CN214491457U

CN214491457U - Composite material injection moulding mould for injector

Info

Publication number: CN214491457U
Application number: CN202120333878.2U
Authority: CN
Inventors: 胡超宇; 鲁艳; 石家涵
Original assignee: Puang Hangzhou Medical Technology Co ltd
Current assignee: Puang Hangzhou Medical Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-26
Anticipated expiration: 2031-02-05

Abstract

The utility model provides an injector combined material injection moulding mould relates to forming die technical field. The syringe composite injection molding mold includes: a base; the fixed die mechanism is connected with the base; the driving mechanism is connected with the base, the output end of the driving mechanism is connected with the movable die mechanism, the movable die mechanism comprises a movable die plate, a top plate, an electric push rod, a movable die, a conical rotating block and a threaded rod, the output end of the driving mechanism is connected with the movable die plate, the upper surface of the movable die plate is fixedly connected with a pouring pipe and an exhaust pipe, the movable die which is hollow inside and is provided with an opening at the upper end is integrally formed on the lower surface of the movable die plate, and meanwhile, through holes which are mutually communicated with the inside of the movable die are formed in the upper surface of the movable die plate; the movable die is rotatably connected with a conical rotating block through a bearing. The utility model provides an injector combined material injection moulding mould has the advantage that improves injector shaping quality.

Description

Composite material injection moulding mould for injector

Technical Field

The utility model relates to a forming die technical field especially relates to syringe combined material injection molding mould.

Background

Syringes are a common medical device. Gas or liquid is primarily drawn or injected with a needle. The syringe is typically manufactured by the use of a molding die.

When the injector is used, in order to prevent secondary utilization, the inside of the injector is generally provided with a slope structure, and the Chinese patent publication No. CN 204428548U discloses an insulin injector, the inside of the insulin injector is provided with the slope structure for preventing secondary utilization, when the injector is processed through a mould, because of the slope structure, a sharp angle is generated in a forming cavity of the mould, so that a composite material in a molten state cannot well enter the sharp angle of the forming cavity, and the forming quality of the injector is further influenced.

Therefore, there is a need to provide a new composite injection mold for an injector to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve syringe combined material injection moulding mould of syringe shaping quality.

The utility model provides a syringe combined material injection moulding mould includes: a base; the fixed die mechanism is connected with the base; the driving mechanism is connected with the base, the output end of the driving mechanism is connected with the movable die mechanism, the movable die mechanism comprises a movable die plate, a top plate, an electric push rod, a movable die, a conical rotating block and a threaded rod, the output end of the driving mechanism is connected with the movable die plate, the upper surface of the movable die plate is fixedly connected with a pouring pipe and an exhaust pipe, the movable die which is hollow inside and is provided with an opening at the upper end is integrally formed on the lower surface of the movable die plate, and meanwhile, through holes which are mutually communicated with the inside of the movable die are formed in the upper surface of the movable die plate; the movable mould passes through the bearing and rotates and be connected with the rotatory piece of toper, and the last fixed surface of movable mould board is connected with electric putter, electric putter's output fixedly connected with roof, the lower fixed surface of roof is connected with the threaded rod, the threaded rod run through the rotatory piece of toper and with rotatory piece threaded connection of toper.

Preferably, the movable mold mechanism further comprises an air passage, and a plurality of air passages for exhausting air are formed in the outer surface of the movable mold.

Preferably, the driving mechanism comprises a side plate and an air cylinder, the upper surface of the base is fixedly connected with the air cylinder, the output end of the air cylinder is fixedly connected with the side plate, and the side plate is fixedly connected with the side face of the movable template.

Preferably, the fixed die mechanism comprises a fixed die plate and a fixed die, the upper surface of the base is elastically connected with the fixed die plate, the fixed die is installed on the upper surface of the fixed die plate, and the fixed die is located under the movable die.

Preferably, the upper surface of the base is elastically connected with a fixed template, specifically, the upper surface of the base is fixedly connected with a plate spring, and the upper surface of the plate spring is connected with the fixed template.

Preferably, the upper surface of the fixed template is fixedly connected with a limiting rod, and the limiting rod penetrates through the movable template and is in sliding connection with the movable template.

