Automatic part taking structure of injection molding machine
By designing an automatic part removal structure for injection molding machines, and using rodless cylinders and hydraulic cylinders to drive the clamping plate to hold and cut off the sprue, the problem of manual sprue trimming in existing technologies is solved, thereby improving production efficiency and reducing costs.
Patent Information
- Application Number
- CN202423243929.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing injection molding machine's part removal structure cannot automatically cut the sprue, requiring manual trimming, which reduces production efficiency and increases costs due to its complex structure.
Design an automatic part removal structure for injection molding machines, including a rodless cylinder, a hydraulic cylinder, a clamping plate, and a cutter. The cylinder drives the clamping plate to clamp the sprue and cut it off, thereby achieving automated part removal.
It achieves automated part picking, improves production efficiency, reduces costs, has wide applicability, simple structure, and can be quickly changed according to the shape of plastic parts.
Smart Images
Figure CN223589928U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding machine part removal technology, specifically an automatic part removal structure for injection molding machines. Background Technology
[0002] When using an injection molding machine to process injection molded parts, after the punch and die of the injection molding machine separate, the injection molded part needs to be clamped and taken out from the punch to complete the material removal of the injection molded part, so as to carry out the next injection molding process.
[0003] Most existing injection molding machines use a part-removal mechanism to remove parts. After the injection molding process is complete, the mold is opened, and the part-removal mechanism is taken out of the mold.
[0004] However, the existing part removal structure can only remove the injection-molded plastic part, but cannot cut its gate area. It requires subsequent manual trimming, which increases the trimming process and reduces the production efficiency of plastic parts. At the same time, the existing part removal structure is generally relatively complex, which increases the processing cost. Utility Model Content
[0005] In view of the technical problems in the prior art, the present invention provides an automatic part removal structure for injection molding machines, the purpose of which is to solve the above problems.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] An automatic part-removal structure for injection molding machines includes two columns fixed to the ground on both sides of the unloading area of the injection molding machine. A rodless cylinder is horizontally mounted on the top of each column. A first hydraulic cylinder is vertically mounted on the piston of the rodless cylinder corresponding to the unloading area of the injection molding machine. A horizontal plate is horizontally fixed at the bottom of the first hydraulic cylinder. A connecting plate, which can be bolted, is horizontally mounted on the lower side of the horizontal plate. A sprue clamping structure is vertically mounted on the rear side of the connecting plate. A cutter is mounted on the rear side of the sprue clamping structure. A drive assembly, capable of driving the longitudinal movement of the cutter, is located on the lower side of the piston of the rodless cylinder corresponding to the cutter.
[0008] Preferably, the sprue clamping structure includes a vertically arranged clamping plate, and a sprue groove adapted to the number of sprues is opened on the lower side of the clamping plate at the longitudinal position corresponding to the sprue. The top of the multiple sprue grooves is provided with clamping parts that can engage the sprues.
[0009] Preferably, the clamping piece comprises a plurality of arc-shaped clamping blocks matching the outer surface of the water gap in a ring array, the inner part of the clamping plate is provided with a movable slot corresponding to the plurality of arc-shaped clamping blocks, and the side close to the plurality of arc-shaped clamping blocks is fixedly and rotatably connected to the front and rear side walls of the movable slot; when the water gap of the clamping plate is downwardly clamped on the water gap and continuously lowered to abut against the arc-shaped clamping blocks, the plurality of arc-shaped clamping blocks rotate along the rotating connection to clamp the water gap in the water gap.
[0010] Preferably, the fixed connection part of the plurality of arc-shaped clamping blocks is provided with a ratchet wheel, the movable slot is rotatably provided with a pawl corresponding to the ratchet wheel and capable of being clamped with the ratchet wheel, and the rotating connection part of the pawl is provided with a torsional spring.
[0011] Preferably, the driving assembly comprises a second hydraulic cylinder vertically arranged on the upper side of the cutter, the top of the second hydraulic cylinder is fixed to the bottom of the piston of the rodless cylinder, the upper side of the cutter is provided with a connecting block fixed by bolts, and the connecting block is fixed to the bottom of the second hydraulic cylinder.
