Water gap hot cutting equipment for injection molded part
By designing the water port hot cutting equipment for injection molding parts, the problems of low cutting efficiency and poor safety of injection molding parts are solved, and a more efficient and safer water port cutting process is achieved, which improves yield and processing efficiency.
Patent Information
- Application Number
- CN202421767870.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-25
AI Technical Summary
In the prior art, the cutting efficiency of the injection molded parts has low cutting efficiency, high labor intensity, and poor safety of the hot equipment, which can easily cause accidental injuries to workers, resulting in low accuracy and low yield.
A water port heat cutting device for injection molding parts is designed, including a cabinet, a control box, a safety device, a fixing fixture and a positioning heat cutting mechanism. The control box controls the positioning and reciprocating mechanism and safety device to achieve accurate and sensitiveness of the water port of the injection molded parts, and prevents the user's hands from being damaged by infrared grating safety devices.
It improves the flatness of the cutting surface of the water outlet of the injection molded parts, improves the yield rate and processing efficiency, reduces production costs, and enhances the safety of the equipment.
Smart Images
Figure CN222807537U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nozzle cutting, in particular to a nozzle hot cutting device for injection molded parts. Background Art
[0002] In the prior art, injection molded parts are widely used in various fields of life or work. Existing injection molded parts are often injection molded by injection molding machines. After injection molding, there is often a sprue on the injection molded parts, which needs to be cut before they can become finished products. At present, the sprue is often removed manually with handheld scissors. This processing method not only has the problems of low cutting efficiency and high labor intensity, but also has the problems of large human factors, low precision and low yield. In order to better improve the efficiency of sprue cutting, technical personnel in this field have developed sprue hot cutting equipment to cut the sprue. The hot cutting equipment has the advantages of easy operation and neat sprue section, but its safety is poor and it is easy to cause accidental injuries to workers.
[0003] Regarding the related technologies, the processing method of manually removing the water outlet with handheld scissors not only has the problems of low cutting efficiency and high labor intensity, but also has the problems of large human factors, resulting in low precision and low yield rate, and the hot cutting equipment has poor safety, which can easily cause accidental injuries to workers' hands. There is still a lack of better technical solutions. Utility Model Content
[0004] In view of this, it is necessary to provide a hot cutting device for the sprue of injection molded parts, so as to at least solve the problem that the processing method of manually removing the sprue with scissors in the related technology not only has low cutting efficiency and high labor intensity, but also has the problem of large human factors, resulting in low precision and low yield rate, and the hot cutting equipment has poor safety and is easy to cause accidental injuries to workers.
[0005] The embodiment of the present application provides a nozzle hot cutting device for injection molded parts, which includes a cabinet, a control box, a safety device, a fixing fixture and a positioning hot cutting mechanism, wherein the control box is arranged on one side of the cabinet and is electrically connected to the positioning hot cutting mechanism and the safety device respectively, the positioning hot cutting mechanism is arranged at the upper end of the cabinet, the fixing fixture is arranged inside the cabinet, an opening is arranged at the front end of the cabinet, the safety device is installed on both sides of the opening, the positioning hot cutting mechanism includes a hot cutting device and a positioning device, and the positioning device is arranged at On the hot cutting device, the fixed fixture includes a base and a limit block, the limit block is arranged on the base, a sprue cutting groove is arranged in the middle of the limit block, the positioning device is located above the limit block, and the hot cutting device is located above the sprue cutting groove; wherein, the control box is used to control the start and stop of the positioning hot cutting mechanism and the safety device, the safety device is used to prevent the user from being injured by the positioning hot cutting mechanism, the fixed fixture is used for placing injection molded parts, and the positioning hot cutting mechanism is used for limiting the injection molded parts and hot cutting of the sprue.
[0006] In one embodiment, the cabinet includes an upper top plate, a lower bottom plate, a left side plate, a right side plate, a rear side plate and a support column, and the upper top plate, the lower bottom plate, the left side plate, the right side plate and the rear side plate form a fixed frame, and the support column is arranged between the upper top plate and the lower bottom plate.
[0007] In one of the embodiments, the base and the limiting block are integrally formed, the base is fixed to the lower base plate, and the injection molded part is embedded in the upper surface of the limiting block.
