Water gap cutting device for injection molded part

Abstract

The utility model discloses a water gap cutting device for an injection-molded part. The water gap cutting device comprises a workbench and a water gap cutting mechanism, a feeding device is arranged at the top of the workbench, and a water gap cutting mechanism is arranged above the rear side of the feeding device. The feeding device comprises two first sliding rails horizontally arranged at the top of the workbench, a feeding table slidably connected to the first sliding rails and a feeding driving device located below the feeding table. A rotating air cylinder is fixedly mounted at the top of the feeding table, a clamp mounting plate is fixedly mounted on an output shaft of the rotating air cylinder, and an injection molding part clamp is fixedly mounted on the clamp mounting plate; the water gap cutting mechanism comprises a cutting bracket, a cutter driving device and a cutter; according to the utility model, the feeding and discharging operation of the injection molding part can be realized through the feeding device, and meanwhile, through the linkage of the rotary air cylinder and the water gap cutting mechanism, the water gap cutting operation can be carried out on the injection molding part in multiple directions in one-time feeding operation.

Description

Technical Field

[0001] The utility model relates to the field of injection molding processing, in particular to an injection molding water nozzle cutting device. Background Art

[0002] After the injection molded product is ejected from the mold, there will be residual casting residue (commonly known as the sprue) at the injection port. When proceeding to the next process, the sprue on the injection molded product needs to be cut off.

[0003] For example, a patent with authorization announcement number CN217196732U discloses an automatic water-cutting device for injection molded parts, including a mounting base, a sliding column is arranged above the mounting base, a slide table is slidably connected to the sliding column, and a top plate is arranged on the top of the sliding column; a die-cutting cylinder is fixedly installed on the top plate, and the cylinder rod of the die-cutting cylinder passes through the bottom of the top plate and is fixedly connected to the slide table; a water-cutting upper mold is arranged below the slide table.

[0004] When the above patent is in use, the water outlet upper die utilizes the punching pressure of the die-cutting cylinder to punch the injection molded part on the sliding water outlet bottom die, thereby completing the punching of the injection molded part without the need for manual shearing, greatly reducing the labor intensity and improving the processing efficiency of the workpiece; the disadvantage of the above patent is that the water outlet can only be cleared on one side of the injection molded part at a time, while some injection molds on the market have multiple water outlets, which results in low efficiency in clearing the water outlet of the injection molded part.

[0005] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0006] The utility model aims to provide a water-cutting device for injection molded parts to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The watertight device for injection molded parts comprises a workbench and a watertight mechanism; a feeding device is arranged on the top of the workbench, and a watertight mechanism is arranged on the upper rear side of the feeding device; the feeding device comprises two first slide rails horizontally arranged on the top of the workbench, a feeding table slidably connected to the first slide rails, and a feeding drive device located below the feeding table; a rotating cylinder is fixedly installed on the top of the feeding table, a fixture mounting plate is fixedly installed on the output shaft of the rotating cylinder, and an injection molded part fixture is fixedly installed on the fixture mounting plate; the watertight mechanism comprises a cutting bracket, a tool driving device and a tool; a tool driving device is fixedly installed above the cutting bracket, and a tool is installed on the tool driving device.

[0009] Furthermore, the workbench is provided with two first slide rails along the front-to-back direction, and the first slide rails are slidably connected to the first sliders. The first sliders are fixedly installed on the left and right sides below the loading platform so that the loading platform can move along the first slide rails.

[0010] Furthermore, the feeding drive device includes a first stepper motor and a first ball screw, the first ball screw is located between the two first slide rails, wherein the screw of the first ball screw is fixedly installed on the top of the workbench through a bearing and a bearing seat, and the screw nut of the first ball screw is fixedly installed on the bottom of the feeding platform through a first nut seat, the first stepper motor is fixedly installed on the top of the workbench and the output shaft of the first stepper motor is connected to the screw of the first ball screw through a coupling.

[0011] Furthermore, the cutting bracket includes side panels and a mounting plate, which are both fixedly mounted on the top of the workbench, and two side panels are arranged on both sides of the top of the front end of the mounting plate, and a top plate is also fixedly mounted on the top of the side panels, and a middle layer plate is also arranged below the top plate, and the middle layer plate is fixedly mounted between the two side panels.

[0012] Furthermore, the tool driving device includes a second slide rail, a second ball screw and a second stepper motor, the second slide rail is vertically arranged at the front end of the mounting plate, the second ball screw is located between the top plate and the middle plate, the upper and lower ends of the screw rod of the second ball screw are rotatably connected with the top plate and the middle plate through bearings, the screw rod nut of the second ball screw is fixedly mounted on the second nut seat, the second stepper motor is fixedly mounted on the top of the top plate, and the upper end of the screw rod of the second ball screw passes through the top plate and is transmission-connected to the output shaft of the second stepper motor through a coupling;

[0013] Furthermore, the bottom of the second nut seat is fixedly connected downwardly with vertical connecting plates at the front and rear, wherein two vertical connecting plates are respectively located at the front and rear positions of the middle plate, wherein a tool fixing seat is fixedly installed at the bottom of the two vertical connecting plates, and a tool is fixedly installed at the front end of the tool fixing seat.

