and the bottom block (2005) is nested on the lower side of the outer surface of the bracket (20) through a return spring.

5. A plastic spraying machine for producing hardware products according to claim 4, Features: The hole groove (2001) is opened at an equal angle with respect to the middle section of the inner surface of the bracket (20), and the bracket (20) forms a limiting engaging structure with the nesting piece (16) through the hole groove (2001), the damping column (2002) and the return spring, and the inner surface shape of the hole groove (2001) is an arc-shaped structure, and the bracket (20) forms a limiting nesting structure with the limiting groove (2003) and the limiting block (2004), and the limiting block (2004) and the bottom block (2005) form an integrated structure, and the bottom block (2005) and the bracket (20) form an elastic nesting structure through the return spring, and the bottom block (2005) and the nesting groove (10) form a built-in nesting structure.

6. A plastic spraying machine for producing hardware products according to claim 5, Features: The extrusion rod (22) and the adjustment frame (4) form an integrated structure, and the adjustment frame (4) forms an extrusion sliding structure through the extrusion rod (22) and the extrusion shaft (23), and the extrusion shaft (23) and the spray molding machine body (1) form a rotating structure through the cam (24), while the spray molding machine body (1) forms a threaded adjustment sliding structure through the threaded rod (25) and the sealing plate (26), and the sealing plate (26) and the rotating frame (6) form a sealing structure, and the spray molding machine body (1) and the lower surface of the exhaust member (27) are embedded and installed.

7. A spraying process for implementing the spraying machine for hardware product production as claimed in claim 6, Features: The following steps are involved: S1. Position the spray molding machine body (1) in the working area, and place the bracket (20) on the rotating frame (6) in and out through the material inlet and outlet (2). Before the bracket (20) is used, assemble the top block (7) and the base (9) at equal angles on the inner surface of the rotating frame (6), and the top block (7) and the base (9) are controlled and disassembled by the nesting shaft (8), thereby controlling the rotation of the nesting shaft (8), driving the turntable (801) to adjust the connecting rod (802) to synchronously control the position of the card block (803) on the top block (7), prompting the card block (803) to squeeze the reset spring and shrink it into the top block (7), and after the top block (7) is nested in the rotating frame (6), the special wrench is separated from the nesting shaft (8), and the control card block (803) cooperates with the reset spring to nest in the inner surface of the rotating frame (6), and the top block (7) and the base (9) can be stably assembled in the rotating frame (6); S2. After the top block (7) and the base (9) are stably assembled, the nested member (16) assembled through the inlet and outlet (2) is held by the bracket (20), the pull rod (13) assembled with the quick release member (12) on the bracket (20) is controlled, and the pull rod (13) is pulled to cause the reset spring connected to it to contract, and the clamping member (15) is squeezed to contract in the center through the pull rod (13), and the reset spring is squeezed to contract, and when the clamping member (15) moves, it cooperates with the slider (14) to slide relatively in the quick release member (12), thereby controlling the quick release member (12) and the assembled positioning strip (11) to be nested and slid on the inner surface of the top block (7), and after moving to the bottom end of the top block (7), the pull rod (13) is loosened, thereby cooperating with the pull rod (13) and the reset spring (15) respectively assembled. The stable control card (15) is engaged in the assembly of the top block (7), and when the quick release part (12) is assembled, the control bottom block (2005) is pre-controlled to cooperate with the limit block (2004) to stably slide in the limit groove (2003) opened in the bracket (20), and squeeze the spring between the bottom block (2005) and the bracket (20), and when reaching the end of the limit groove (2003), the control bottom block (2005) is rotated left and right to disengage from the vertical position of the limit groove (2003), so as to be nested in the horizontal position of the limit groove (2003), so as to facilitate the sliding assembly of the quick release part (12), and after the quick release part (12) is assembled, the control bottom block (2005) is reset, and the bottom block (2005) is nested in the nesting groove (10) to form a center positioning use; S3. When the spray molding machine body (1) is working, the motor on the spray molding machine body (1) is controlled to effectively control the rotation of the cam (24), and the cam (24) is controlled to drive the extrusion shaft (23) to extrude the extrusion rod (22), and drive the adjustment frame (4) installed at the bottom of the extrusion rod (22) to cooperate with the main shaft (5) to rotate on the inner surface of the spray molding machine body (1), and when a group of hardware parts are rotated to the spraying area through the bracket (20), the motor assembled on the side of the spray molding machine body (1) can be stably controlled to adjust the threaded rod (25) to control the sealing plate (26) to form a sliding, and control the side of the sealing plate (26) to fit with the outer surface of the rotating frame (6), so as to control the spray head mechanical arm (3) to spray the hardware parts, and according to the spraying time of the hardware parts and the contraction time of the sealing plate (26), the rotation time of the cam (24) is controlled, and the side of the group of hardware parts is adjusted. After spraying is completed, and when a group of unsprayed hardware is added, the bracket (20) will be continuously controlled to rotate, and the bracket (20) will be meshed with the rack (18) installed on the support rod (19) through the installed spur gear (17), so as to control the bracket (20) to flip to the next group of spray head mechanical arms (3) to spray the other side of the hardware. When the bracket (20) rotates, the elastic cooperation between the damping column (2002) connected to the return spring assembled with the quick release part (12) and the hole groove (201) is controlled to control the stability of the bracket (20) after rotation to prevent excessive rotation, so that the material loading, spraying and flipping, as well as the material unloading can be effectively circulated in this way. After a product or color is sprayed, and in the working area, the setting of the exhaust part (27) and the exhaust groove (28) can be controlled to recycle and reuse the unabsorbed.