[0008] In one embodiment, the hot cutting device includes a lifting drive member, a connecting plate, a mounting plate, a guide sleeve, a guide column, a heat-conducting upper cutter and a lower cutter, the lifting drive member is installed in the middle of the upper top plate, the guide sleeve is located on both sides of the lifting drive member, the lower end of the lifting drive member passes through the upper top plate and is transmission-connected to the connecting plate, the mounting plate is fixed to the lower end of the connecting plate, the upper end of the guide column is movably arranged inside the guide sleeve, the lower end of the guide column is fixedly connected to the mounting plate, the heat-conducting upper cutter is fixed to the lower end of the mounting plate, and the lower cutter is arranged on the inner wall of the water nozzle cutting groove; wherein, the lifting drive member drives the mounting plate to press down along the setting direction of the guide column through the connecting plate, thereby driving the heat-conducting upper cutter to approach the lower cutter, and then hot cutting the water nozzle of the injection molded part on the upper surface of the limit block.
[0009] In one embodiment, the lifting drive member is a drive cylinder.
[0010] In one embodiment, the thermally conductive upper cutter includes a thermally conductive seat and an upper cutter, the thermally conductive seat has a built-in heating rod, the heating rod is electrically connected to the control box, and the upper cutter is arranged at the lower end of the thermally conductive seat; wherein the heating rod is used to heat the upper cutter.
[0011] In one embodiment, the positioning device includes a left positioning column and a right positioning column, and the left positioning column and the right positioning column are arranged at the lower end of the mounting plate and located on both sides of the thermal conductive seat; wherein, the mounting plate moves along the setting direction of the guide column to drive the left positioning column and the right positioning column to press against the upper surface of the injection molded part.
[0012] In one embodiment, the safety device is an infrared grating, which includes an infrared transmitter and an infrared receiver. The infrared transmitter is arranged on the left side of the opening, and the infrared receiver is arranged on the right side of the opening. When the infrared rays emitted by the infrared transmitter are blocked, the control box controls the positioning hot cutting mechanism to stop working.
[0013] The beneficial effects of the utility model are as follows: the application has a reasonable design and a novel structure. The positioning and hot cutting mechanism is controlled by a control box so that the sprue of the injection molded part on the fixed fixture is hot cut. Specifically, the positioning device is driven downward by a driving cylinder to limit the injection molded part on the limit block. At the same time, the heat-conducting cutter is driven downward by a driving cylinder to cooperate with the lower cutter on the fixed fixture to hot cut the sprue of the injection molded part at the sprue cutting groove. The structural design of the safety device is provided at the opening of the cabinet. The user's hands are prevented from being injured by the infrared grating. The operation is convenient. The hot cutting makes the sprue cutting surface of the injection molded part smoother, thereby improving the yield rate and processing efficiency of the injection molded part, reducing the production cost, and having high safety and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;
[0015] Figure 2 This is a schematic diagram of the structure of the cabinet and the control box of an embodiment of the present application;
[0016] Figure 3 It is a structural schematic diagram of a fixing fixture and a positioning hot cutting mechanism according to an embodiment of the present application;
[0017] Figure 4 This is a structural schematic diagram of a positioning and hot cutting mechanism according to an embodiment of the present application;
[0018] Figure 5 Schematic diagram of the structure of the fixing fixture of the embodiment of the present application. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly mounted on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.
[0022] See also Figures 1 to 5 The embodiment of the present application is a nozzle hot cutting device for injection molded parts, which includes a cabinet 100, a control box 200, a safety device 300, a fixing fixture 400 and a positioning hot cutting mechanism 500. The control box 200 is arranged on one side of the cabinet 100 and is electrically connected to the positioning hot cutting mechanism 500 and the safety device 300 respectively. The positioning hot cutting mechanism 500 is arranged at the upper end of the cabinet 100, the fixing fixture 400 is arranged inside the cabinet 100, the front end of the cabinet 100 is provided with an opening 11, the safety device 300 is installed on both sides of the opening 11, the positioning hot cutting mechanism 500 includes a hot cutting device 51 and a positioning device 52, and the positioning device The positioner 52 is arranged on the hot cutting device 51, and the fixed fixture 400 includes a base 41 and a limit block 42. The limit block 42 is arranged on the base 41. A nozzle cutting groove 43 is arranged in the middle of the limit block 42. The positioning device 52 is located above the limit block 42, and the hot cutting device 51 is located above the nozzle cutting groove 43; wherein, the control box 200 is used to control the start and stop of the positioning hot cutting mechanism 500 and the safety device 300, the safety device 300 is used to prevent the user from being injured by the positioning hot cutting mechanism 500, the fixed fixture 400 is used to place the injection molded part 600, and the positioning hot cutting mechanism 500 is used to limit the injection molded part 600 and the nozzle hot cutting.
