CN210679440U - Gantry type T-shaped double-charging-barrel injection molding machine - Google Patents

Abstract

The utility model discloses a gantry type T-shaped double-material-cylinder injection molding machine in the technical field of injection molding machines, which mainly comprises a device base, a gantry type mold frame and a T-shaped feeding mechanism, wherein the gantry type mold frame and the T-shaped feeding mechanism are fixedly arranged at the top of the device base, the gantry type mold frame comprises a gantry framework arranged at the top of the device base, an inner cavity of the gantry framework is provided with a through groove for injection molding, the upper side and the lower side of the through groove are respectively provided with an upper mold base and a lower mold base, the T-shaped feeding mechanism comprises an injection molding feeding host machine, the front end of the injection molding feeding host machine is fixedly provided with a feeding arm, the front end of the feeding arm is provided with an eccentric injection head, the rear ends of the two groups of injection molding feeding host machines keep a certain distance and are closed side by side, the front ends of the two groups of injection molding feeding host, can improve the injection molding efficiency and save the injection molding raw materials.

Description

Gantry type T-shaped double-charging-barrel injection molding machine

Technical Field

The utility model relates to a technical field of moulding plastics specifically is a two feed cylinder injection molding machines of planer-type T shape.

Background

As shown in fig. 1, the connecting member b and the connecting member c need to be fixedly connected to the umbrella frame a made of glass fiber material through an injection molding process, the conventional injection molding machine for completing the process only has one injection head, liquid raw materials are laterally injected from a mold cavity of the connecting member b and a mold cavity of the connecting member c on the mold during injection molding, and a plurality of connecting members b, connecting members c and leftover materials d are respectively formed after split molding of the liquid raw materials in the mold cavities on the two sides, and the process finds the following technical disadvantages in use:

1. the leftover materials d produced by single injection molding are more; because the existing injection molding machine is only provided with one injection head, raw materials are injected from the side between the die cavity of the connecting piece b and the die cavity of the connecting piece c on the die during injection molding, so that the flow path of the raw materials in the die cavity of the die is longer, the cooling of the raw materials before reaching the die cavity of the connecting piece b and the die cavity of the connecting piece c is not ensured, the minimum sectional area of the raw materials flowing through the channel is larger, and more leftover materials d are formed after molding;

2. based on the above drawback 1, if we want to reduce the scrap d, we need to avoid the split part of the path through which the raw material flows, so that the connecting piece b and the connecting piece c are injection molded independently, however, the conventional injection molding machine has only one injection head, and cannot realize the injection molding mode in which the connecting piece b and the connecting piece c are injection molded independently;

3. based on the above drawbacks 1 and 2, in the actual product design, the distances between the connecting piece b and the connecting piece c of different types of products are different, and on the premise of the independent injection molding mode of the connecting piece b and the connecting piece c, the injection molding hole distances between the mold cavities of the connecting piece b and the connecting piece c in the multiple molds are different, so that the conventional injection molding machine with only one injection head cannot realize the adjustment of the distance between the two injection molding holes.

Based on this, the utility model designs a two feed cylinder injection molding machines of planer-type T shape to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two feed cylinder injection molding machines of planer-type T shape to solve above-mentioned technical problem.

In order to realize the purpose, the utility model provides the following technical scheme: a gantry type T-shaped double-charging-barrel injection molding machine mainly comprises a device base, a gantry type mold frame and a T-shaped feeding mechanism, wherein the T-shaped feeding mechanism is provided with two groups with the same structure and is bilaterally and symmetrically distributed behind the gantry type mold frame;

the T-shaped feeding mechanism comprises an injection molding feeding host, a feeding arm is fixedly arranged at the front end of the injection molding feeding host, an eccentric injection head is arranged at the front end of the feeding arm, the bottom of the injection molding feeding host is adjusted forwards and backwards along the length direction through a slide bar and slide block mechanism, the rear ends of the injection molding feeding host keep a certain distance and are close together side by side, and the front ends of the injection molding feeding host can swing around the rear ends of the injection molding feeding host to adjust the distance.