[0014] Furthermore, the rear end of the tool fixing seat is slidably connected to the second slide rail via a second slide block.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can realize the loading and unloading operations of the injection molded parts through the loading device, and at the same time, through the linkage of the rotating cylinder and the water nozzle cutting mechanism, the water nozzle cutting operation can be performed on multiple directions of the injection molded parts in one loading operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the water nozzle cutting device for injection molding parts.

[0018] Figure 2 This is the front view of the water cutting device for injection molded parts.

[0019] Figure 3 It is a side view of the water gate cutting device for injection molded parts.

[0020] Figure 4 This is a top view of the water gate cutting device for injection molded parts.

[0021] Figure 5 for Figure 2 Sectional view along AA direction. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0023] See also Figure 1-5 The injection molding part water-cutting device comprises a workbench 1 and a water-cutting mechanism 3; a feeding device 2 is arranged on the top of the workbench 1, and a water-cutting mechanism 3 is arranged on the upper rear side of the feeding device 2;

[0024] The loading device 2 includes two first slide rails 201 horizontally arranged on the top of the workbench 1, a loading platform 202 slidably connected to the first slide rails 201, and a loading drive device 203 located below the loading platform 201; wherein the two first slide rails 201 are arranged along the front and rear directions of the workbench 1, a first slider 204 is slidably connected to the first slide rails 201, and first sliders 204 are fixedly installed on the left and right sides below the loading platform 202, so that the loading platform 202 can move along the first slide rails 201;

[0025] The feeding drive device 203 includes a first stepper motor 205 and a first ball screw 206, wherein the first ball screw 206 is located between the two first slide rails 201, wherein the screw of the first ball screw 206 is fixedly installed on the top of the workbench 1 through a bearing and a bearing seat, and the screw nut of the first ball screw 206 is fixedly installed on the bottom of the feeding platform 202 through a first nut seat 210, the first stepper motor 205 is fixedly installed on the top of the workbench 1, and the output shaft of the first stepper motor 205 is connected to the screw of the first ball screw 206 through a coupling.

[0026] When the first stepper motor 205 is in motion, the first ball screw 206 can drive the loading platform 202 to move along the first slide rail 201;

[0027] A rotary cylinder 207 is fixedly mounted on the top of the loading platform 202, a fixture mounting plate 208 is fixedly mounted on the output shaft of the rotary cylinder 207, and an injection molding fixture 209 is fixedly mounted on the fixture mounting plate 208;

[0028] The rotary cylinder 207 is the HRQ series rotary cylinder of AirTac, with a rotation angle of 0-190° and a rotation accuracy of 0.2°. It can rotate the workpiece at multiple angles to cut off multiple nozzles of the injection molded parts.

[0029] Injection molding fixture 209 is a large-diameter opening fixture of AirTac's HFT series; the specific size can be changed according to actual needs;

[0030] When the feeding device 2 is used, the injection molded part is placed on the injection molded part fixture 209, and the injection molded part fixture is actuated to clamp the injection molded part, and then the first stepper motor 205 is actuated to transport the feeding table 202 together with the injection molded part fixture 209 to the bottom of the water outlet cutting mechanism 3; after the water outlet cutting mechanism 3 cuts off the water outlet on one side of the injection molded part, the angle of the injection molded part is changed by rotating the cylinder 207, and the water outlet on the other side of the injection molded part can also be cut off;

[0031] In this solution, the water cutting mechanism 3 includes a cutting bracket 301, a tool driving device 302 and a tool 303; the tool driving device 302 is fixedly installed above the cutting bracket 301, and the tool 303 is installed on the tool driving device 302.

[0032] The cutting bracket 301 includes a side plate 304 and a mounting plate 305, both of which are fixedly mounted on the top of the workbench 1, and two side plates 304 are arranged on both sides of the top of the front end of the mounting plate 305, a top plate 306 is also fixedly mounted on the top of the side plate 304, and a middle plate 309 is also arranged below the top plate 306, and the middle plate 309 is fixedly mounted between the two side plates 304;

[0033] The tool driving device 302 includes a second slide rail 313, a second ball screw 307 and a second stepping motor 308.

[0034] The second slide rail 313 is vertically arranged at the front end of the mounting plate 305, and the second ball screw 307 is located between the top plate 306 and the middle plate 309.

