Stroke mechanism of plastic mould

Abstract

The utility model discloses a stroke mechanism of a plastic mould, which relates to the field of moulds and comprises a lower mould, an upper mould, a stroke component and a stroke control component. The stroke mechanism is arranged on one side of the die, the stroke mechanism is installed at the position of the upper die connector on the upper die through the fitting plate, the matching groove in the connecting piece and the connecting groove and limited through the elastic clamping plate and the clamping groove, and meanwhile the stroke control assembly is arranged between the two extension rods at the bottom end of the fitting plate. After the upper die moves to a certain distance, the touch switch on the stroke control assembly is matched with the lower die connector on the lower die to control the upper die to stop moving, and the purpose of controlling the stroke of the upper die is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, concretely relates to a plastic mould stroke mechanism. BACKGROUND

[0002] The injection mould is a tool for producing plastic products, and its use method generally includes clamping, injecting into the cavity to form an injection molded part, and opening the mold to take out the injection molded part. However, some injection molded parts have reverse buckle structures or encapsulation structures, and the ejection direction of the reverse buckle structure or the encapsulation structure is different from the opening direction of the mold. At this time, directly opening the mold to take out the part can easily cause the injection molded part to deform.

[0003] The utility model with publication number CN218615278U discloses a stroke mechanism and a mold, which comprises an opening and closing piece, a blocking piece, and an elastic piece. The opening and closing piece is detachably connected to a second mold plate. The blocking piece has opposite first and second ends. The first end is connected to the opening and closing piece, and the second end corresponds to the first mold plate in the direction of relative opening of the first and second mold plates. The second end has a limiting surface, and when the first and second mold plates are clamped, the limiting surface and the first mold plate have a set interval, and the set interval is equal to the first stroke. The elastic piece is elastically supported between the first and second mold plates.

[0004] As shown in the above-mentioned utility model, the existing mold stroke mechanism can generally realize the opening action of the first mold plate and the second mold plate into at least two times, and can control the stroke of at least one of the opening actions. This way can avoid deformation of the injection molded part when opening the mold, but cannot adapt to different molds. Different molds require different strokes, and general stroke mechanisms can only control the opening stroke of one type of mold, which cannot meet the needs of other molds. Therefore, the present utility model is proposed. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the basic idea of the technical solution of the utility model is:

[0006] A plastic mold stroke mechanism, comprising:

[0007] A lower mold, the upper end of the lower mold is provided with two lower mold connecting heads;

[0008] An upper mold, one side of the upper mold is provided with two upper mold connecting heads, and the two upper mold connecting heads on the upper mold are located directly above the two lower mold connecting heads on the lower mold;

[0009] Stroke assemblies, two stroke assemblies are provided, and the two stroke assemblies are connected to the two upper mold connecting heads of the upper mold for controlling the stroke of the upper mold;

[0010] A stroke control assembly is arranged on the stroke assembly for adjusting the stroke of the upper mold.

[0011] Preferably, the stroke assembly comprises a fitting plate, the top of the fitting plate is provided with a connecting piece, and the fitting plate and the connecting piece are connected with the upper die connector on the upper die through cooperation.

[0012] Preferably, a connecting groove is formed in the middle of the top end of the fitting plate, clamping grooves are formed on both sides of the top end of the fitting plate, dovetail sliding grooves are arranged below the clamping grooves, limit plates are arranged outside the dovetail sliding grooves, dovetail sliding blocks are fixed to the inner side of the lower end of the limit plates, the dovetail sliding blocks are located in the dovetail sliding grooves, and the bottom end of the dovetail sliding blocks is connected with the inner bottom wall of the dovetail sliding grooves through a first spring.

[0013] Preferably, extension rods are fixed to both sides of the bottom end of the fitting plate, limit sliding grooves are formed in the inner wall of the extension rods, and a linear air slot is formed in one side of the extension rod and communicates with the limit sliding groove.

[0014] Preferably, the connecting piece comprises a connecting plate, a cooperation groove is formed in the middle of the bottom end of the connecting plate, and elastic clamping plates are fixed to both sides of the bottom end of the connecting plate and matched with the clamping grooves.