[0023] It should be noted that the positioning and hot-cutting mechanism 500 is controlled by the control box 200 so as to perform hot-cutting on the sprue of the injection molded part on the fixed fixture 400. Specifically, the positioning device 52 is pressed down by a driving cylinder so as to limit the injection molded part on the limit block 42. At the same time, the upper heat-conducting cutter is pressed down by a driving cylinder to cooperate with the lower cutter 516 on the fixed fixture 400 to perform hot-cutting on the sprue cutting groove 43 of the injection molded part 600. The structural design of the safety device 300 is also provided at the opening 11 of the cabinet 100. An infrared grating is used to prevent the user's hands from being injured. The operation is convenient. Hot cutting makes the cutting surface of the sprue of the injection molded part smoother, thereby improving the yield rate and processing efficiency of the injection molded part 600, reducing production costs, and having high safety.
[0024] In some optional embodiments, the cabinet 100 includes an upper top plate 12, a lower bottom plate 13, a left side plate 14, a right side plate 15, a rear side plate 16 and a support column 17. The upper top plate 12, the lower bottom plate 13, the left side plate 14, the right side plate 15 and the rear side plate 16 form a fixed frame, and the support column 17 is arranged between the upper top plate 12 and the lower bottom plate 13.
[0025] In some optional implementations, the base 41 and the limiting block 42 are integrally formed, the base 41 is fixed on the lower bottom plate 13 , and the injection molded part 600 is embedded in the upper surface of the limiting block 42 .
[0026] In order to realize the hot cutting function of the present application, in some optional embodiments, the hot cutting device 51 includes a lifting drive member 511, a connecting plate 512, a mounting plate 513, a guide sleeve 514, a guide column 515, a heat-conducting upper cutter and a lower cutter 516. The lifting drive member 511 is installed in the middle of the upper top plate 12, the guide sleeve 514 is located on both sides of the lifting drive member 511, the lower end of the lifting drive member 511 passes through the upper top plate 12 and is transmission-connected to the connecting plate 512, and the mounting plate 513 is fixed to the lower end of the connecting plate 512. The upper end of the guide column 515 is movably arranged inside the guide sleeve 514, the lower end of the guide column 515 is fixedly connected to the mounting plate 513, the heat-conducting upper cutter is fixed to the lower end of the mounting plate 513, and the lower cutter 516 is arranged on the inner wall of the nozzle cutting groove 43; wherein, the lifting drive member 511 drives the mounting plate 513 to move downward along the setting direction of the guide column 515 through the connecting plate 512, thereby driving the heat-conducting upper cutter to approach the lower cutter 516, and then hot cutting the nozzle of the injection molded part 600 on the upper surface of the limit block 42.
[0027] Preferably, in some of the optional embodiments, the lifting drive member 511 is a drive cylinder.
[0028] By adopting a driving cylinder to drive downward pressure, the precision of the present application is improved.
[0029] Furthermore, in some optional embodiments, the thermally conductive upper cutter includes a thermally conductive seat 517 and an upper cutter 518, the thermally conductive seat 517 has a built-in heating rod 519, the heating rod 519 is electrically connected to the control box 200, and the upper cutter 518 is disposed at the lower end of the thermally conductive seat 517; wherein the heating rod 519 is used to heat the upper cutter 518.
[0030] In order to achieve stable fixation of the injection molded part 600, in some optional embodiments, the positioning device 52 includes a left positioning column 521 and a right positioning column 522, and the left positioning column 521 and the right positioning column 522 are arranged at the lower end of the mounting plate 513 and located on both sides of the thermal conductive seat 517; wherein the mounting plate 513 moves along the setting direction of the guide column 515 to drive the left positioning column 521 and the right positioning column 522 to press against the upper surface of the injection molded part 600.
[0031] It should be noted that the injection molded part 600 is initially fixed by the limit block 42, and the left positioning column 521 and the right positioning column 522 are against the upper surface of the injection molded part 600 to achieve double-sided fixation of the bottom and top of the injection molded part 600, which has a good fixing effect and prevents the injection molded part 600 from shifting.
[0032] In order to achieve the function of safe operation, in some optional embodiments, the safety device 300 is an infrared grating, which includes an infrared transmitter 31 and an infrared receiver 32. The infrared transmitter 31 is arranged on the left side of the opening 11, and the infrared receiver 32 is arranged on the right side of the opening 11; wherein, after the infrared rays emitted by the infrared transmitter 31 are blocked, the control box 200 controls the positioning hot cutting mechanism 500 to stop working.