Preferably, the lower die holder is fixedly mounted at the bottom of the through groove of the gantry framework, the top of the upper die holder is provided with a hydraulic cylinder and a plurality of limiting sliding columns, the hydraulic cylinder is fixedly mounted at the top of the through groove of the gantry framework, and the limiting sliding columns are vertically and slidably connected with the top of the through groove of the gantry framework.

Preferably, the outer side of the gantry framework is wrapped with a metal outer decoration hood.

Preferably, the bottom of the feeding host computer of moulding plastics is provided with a pair of front and back interval distribution's host computer slide, host computer slide slidable mounting is on a pair of host computer slide bars side by side about, the host computer slide bar passes through the slide bar fixing base and installs on the host computer bottom plate, the feeding host computer of moulding plastics pass through the host computer slide with host computer slide bar slidable fit realizes front and back position adjustment, the bottom rear end of host computer bottom plate through fixed commentaries on classics round pin with set firmly in bottom plate horizontal pole on the device base keeps rotating the installation, the bottom front end of host computer bottom plate is provided with the arc slide rail, the host computer bottom plate front end through be provided with a pair of set screw with the.

Preferably, an arc-shaped sliding groove is formed in the arc-shaped sliding rail, and the circle center of the arc-shaped sliding groove coincides with the central axis of the fixed rotating pin.

Preferably, the height of the front side injection molding point of the eccentric injection head is flush with the height of the top surface of the feeding arm.

Compared with the prior art, utility model's beneficial effect does:

the utility model discloses be different from the traditional injection molding machine that is used for rib to mould plastics, this equipment includes a set of planer-type mould frame and two sets of T shape feed mechanism that can be around and swing the regulation, and two sets of T shape feed mechanism are bilateral symmetry and distribute in planer-type mould frame's rear, and two sets of T shape feed mechanism's front end all is provided with eccentric notes stub bar, consequently, adopts the utility model discloses when equipment replaces original single injection molding machine who annotates the stub bar, have following advantage:

1. the matched mould used on the equipment can adopt a mode that the mould cavity of the connecting piece b and the mould cavity of the connecting piece c are respectively and independently injected, so that the design of the mould cavity of a raw material shunting part during mould opening is omitted, namely the whole size of the mould with the same product quantity is reduced, or more products can be simultaneously injected on the mould with the same size;

2. because the design of a die cavity of a raw material shunting part during die opening is omitted in the die adopted by the equipment, the length of leftover materials d generated after the product is formed (namely, a non-product part path of the raw material flowing through the die cavity) is shortened, and the flow time of the raw material is shortened along with the shortening of the non-product part path of the raw material flowing through the die cavity, so that the cross section area of the path is further reduced on the premise of ensuring that the raw material is not cooled, the injection molding period can be shortened, the production efficiency is improved, the leftover materials d formed after the forming can be effectively reduced, and the production cost is reduced;

3. because the eccentric material injection heads at the front ends of the two groups of T-shaped feeding mechanisms can be adjusted back and forth and swing relative to the gantry type mold frame, the two groups of eccentric material injection heads can be correspondingly matched with two injection molding openings on different molds respectively, so that the injection molding machine can be suitable for injection molding products of molds with different types of products (namely, the connecting piece b and the connecting piece c have different distances), and the use compatibility of multiple molds can be ensured;

4. in addition, the eccentric injection head at the front end of the T-shaped feeding mechanism is of an upward eccentric structure, and compared with the original in-house injection head, the injection point height (namely the height of the upper and lower die closing surfaces) of the eccentric injection head of the equipment is lifted, so that the product can be conveniently taken out from one side of the T-shaped feeding mechanism after being molded.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is a schematic structural view of a raw injection-molded product;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic top view of the overall structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the gantry mold frame of the present invention;

FIG. 5 is a schematic structural view of a gantry mold frame of the present invention;

FIG. 6 is a schematic structural view of the T-shaped feeding mechanism of the present invention;

FIG. 7 is a schematic structural view of a T-shaped feeding mechanism of the present invention;