[0015] Preferably, the stroke control assembly comprises a movable frame arranged between the two extension rods, limit sliding blocks are fixed to the outer sides of both ends of the movable frame, the limit sliding blocks are located in the limit sliding grooves, threaded studs are fixed to the upper and lower sides of one end of the limit sliding blocks, the threaded studs penetrate through and are connected with the linear air slot, knobs are connected with the outer sides of the end portions of the threaded studs through internal and external threads, a pressing piece is fixed to one end of the knob, and the pressing piece is attached to one side of the extension rod.

[0016] Preferably, guide holes are formed in the middle of both sides of the movable frame, guide columns penetrate through and are connected in the guide holes, mounting plates are fixed to the top of the guide columns, second springs are sleeved on the outer sides of the upper ends of the guide columns, a touch switch is mounted on the upper surface of the mounting plate, and the touch switch is electrically connected with the driving mechanism of the upper die.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model discloses a stroke mechanism is arranged on one side of the mould, and the stroke mechanism is installed at the upper die connector on the upper die through the cooperation groove and the connecting groove on the fitting plate and the connecting piece, is limited through the elastic clamping plate and the clamping groove simultaneously, and the stroke control assembly is arranged between the two extension rods of the bottom end of the fitting plate, can be controlled through the touch switch on the stroke control assembly and the lower die connector on the lower die cooperation when the upper die moves to a certain distance and stops moving, reaches the purpose of controlling the stroke of the upper die.

[0019] The utility model discloses a travel control assembly is arranged between the two extension rods of the bottom end of the laminating plate, and the mounting frame on the travel control assembly moves in the limiting sliding slot on the extension rod through the limiting slide block, and then the mounting frame is limited to a certain height through the screw stud on the limiting slide block and the pressing piece cooperation on the knob, so that the mounting frame can be adjusted in height according to the travel requirement of the mould, and the travel mechanism of the device can satisfy the travel requirement of different moulds, and the working range and efficiency of the travel mechanism are improved.

[0020] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In the drawings:

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the travel assembly structure schematic diagram of the utility model;

[0024] Figure 3 It is the laminating plate structure schematic diagram of the utility model.

[0025] Figure 4 It is the connecting piece structure schematic diagram of the utility model.

[0026] Figure 5 It is the travel control assembly structure schematic diagram of the utility model.

[0027] In the drawings: lower mould 1, lower mould connecting head 11, upper mould 2, upper mould connecting head 21, travel assembly 3, laminating plate 31, connecting groove 311, clamping groove 312, dovetail sliding groove 313, limiting plate 314, dovetail sliding block 315, first spring 316, extension rod 317, limiting sliding slot 318, linear air slot 319, connecting piece 32, connecting plate 321, cooperation groove 322, elastic clamping plate 323, travel control assembly 4, movable frame 41, limiting slide block 42, screw stud 43, knob 44, pressing piece 45, guide hole 46, guide column 47, mounting plate 48, second spring 49, touch switch 410. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment will be clearly and completely described below with reference to the drawings in the embodiment of the utility model, and the following embodiment is used to illustrate the utility model.

[0029] As Figures 1 to 5 Indicated, a kind of plastic mould travel mechanism, including lower mould 1, upper mould 2, travel assembly 3 and travel control assembly 4.

[0030] The lower die 1 is provided with two lower die connecting heads 11 on one side of the upper end, and the upper die 2 is provided with two upper die connecting heads 21 on one side, and the two upper die connecting heads 21 on the upper die 2 are respectively located directly above the two lower die connecting heads 11 on the lower die 1.