[0035] The upper and lower ends of the screw rod of the second ball screw 307 are rotatably connected to the top plate 306 and the middle plate 309 through bearings, the screw nut of the second ball screw 307 is fixedly mounted on the second nut seat 310, and the second stepper motor 308 is fixedly mounted on the top of the top plate 306, and the upper end of the screw rod of the second ball screw 307 passes through the top plate 306 and is drivingly connected to the output shaft of the second stepper motor 308 through a coupling;

[0036] The bottom of the second nut seat 310 is fixedly connected to a vertical connecting plate 311 at the front and rear ends, wherein the two vertical connecting plates 311 are respectively located at the front and rear positions of the middle plate 309, wherein the bottom of the two vertical connecting plates 311 is fixedly installed with a tool fixing seat 312, the rear end of the tool fixing seat 312 is slidably connected to the second slide rail 313 through a second slider 314, and the front end of the tool fixing seat 312 is fixedly installed with a tool

[0037] In this solution, the tool 303 can be a metal tool or an ultrasonic tool. The ultrasonic tool includes an ultrasonic die head, an ultrasonic transducer and an ultrasonic generator. The ultrasonic generator is fixedly installed inside the workbench 1. The ultrasonic generator is electrically connected to the ultrasonic transducer. The ultrasonic die head is installed at the bottom of the ultrasonic transducer. In this solution, the ultrasonic transducer is fixedly installed at the front end of the tool fixing seat 312. Of course, the specific structure of the ultrasonic tool is not the innovation of this solution, so it will not be repeated again.

[0038] When the utility model is working, the injection molded part is placed on the injection molded part fixture 209, the injection molded part fixture moves to clamp the injection molded part, and then the first stepper motor 205 moves to transport the loading platform 202 together with the injection molded part fixture 209 to the bottom of the water cutting mechanism 3;

[0039] The tool driving device 302 drives the tool 303, and the tool 303 cuts off the water outlet downwards. After cutting, the tool 303 moves upwards, and then the rotating cylinder 207 changes the angle of the injection molded part, and the tool 303 cuts off the water outlet downwards; finally, the tool 303 moves upwards;

[0040] The first stepper motor 205 is actuated to move the loading platform 202 together with the injection molding fixture 209 out from under the water cut-off mechanism 3, and then the injection molding fixture is actuated to release the injection molding.

[0041] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connection" and the like should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

Claims

1. A water-cutting device for injection molded parts, comprising a workbench and a water-cutting mechanism; characterized in that: A loading device is provided on the top of the workbench, and a water cutting mechanism is provided on the upper rear side of the loading device; the loading device includes two first slide rails horizontally arranged on the top of the workbench, a loading platform slidably connected to the first slide rails, and a loading drive device located below the loading platform; a rotating cylinder is fixedly installed on the top of the loading platform, a fixture mounting plate is fixedly installed on the output shaft of the rotating cylinder, and an injection molding fixture is fixedly installed on the fixture mounting plate; the water cutting mechanism includes a cutting bracket, a tool driving device and a tool; a tool driving device is fixedly installed above the cutting bracket, and a tool is installed on the tool driving device.

2. The injection molding part water cut device according to claim 1, characterized in that: The workbench is provided with two first slide rails along the front-rear direction, and the first slide rails are slidably connected with the first sliders. The first sliders are fixedly installed on the left and right sides below the loading platform, so that the loading platform can move along the first slide rails.

3. The injection molding part water cut device according to claim 1, characterized in that: The feeding drive device includes a first stepper motor and a first ball screw, wherein the first ball screw is located between the two first slide rails, wherein the screw of the first ball screw is fixedly installed on the top of the workbench through a bearing and a bearing seat, and the screw nut of the first ball screw is fixedly installed on the bottom of the feeding platform through a first nut seat, the first stepper motor is fixedly installed on the top of the workbench, and the output shaft of the first stepper motor is connected to the screw of the first ball screw through a coupling.

4. The injection molding part water cut device according to claim 1, characterized in that: The cutting bracket includes a side panel and a mounting plate, both of which are fixedly mounted on the top of the workbench, and two side panels are arranged on both sides of the top of the front end of the mounting plate, a top panel is also fixedly mounted on the top of the side panel, and a middle panel is also arranged below the top panel, and the middle panel is fixedly mounted between the two side panels.

5. The injection molding part water cut device according to claim 4, characterized in that: The tool driving device includes a second slide rail, a second ball screw and a second stepper motor. The second slide rail is vertically arranged at the front end of the mounting plate, and the second ball screw is located between the top plate and the middle plate. The upper and lower ends of the screw rod of the second ball screw are rotatably connected with the top plate and the middle plate through bearings, and the screw rod nut of the second ball screw is fixedly mounted on the second nut seat, and the second stepper motor is fixedly mounted on the top of the top plate, and the upper end of the screw rod of the second ball screw passes through the top plate and is transmission-connected to the output shaft of the second stepper motor through a coupling.

6. The injection molding part water cut device according to claim 5, characterized in that: The bottom of the second nut seat is fixedly connected downwardly with vertical connecting plates at the front and rear, wherein two vertical connecting plates are respectively located at the front and rear positions of the middle plate, wherein a tool fixing seat is fixedly installed at the bottom of the two vertical connecting plates, and a tool is fixedly installed at the front end of the tool fixing seat.

7. The injection molding part water cut device according to claim 6, characterized in that: The rear end of the tool fixing seat is slidably connected to the second slide rail via a second slide block.

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