[0033] It should be noted that when the operator's hand blocks the infrared light emitted by the infrared transmitter 31, the infrared receiver 32 cannot receive the infrared signal, and the electrical signal will be transmitted to the control box 200, and the positioning hot-cutting mechanism 500 will be controlled by the control box 200 to stop working. When the operator's hand is removed, the infrared receiver 32 receives the infrared signal normally, and the electrical signal will be transmitted to the control box 200, and the positioning hot-cutting mechanism 500 will be controlled by the control box 200 to work normally.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A nozzle hot cutting device for injection molded parts, characterized in that: It includes a cabinet, a control box, a safety device, a fixed fixture and a positioning hot-cutting mechanism. The control box is arranged on one side of the cabinet and is electrically connected to the positioning hot-cutting mechanism and the safety device respectively. The positioning hot-cutting mechanism is arranged at the upper end of the cabinet. The fixed fixture is arranged inside the cabinet. An opening is arranged at the front end of the cabinet. The safety device is installed on both sides of the opening. The positioning hot-cutting mechanism includes a hot-cutting device and a positioning device. The positioning device is arranged on the hot-cutting device. The fixed fixture includes a base and a limit block. The limit block is arranged on the base. A nozzle cutting groove is arranged in the middle of the limit block. The positioning device is located above the limit block. The hot-cutting device is located above the nozzle cutting groove. The control box is used to control the start and stop of the positioning hot-cutting mechanism and the safety device. The safety device is used to prevent the user from being injured by the positioning hot-cutting mechanism. The fixed fixture is used for placing injection molded parts. The positioning hot-cutting mechanism is used for limiting the injection molded parts and hot-cutting of the nozzle.
2. The hot-cutting device for nozzles of injection molded parts according to claim 1, characterized in that: The cabinet includes an upper top plate, a lower bottom plate, a left side plate, a right side plate, a rear side plate and a support column. The upper top plate, the lower bottom plate, the left side plate, the right side plate and the rear side plate form a fixed frame, and the support column is arranged between the upper top plate and the lower bottom plate.
3. The hot-cutting device for nozzles of injection molded parts according to claim 2, characterized in that: The base and the limiting block are integrally formed, the base is fixed to the lower bottom plate, and the injection molded part is embedded in the upper surface of the limiting block.
4. The hot-cutting device for nozzles of injection molded parts according to claim 3, characterized in that: The hot cutting device comprises a lifting drive member, a connecting plate, a mounting plate, a guide sleeve, a guide column, a heat-conducting upper cutting knife and a lower cutting knife, the lifting drive member is installed in the middle of the upper top plate, the guide sleeve is located at both sides of the lifting drive member, the lower end of the lifting drive member passes through the upper top plate and is transmission-connected to the connecting plate, the mounting plate is fixed to the lower end of the connecting plate, the upper end of the guide column is movably arranged in the guide sleeve, the lower end of the guide column is fixedly connected to the mounting plate, the heat-conducting upper cutting knife is fixed to the lower end of the mounting plate, and the lower cutting knife is arranged on the inner wall of the water nozzle cutting groove; wherein, the lifting drive member drives the mounting plate to press down along the setting direction of the guide column through the connecting plate, thereby driving the heat-conducting upper cutting knife to approach the lower cutting knife, and then hot-cutting the water nozzle of the injection molding part on the upper surface of the limit block.
5. The hot-cutting device for nozzles of injection molded parts according to claim 4, characterized in that: The lifting drive member is a drive cylinder.
6. The hot-cutting device for nozzles of injection molded parts according to claim 4, characterized in that: The thermally conductive upper cutter comprises a thermally conductive seat and an upper cutter, wherein the thermally conductive seat has a built-in heating rod, the heating rod is electrically connected to the control box, and the upper cutter is arranged at the lower end of the thermally conductive seat; wherein the heating rod is used to heat the upper cutter.
7. The hot-cutting device for nozzles of injection molded parts according to claim 6, characterized in that: The positioning device includes a left positioning column and a right positioning column, wherein the left positioning column and the right positioning column are arranged at the lower end of the mounting plate and located on both sides of the thermal conductive seat; wherein the mounting plate moves along the setting direction of the guide column to drive the left positioning column and the right positioning column to press against the upper surface of the injection molded part.
8. The hot-cutting device for nozzles of injection molded parts according to claim 1, characterized in that: The safety device is an infrared grating, which includes an infrared transmitter and an infrared receiver. The infrared transmitter is arranged on the left side of the opening, and the infrared receiver is arranged on the right side of the opening. When the infrared rays emitted by the infrared transmitter are blocked, the control box controls the positioning hot cutting mechanism to stop working.