[0031] Specifically, the stroke assembly 3 is provided with two, and the two stroke assemblies 3 are connected with the two upper die connecting heads 21 of the upper die 2, for controlling the stroke of the upper die 2, the stroke assembly 3 includes a clamping plate 31, the top of the clamping plate 31 is provided with a connecting piece 32, the clamping plate 31 and the connecting piece 32 are connected with the upper die connecting head 21 on the upper die 2 in cooperation, the top of the clamping plate 31 is provided with a connecting groove 311 in the middle, and the top of the clamping plate 31 is provided with a clamping groove 312 on both sides, the clamping groove 312 is provided with a dovetail sliding groove 313 below, the outer side of the dovetail sliding groove 313 is provided with a limiting plate 314, the inner side of the limiting plate 314 is fixedly provided with a dovetail sliding block 315 at the lower end, the dovetail sliding block 315 is located in the dovetail sliding groove 313, and the bottom end of the dovetail sliding block 315 is connected with the inner bottom wall of the dovetail sliding groove 313 through a first spring 316, the dovetail sliding block 315 and the dovetail sliding groove 313 cooperate to limit the limiting plate 314, the first spring 316 is arranged to enable the limiting plate 314 to automatically reset after moving, the top of the limiting plate 314 is provided with an inclined port on the inner side, which is convenient for limiting the elastic clamping plate 323, the bottom end of the clamping plate 31 is fixedly provided with an extension rod 317 on both sides, the inner wall of the extension rod 317 is provided with a limiting sliding groove 318, and the extension rod 317 is provided with a linear air slot 319 on one side, the linear air slot 319 is in communication with the limiting sliding groove 318, the connecting piece 32 includes a connecting plate 321, the bottom end of the connecting plate 321 is provided with a matching groove 322 in the middle, the matching groove 322 and the connecting groove 311 cooperate to form a polygonal limiting groove, which can be matched with the hexagonal bolt on the upper die connecting head 21 and limit the clamping plate 31, the bottom end of the connecting plate 321 is fixedly provided with an elastic clamping plate 323 on both sides, the elastic clamping plate 323 is matched with the clamping groove 312, and the elastic clamping plate 323 and the clamping groove 312 cooperate to limit and connect the connecting piece 32 and the clamping plate 31, thereby limiting the clamping plate 31 on the upper die 2.

[0032] More specifically, the stroke control assembly 4 is arranged on the stroke assembly 3 for adjusting the stroke of the upper die 2, the stroke control assembly 4 comprises a movable frame 41 arranged between the two extension rods 317, both ends of the movable frame 41 are fixed with limit sliding blocks 42 outside, the limit sliding blocks 42 are located in the limit sliding grooves 318, so that the movable frame 41 keeps vertical up-down movement, one end of the limit sliding block 42 is fixed with a stud 43 on both sides, the stud 43 is connected with the linear air slot 319, the outer side of the end of the stud 43 is connected with a knob 44 through internal and external threads, one end of the knob 44 is fixed with a pressing plate 45, the pressing plate 45 is attached to one side of the extension rod 317, the knob 44 cooperates with the stud 43 to drive the pressing plate 45 to move, the pressing plate 45 is attached to one side of the extension rod 317 to play a role of damping and limiting, so as to limit the movable frame 41 at a certain height, the middle part of the movable frame 41 is provided with guide holes 46 on both sides, the guide holes 46 are connected with guide columns 47 inside, the top of the guide column 47 is fixed with a mounting plate 48, the guide column 47 cooperates with the guide hole 46 to play a role of guiding, so that the mounting plate 48 keeps vertical up-down movement, the outer side of the upper end of the guide column 47 is sleeved with a second spring 49, the second spring 49 is arranged to play a role of buffering, the upper surface of the mounting plate 48 is installed with a touch switch 410, the touch switch 410 is electrically connected with the driving mechanism of the upper die 2, the touch switch 410 is in contact with the lower die connecting head 11 on the lower die 1, which can control the stroke driving mechanism of the upper die 2 to stop working, and control the stroke of the upper die 2 within a certain distance.