Compared with the prior art, the utility model provides a syringe combined material injection moulding mould has following beneficial effect:

1. the utility model discloses a flexible drive of electric putter can drive the roof and move in vertical direction, and then drive the threaded rod in vertical direction simultaneous movement, when the threaded rod moves in vertical direction, because the threaded rod runs through the rotatory piece of toper and with rotatory piece threaded connection of toper, can make the rotatory piece of toper rotate, can shake the closed angle department in shaping chamber through the rotation of the rotatory piece of toper, be favorable to the better closed angle department that fills into the shaping chamber of combined material of molten state, improve the quality of syringe shaping;

2. when the threaded rod moves in the vertical direction, the threaded rod can collide with the fixed die mechanism, so that the composite material in a molten state can be more uniformly and completely filled in the forming cavity, and the quality of the formed injector is further improved;

3. the utility model discloses an air flue can be favorable to the discharge of shaping chamber apex angle department play gas to be favorable to the better entering into shaping chamber apex angle department of molten state's combined material, improve the shaping quality of syringe.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an injector composite injection molding mold according to the present invention;

FIG. 2 is a schematic cross-sectional view of the injector composite injection mold shown in FIG. 1;

fig. 3 is a schematic structural view of the movable mold mechanism shown in fig. 2.

Reference numbers in the figures: 1. a drive mechanism; 11. a side plate; 12. a cylinder; 2. a base; 3. a plate spring; 4. a die fixing mechanism; 41. fixing a template; 42. fixing a mold; 5. an exhaust pipe; 6. a moving die mechanism; 61. moving the template; 62. a top plate; 63. an electric push rod; 64. moving the mold; 65. a conical rotating block; 66. an airway; 67. a threaded rod; 7. pouring a pipe; 8. a limiting rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to 3, wherein fig. 1 is a schematic structural diagram of a composite material injection mold for an injector according to a preferred embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of the injector composite injection mold shown in FIG. 1; fig. 3 is a schematic structural view of the movable mold mechanism shown in fig. 2. The composite material injection molding mould of the injector comprises: a base 2; the fixed die mechanism 4 is connected with the base 2; the driving mechanism 1 is connected with the base 2, and the output end of the driving mechanism 1 is connected with the movable mold mechanism 6.

In a specific implementation process, as shown in fig. 2 and 3, the movable mold mechanism 6 includes a movable mold plate 61, a top plate 62, an electric push rod 63, a movable mold 64, a conical rotating block 65 and a threaded rod 67, the output end of the driving mechanism 1 is connected with the movable mold plate 61, the upper surface of the movable mold plate 61 is fixedly connected with the pouring pipe 7 and the exhaust pipe 5, the movable mold 64 which is hollow inside and open at the upper end is integrally formed on the lower surface of the movable mold plate 61, and meanwhile, through holes which are communicated with the inside of the movable mold 64 are formed on the upper surface of the movable mold plate 61; the movable mould 64 is rotatably connected with a conical rotating block 65 through a bearing, the upper surface of the movable mould plate 61 is fixedly connected with an electric push rod 63, the output end of the electric push rod 63 is fixedly connected with a top plate 62, the lower surface of the top plate 62 is fixedly connected with a threaded rod 67, and the threaded rod 67 penetrates through the conical rotating block 65 and is in threaded connection with the conical rotating block 65.

Need to explain: when the device is used, the movable die 64 and the fixed die mechanism 4 can be matched to form a molding cavity through the driving mechanism 1, the molding cavity is provided with a sharp corner, the pouring tube 7 and the exhaust pipe 5 are both communicated with the molding cavity, the composite material in a molten state can be injected into the molding cavity through the pouring tube 7, and gas in the molding cavity can be exhausted through the exhaust pipe 5;

it is also stated that: the top plate 62 can be driven to move in the vertical direction through the telescopic driving of the electric push rod 63, and further the threaded rod 67 is driven to synchronously move in the vertical direction, when the threaded rod 67 moves in the vertical direction, the threaded rod 67 penetrates through the conical rotating block 65 and is in threaded connection with the conical rotating block 65, so that the conical rotating block 65 can rotate, the sharp corner of the forming cavity can be vibrated through the rotation of the conical rotating block 65, the composite material in a molten state can be better filled into the sharp corner of the forming cavity, and the forming quality of the injector is improved;

it is also stated that: when the threaded rod 67 moves in the vertical direction, the threaded rod 67 can collide with the fixed die mechanism 4, so that the composite material in a molten state can be more uniformly and completely filled in the molding cavity, and the molding quality of the injector is further improved.

Referring to fig. 3, the movable mold mechanism 6 further includes an air passage 66, and a plurality of air passages 66 for exhausting air are opened on an outer surface of the movable mold 64.

Need to explain: the air passage 66 can be beneficial to discharging air at the sharp corner of the molding cavity, thereby being beneficial to the composite material in a molten state to better enter the sharp corner of the molding cavity and improving the molding quality of the injector.