[0012] Preferably, a guide rod is vertically arranged on the upper side of the horizontal plate corresponding to the connecting block, the guide rod penetrates through the connecting block upwardly and is slidably connected to the connecting block.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The automatic part taking structure of the injection molding machine provided by the utility model opens the mold after the injection molding of the injection molding machine is completed, drives the piston of the rodless cylinder to run to the plastic part by controlling the rodless cylinder, starts the first hydraulic cylinder downwardly, clamps the water gap of the clamping plate on the water gap until the water gap moves downwardly to abut against the arc-shaped clamping blocks, makes the plurality of arc-shaped clamping blocks rotate along the rotating connection until the arc-shaped clamping blocks on the lower side clamp the water gap, controls the rodless cylinder to move horizontally to clamp and take out the clamped plastic part, moves to the outside collecting frame, starts the second hydraulic cylinder to extend downwardly to drive the cutter to cut off the water gap, and then the plastic part falls into the collecting frame, the water gap is pulled out, the above work is repeated, the automatic part taking and the cutting of the water gap are completed, the production efficiency is improved, the overall structure is simple, the threaded connection can be replaced according to the shape of the plastic part at any time, the cost is reduced, and the applicability is wider. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole schematic view of the automatic part taking structure of the injection molding machine of the utility model;
[0016] Figure 2 It is a front view of the water gap clamping structure of the automatic part taking structure of the injection molding machine of the utility model;
[0017] Figure 3 It is a side view of the automatic part taking structure of the injection molding machine of the utility model; Figure 2An enlarged view of A in FIG.
[0018] Figure 4 It is a driving assembly side view of the automatic part taking structure of the injection molding machine.
[0019] In the figure: 1, stand; 2, rodless cylinder; 3, first hydraulic cylinder; 31, horizontal plate; 4, connecting plate; 5, nozzle clamping structure; 51, clamping plate; 52, nozzle groove; 53, movable groove; 6, cutter; 7, driving assembly; 71, second hydraulic cylinder; 72, connecting block; 73, guide rod; 8, clamping part; 81, arc-shaped clamping block; 82, ratchet wheel; 83, pawl; 84, torsional spring. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Please refer to Figures 1-4 The utility model provides an automatic part taking structure of injection molding machine for automatic part taking of injection molding machine, including the stand 1 of being fixed on ground at both sides of the blanking place of injection molding machine, two stand 1 top transverse rodless cylinder 2, the piston of rodless cylinder 2 corresponds the vertical first hydraulic cylinder 3 of blanking place of injection molding machine, and the bottom transverse fixed horizontal plate 31 of first hydraulic cylinder 3, the lower side transverse connecting plate 4 of being able to pass through bolt fixation of horizontal plate 31, the rear side vertical nozzle clamping structure 5 of connecting plate 4, the rear side of nozzle clamping structure 5 is equipped with cutter 6, and the lower side of the piston of rodless cylinder 2 corresponds the driving assembly 7 of being able to drive its longitudinal movement at cutter 6 place;
[0022] After the injection molding machine is completed, when opening the mold, the piston is moved to the top of the plastic part by controlling the rodless cylinder 2 through the external control equipment, and the nozzle clamping structure 5 is downwardly clamped to the nozzle of the plastic part by starting the first hydraulic cylinder 3 to extend, the rodless cylinder 2 is started again to drive the clamped plastic part to move to the external collection equipment, and the nozzle is cut off by driving the cutter 6 downwardly through the driving assembly 7, so that the plastic part falls into the collection equipment, and the nozzle is pulled out, the above work is repeated, the automatic taking is completed, the nozzle material is cut off, the production efficiency is improved, the overall structure is simple, the threaded connection can be replaced according to the shape of the plastic part at any time, the cost is reduced, and the applicability is wider; The external control equipment and the collection equipment herein belong to conventional components in the prior art, and their connection or control mode is also a conventional technical means in the prior art.
[0023] Further, seeFigures 2-3 The water gap 52 is provided with a clamping piece 8 capable of clamping the water gap 52. The first hydraulic cylinder 3 is lowered to drive the clamping plate 51 downward, so that the water gap 52 corresponding to the water gap is entered into the water gap 52, and the water gap in the water gap 52 is clamped by the clamping piece 8. The connecting plate 4 is fixed on the horizontal plate 31 by bolts, and the corresponding clamping plate 51 can be replaced according to the shape of the injection molding part or the number of water gaps, so that the applicability is wide.
[0024] In the embodiment, the clamping piece 8 includes a plurality of arc-shaped clamping blocks 81 matched with the outer surface of the water gap in an annular array. Figures 2-3 The clamping plate 51 is internally provided with a movable slot 53 corresponding to the plurality of arc-shaped clamping blocks 81. The plurality of arc-shaped clamping blocks 81 are fixedly connected and rotatably connected to the front and rear side walls of the movable slot 53 on the side close to each other. When the water gap 52 of the clamping plate 51 is clamped on the water gap and continuously lowered to abut on the arc-shaped clamping block 81, the plurality of arc-shaped clamping blocks 81 rotate along the rotatable connection to the adjacent arc-shaped clamping blocks 81 to clamp the water gap in the water gap 52. The fixed connection of the plurality of arc-shaped clamping blocks 81 is provided with a ratchet 82, and the movable slot 53 is rotatably provided with a pawl 83 capable of clamping the ratchet 82. The rotatable connection of the pawl 83 is provided with a torsional spring 84.