FIG. 8 is a third schematic structural view of the T-shaped feeding mechanism of the present invention;

fig. 9 is the schematic view of the injection molding working state of the T-shaped feeding mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-device base, 2-gantry type mold frame, 21-gantry type framework, 22-upper mold base, 23-lower mold base, 24-hydraulic cylinder, 25-limiting sliding column, 36-exterior trim hood, 3-T-shaped feeding mechanism, 31-injection molding feeding host, 32-feeding arm, 33-eccentric injection head, 34-host sliding base, 35-host sliding rod, 36-over sliding rod fixing base, 37-host bottom plate, 38-fixed rotating pin, 39-bottom plate cross rod, 310-arc sliding rail, 311-positioning screw and 312-arc sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-9, the utility model provides a technical solution: a gantry type T-shaped double-charging-barrel injection molding machine mainly comprises a device base 1, a gantry type mold frame 2 and a T-shaped feeding mechanism 3, wherein the T-shaped feeding mechanism 3 is provided with two groups of same structures and is distributed at the rear part of the gantry type mold frame 2 in a bilateral symmetry mode, the gantry type mold frame 2 and the T-shaped feeding mechanism 3 are both fixedly installed at the top of the device base 1, the gantry type mold frame 2 comprises a gantry framework 21 arranged at the top of the device base 1, an inner cavity of the gantry framework 21 is provided with a through groove used for injection molding, and an upper mold base 22 and a lower mold base 23 are respectively arranged on the upper side and the lower side of the through groove;

the T-shaped feeding mechanism 3 comprises an injection molding feeding host 31, a feeding arm 32 is fixedly arranged at the front end of the injection molding feeding host 31, an eccentric injection head 33 is arranged at the front end of the feeding arm 32, the bottoms of the two groups of injection molding feeding hosts 31 are adjusted forwards and backwards along the length direction through a slide bar slider mechanism, the rear ends of the two groups of injection molding feeding hosts 31 keep a certain distance and are closed together side by side, and the front ends of the two groups of injection molding feeding hosts 31 can swing around the rear ends thereof to adjust the distance.

Further, the lower die holder 23 and the bottom of the through groove of the gantry framework 21 are fixedly installed, the top of the upper die holder 22 is provided with a hydraulic cylinder 24 and a plurality of limiting sliding columns 25, the hydraulic cylinder 24 and the top of the through groove of the gantry framework 21 are fixedly installed, and the limiting sliding columns 25 and the top of the through groove of the gantry framework 21 are in vertical sliding connection.

Furthermore, a metal exterior trim hood 26 is wrapped outside the gantry framework 21.

Further, a pair of host slide bases 34 which are distributed at intervals front and back are arranged at the bottom of the injection molding feeding host 31, the host slide bases 34 are slidably mounted on a pair of host slide bars 35 which are arranged side by side left and right, the host slide bars 35 are mounted on a host bottom plate 37 through slide bar fixing bases 36, the injection molding feeding host 31 is slidably matched with the host slide bars 35 through the host slide bases 34 to realize front and back position adjustment, the rear end of the bottom of the host bottom plate 37 is rotatably mounted with a bottom plate cross bar 39 which is fixedly arranged on the device base 1 through a fixed rotating pin 38, an arc-shaped slide rail 310 is arranged at the front end of the bottom of the host bottom plate 37, and the front end of the host bottom plate.

Further, an arc sliding groove 312 is formed in the arc sliding rail 310, and a center of the arc sliding groove 312 coincides with a central axis of the fixed rotating pin 38.

Further, the height of the front injection point of the eccentric injection head 33 is flush with the height of the top surface of the feeding arm 32.

One specific application of this embodiment is:

example 1:

the utility model discloses be different from the injection molding machine that the tradition was used for the rib to mould plastics, this equipment includes a set of planer-type mould frame 2 and two sets of T shape feed mechanism 3 that can be around and swing and change the regulation, and two sets of T shape feed mechanism 3 are bilateral symmetry and distribute in planer-type mould frame 2's rear, and two sets of T shape feed mechanism 3's front end all is provided with eccentric notes stub bar 33, consequently, adopt the utility model discloses when equipment replaces original single notes stub bar's injection molding machine, the mould that the supporting use was used on this equipment can adopt the mode that connecting piece b die cavity and connecting piece c die cavity independently moulded plastics separately to raw materials reposition of redundant personnel partial die cavity design when saving the die sinking, the whole size of the mould of the same product quantity can be reduced promptly, perhaps can mould plastics more quantity's product.