Referring to fig. 1, the driving mechanism 1 includes a side plate 11 and a cylinder 12, the cylinder 12 is fixedly connected to the upper surface of the base 2, the side plate 11 is fixedly connected to an output end of the cylinder 12, and the side plate 11 is fixedly connected to a side surface of the movable die plate 61.

Need to explain: can drive curb plate 11 through cylinder 12 flexible drive and move, can make movable mould board 61 move at vertical direction under curb plate 11's effect, when movable mould board 61 downstream, movable mould 64 and cover half mechanism 4 cooperation this moment, when movable mould board 61 upward movement, movable mould 64 and cover half mechanism 4 part this moment to accomplish the drawing of patterns.

Referring to fig. 1 and 2, the fixed mold mechanism 4 includes a fixed mold plate 41 and a fixed mold 42, the fixed mold plate 41 is elastically connected to the upper surface of the base 2, the fixed mold 42 is installed on the upper surface of the fixed mold plate 41, and the fixed mold 42 is located right below the movable mold 64.

Need to explain: the fixed mold 42 is arranged to match with the movable mold 64, and when the fixed mold 42 is matched with the movable mold 64, a molding cavity with a sharp corner is formed.

Referring to fig. 1, a fixed mold plate 41 is elastically connected to the upper surface of the base 2, specifically, a plate spring 3 is fixedly connected to the upper surface of the base 2, and the upper surface of the plate spring 3 is connected to the fixed mold plate 41.

Need to explain: the plate spring 3 plays a role of buffering, and noise when the device is used is reduced.

Referring to fig. 1, a limiting rod 8 is fixedly connected to the upper surface of the fixed die plate 41, and the limiting rod 8 penetrates through the movable die plate 61 and is slidably connected with the movable die plate 61.

Need to explain: the limiting rod 8 plays a limiting role, and the degree of freedom of the movable die plate 61 is limited through the limiting rod 8, so that the movable die plate 61 and the movable die 64 can move more stably.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The composite material injection molding mould of the inspirator, characterized by, including:

a base (2);

the fixed die mechanism (4), the fixed die mechanism (4) is connected with the base (2);

the device comprises a driving mechanism (1), wherein the driving mechanism (1) is connected with a base (2), the output end of the driving mechanism (1) is connected with a movable mold mechanism (6), the movable mold mechanism (6) comprises a movable mold plate (61), a top plate (62), an electric push rod (63), a movable mold (64), a conical rotating block (65) and a threaded rod (67), the output end of the driving mechanism (1) is connected with the movable mold plate (61), the upper surface of the movable mold plate (61) is fixedly connected with a pouring pipe (7) and an exhaust pipe (5), the movable mold (64) which is hollow inside and is provided with an opening at the upper end is integrally formed on the lower surface of the movable mold plate (61), and meanwhile through holes which are communicated with the inside of the movable mold (64) are formed in the upper surface of the movable mold plate (61); the movable mould (64) is connected with rotatory piece (65) of toper through the bearing rotation, and the last fixed surface of movable mould board (61) is connected with electric putter (63), and electric putter's (63) output fixedly connected with roof (62), the lower fixed surface of roof (62) is connected with threaded rod (67), threaded rod (67) run through rotatory piece (65) of toper and with rotatory piece (65) threaded connection of toper.

2. The composite material injection mold for syringe as defined in claim 1, wherein the movable mold mechanism (6) further comprises an air passage (66), and the outer surface of the movable mold (64) is provided with a plurality of air passages (66) for exhausting air.

3. The composite material injection molding mold for the injector according to claim 1, wherein the driving mechanism (1) comprises a side plate (11) and a cylinder (12), the cylinder (12) is fixedly connected to the upper surface of the base (2), the side plate (11) is fixedly connected to the output end of the cylinder (12), and the side plate (11) is fixedly connected to the side surface of the movable mold plate (61).

4. The syringe composite injection molding mold according to claim 1, wherein the fixed mold mechanism (4) comprises a fixed mold plate (41) and a fixed mold (42), the fixed mold plate (41) is elastically connected to the upper surface of the base (2), the fixed mold (42) is mounted on the upper surface of the fixed mold plate (41), and the fixed mold (42) is located right below the movable mold (64).

5. The composite material injection molding mold for the injector according to claim 4, characterized in that the upper surface of the base (2) is elastically connected with a fixed mold plate (41), in particular, the upper surface of the base (2) is fixedly connected with a plate spring (3), and the upper surface of the plate spring (3) is connected with the fixed mold plate (41).

6. The composite material injection molding mold for the injector according to claim 4, characterized in that a limiting rod (8) is fixedly connected to the upper surface of the fixed mold plate (41), and the limiting rod (8) penetrates through the movable mold plate (61) and is slidably connected with the movable mold plate (61).