[0025] When the water gap is entered into the water gap 52, the plurality of arc-shaped clamping blocks 81 are rotated along the rotatable connection by abutting the water gap on the arc-shaped clamping block 81, so that the adjacent arc-shaped clamping blocks 81 on the lower side clamp the water gap. Figures 2-3 The ratchet 82 cooperates with the pawl 83 to make the plurality of rotating arc-shaped clamping blocks 81 rotate in only one direction, so that the water gap is not loosened after being clamped, and the entire plastic part can be smoothly taken out.
[0026] Further, see Figure 2 、 4 The driving assembly 7 includes a second hydraulic cylinder 71 vertically arranged on the upper side of the cutter 6. The second hydraulic cylinder 71 is fixed to the bottom of the piston of the rodless cylinder 2. The cutter 6 is provided with a connecting block 72 fixed by bolts. The connecting block 72 is fixed to the bottom of the second hydraulic cylinder 71. The horizontal plate 31 is vertically provided with a guide rod 73 corresponding to the connecting block 72. The guide rod 73 penetrates the connecting block 72 upward and is slidably connected thereto.
[0027] By controlling the second hydraulic cylinder 71 to extend, the cutter 6 is driven to descend to cut off the water gap, the plastic part cut off falls into the external collecting device, and the water gap material is pulled out, the above work is repeated, so that the automatic part taking is completed, the water gap material is cut off, the production efficiency is improved, the overall structure is simple, the threaded connection can be replaced according to the shape of the plastic part at any time, the cost is reduced, and the applicability is wider.
[0028] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0029] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation to the present application.
[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An automatic part take-out structure of an injection molding machine for automatic part take-out of an injection molding machine, characterized by, The utility model provides a water gap clamping structure of injection molding machine, including the stand (1) of being arranged in the two sides of injection molding machine's discharging place can be fixed on the ground, two the stand (1) top transverse no -rod air cylinder (2) is equipped, the piston of no -rod air cylinder (2) corresponds the vertical first hydraulic cylinder (3) of injection molding machine's discharging place, its bottom transverse fixedly equipped with horizontal plate (31), the lower side transverse of horizontal plate (31) is equipped with the connecting plate (4) of being through bolt fixed, the rear side vertical water gap clamping structure (5) of connecting plate (4), water gap clamping structure (5) rear side is equipped with cutter (6), the lower side of the piston of no -rod air cylinder (2) corresponds the cutter (6) and is equipped with the drive assembly (7) that can drive its longitudinal movement.
2. The automatic part pickup structure of an injection molding machine according to claim 1, wherein The water gap clamping structure (5) includes a vertically arranged clamping plate (51), a plurality of water gap slots (52) corresponding to the number of water gaps are formed in the lower side of the clamping plate (51) longitudinally, and a plurality of clamping pieces (8) capable of clamping the water gaps are arranged on the top of the water gap slots (52).
3. The automatic part pickup structure of an injection molding machine according to claim 2, wherein The clamping piece (8) includes a plurality of arc-shaped clamping blocks (81) in an annular array matching the outer surface of the water gap, a plurality of movable grooves (53) corresponding to the arc-shaped clamping blocks (81) are formed in the clamping plate (51), and the side of the arc-shaped clamping blocks (81) close to each other is fixedly connected and rotatably connected to the front and rear side walls of the movable grooves (53). When the water gap slot (52) of the clamping plate (51) is clamped on the water gap and continuously lowered to abut against the arc-shaped clamping blocks (81), the arc-shaped clamping blocks (81) rotate along the rotatable connection to the adjacent arc-shaped clamping blocks (81) to clamp the water gap in the water gap slot (52).
4. The automatic part take-out structure of an injection molding machine according to claim 3, wherein A ratchet wheel (82) is arranged at the fixed connection of the arc-shaped clamping blocks (81), a pawl (83) capable of clamping the ratchet wheel (82) is rotatably arranged in the movable groove (53) corresponding to the ratchet wheel (82), and a torsional spring (84) is arranged at the rotatable connection of the pawl (83).
5. The automatic part removal structure of claim 3, wherein The drive assembly (7) includes a second hydraulic cylinder (71) vertically arranged on the upper side of the cutter (6), the second hydraulic cylinder (71) is fixedly arranged at the bottom of the piston of the no -rod air cylinder (2), a connecting block (72) fixedly connected by bolts is arranged on the upper side of the cutter (6), and the connecting block (72) is fixedly arranged at the bottom of the second hydraulic cylinder (71).
6. The automatic part removal structure of claim 5, wherein A guide rod (73) is vertically arranged on the upper side of the horizontal plate (31) corresponding to the connecting block (72), the guide rod (73) penetrates the connecting block (72) upward and is slidably connected thereto.