[0033] When the device is installed, firstly, the fitting plate 31 is fitted on the upper die 2, then the connecting groove 311 on the fitting plate 31 is contacted with the bolt of the upper die connecting head 21 on the upper die 2, then the connecting plate 321 on the connecting piece 32 is contacted with the bolt of the upper die connecting head 21 on the upper die 2 through the matching groove 322, at this time, the elastic clamping plate 323 on the connecting plate 321 is clamped into the clamping groove 312 on the fitting plate 31, before this, the limiting plate 314 is moved downward, so that the first spring 316 is compressed, when the elastic clamping plate 323 is clamped successfully, the limiting plate 314 is loosened, the limiting plate 314 is reset under the action of the first spring 316, at this time, the limiting plate 314 is fitted with the outer side of the lower end of the elastic clamping plate 323, the elastic clamping plate 323 is limited, so that the elastic clamping plate 323 and the clamping groove 312 are limited stably, then according to the stroke adjustment needs of the mold, the height of the movable frame 41 is adjusted, until the movable frame 41 moves to the appropriate height, at this time, the knob 44 is twisted, the knob 44 is matched with the stud 43 to drive the pressing plate 45 to move, until the pressing plate 45 is contacted with the extension rod 317, the damping limiting effect is achieved, the movable frame 41 is limited, at this time, the installation of the device is completed, when the device works, firstly, the driving mechanism of the upper die 2 drives the upper die 2 to move upward, the upper die 2 drives the fitting plate 31 to move upward, until the touch switch 410 on the mounting plate 48 is contacted with the lower die connecting head 11 on the lower die 1, the touch switch 410 controls the driving mechanism of the upper die 2 to stop working, so as to achieve the purpose of controlling the stroke of the upper die 2.

[0034] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A plastic mold stroke mechanism characterized by comprising: The utility model relates to a two -way moulding machine, including: Lower mould, the upper end one side of lower mould is provided with two lower mould connecting heads; Upper mould, one side of upper mould is provided with two upper mould connecting heads, two upper mould connecting heads on upper mould are located just above two lower mould connecting heads on lower mould respectively; Stroke assembly, two stroke assemblies are provided, two stroke assemblies are connected with two upper mould connecting heads of upper mould respectively, and are used for controlling the stroke of upper mould; Stroke control assembly, the stroke control assembly is arranged on the stroke assembly and is used for adjusting the stroke of the upper mould.

2. A plastic mold stroke mechanism according to claim 1, wherein The stroke assembly includes a fitting plate, a connecting piece is provided on the top of the fitting plate, and the fitting plate and the connecting piece are connected with the upper mold connecting head on the upper mold.

3. A plastic mold stroke mechanism according to claim 2, wherein A connecting groove is formed in the middle of the top end of the fitting plate, and a clamping groove is formed on both sides of the top end of the fitting plate, a dovetail sliding groove is arranged below the clamping groove, a limiting plate is arranged outside the dovetail sliding groove, a dovetail sliding block is fixed to the inner side of the lower end of the limiting plate, the dovetail sliding block is located in the dovetail sliding groove, and the bottom end of the dovetail sliding block is connected with the inner bottom wall of the dovetail sliding groove through a first spring.

4. A plastic mold stroke mechanism according to claim 3, wherein Extension rods are fixed to both sides of the bottom end of the fitting plate, a limiting sliding groove is formed in the inner wall of the extension rod, and a linear hollow groove is formed on one side of the extension rod.

5. A plastic mold stroke mechanism according to claim 2 wherein, The connecting piece includes a connecting plate, a matching groove is formed in the middle of the bottom end of the connecting plate, and elastic clamping plates are fixed to both sides of the bottom end of the connecting plate.

6. A plastic mold stroke mechanism according to claim 1, wherein The stroke control assembly includes a movable frame arranged between the two extension rods, limiting sliding blocks are fixed to the outer sides of both ends of the movable frame, the limiting sliding blocks are located in the limiting sliding grooves, threaded studs are fixed to the upper and lower sides of one end of the limiting sliding blocks, the threaded studs are connected with the linear hollow groove in penetration, knobs are connected with the outer sides of the end portions of the threaded studs through internal and external threads, pressing pieces are fixed to one end of the knobs, and the pressing pieces are attached to one side of the extension rod.

7. A plastic mold stroke mechanism according to claim 6 wherein, Guide holes are formed in the middle of both sides of the movable frame, guide columns are connected in penetration in the guide holes, mounting plates are fixed to the top portions of the guide columns, second springs are sleeved to the outer sides of the upper ends of the guide columns, touch switches are installed on the upper surfaces of the mounting plates, and the touch switches are electrically connected with the driving mechanism of the upper mold.

Images