Example 2:

based on embodiment 1, because the die cavity design of the raw material diversion part is omitted in the die adopted by the device during die opening, the length of the leftover material d generated after product molding (namely, the non-product part path through which the raw material flows in the die cavity) is shortened, and the raw material flow time is shortened along with the shortening of the non-product part path through which the raw material flows in the die cavity, so that the cross-sectional area of the path is further reduced on the premise of ensuring that the raw material is not cooled, thereby not only shortening the injection molding period and improving the production efficiency, but also effectively reducing the leftover material d formed after molding and reducing the production cost, as shown in the leftover material d in fig. 9, compared with the leftover material d in fig. 1, the diversion part is omitted.

Example 3:

because the eccentric material injection heads 33 at the front ends of the two groups of T-shaped feeding mechanisms 3 can be adjusted back and forth and swing relative to the gantry type mold frame 2, the two groups of eccentric material injection heads 33 can be correspondingly matched with two injection molding openings on different molds respectively, so that the injection molding machine can be suitable for injection molding products of molds with different models (namely, the distance between the connecting piece b and the connecting piece c is different), and the use compatibility of multiple molds can be guaranteed;

specifically, as shown in fig. 6 and 7, during the forward and backward adjustment: a pair of host slide seats 34 which are distributed at intervals front and back are arranged at the bottom of the injection molding feeding host 31, the host slide seats 34 are slidably mounted on a pair of host slide rods 35 which are arranged side by side left and right, the host slide rods 35 are mounted on a host bottom plate 37 through slide rod fixing seats 36, the injection molding feeding host 31 can be slidably matched with the host slide rods 35 through the host slide seats 34 to realize front and back position adjustment, and after the adjustment is finished, fixing pieces such as pins and the like are arranged on the host slide seats 34 to be locked transversely so as to position the injection molding feeding host, or;

during swing adjustment, the rear end of the bottom of a host bottom plate 37 is rotatably mounted with a bottom plate cross rod 39 fixedly arranged on a device base 1 through a fixed rotating pin 38, the front end of the bottom of the host bottom plate 37 is provided with an arc-shaped slide rail 310, the front end of the host bottom plate 37 is slidably connected with the arc-shaped slide rail 310 through a pair of positioning screws 311, an arc-shaped slide groove 312 is formed in the arc-shaped slide rail 310, the circle center of the arc-shaped slide groove 312 is overlapped with the central axis of the fixed rotating pin 38, the cross section of the arc-shaped slide groove 312 is in an inverted T shape, the positioning screws 311 are inserted into the arc-shaped slide groove 312 and can be locked and positioned in a matched manner with nuts, the positioning screws 311 are loosened during adjustment, the whole T-shaped feeding mechanism 3;

the front-back movement adjustment and the left-right swinging adjustment of the T-shaped feeding mechanism 3 enable the eccentric injection heads 33 to have two degrees of freedom in a plane, namely the two groups of eccentric injection heads 33 can be in matched butt joint with two injection heads at any intervals on a mold as required.

Example 4:

the eccentric injection head 33 at the front end of the T-shaped feeding mechanism 3 is of a lifting eccentric structure, and compared with the original in-house injection head, the height of the injection point of the eccentric injection head 33 of the device is the height of the upper and lower die closing joint surfaces, so that the height can be lifted, and a product can be conveniently taken out to one side of the T-shaped feeding mechanism 3 after being formed;

specifically, as shown in fig. 8, fixed mounting's mould includes mould e and lower mould f, set up between two parties when the stub bar is annotated to original injection molding machine, consequently, the binding face of original upper and lower mould die joint department is g department, after later stage equipment and manipulator cooperation formed automation line, the skeleton pole product was followed A and is put into, transversely take out to (be T shape feeding mechanism 3 one side) from B after the product shaping, this moment, if the product takes out with g department height, then can take place to interfere the collision with pay-off arm 32, consequently, the design of this equipment eccentric stub bar 33, with the high die joint lifting of g department to h department, avoided the product to interfere the collision with pay-off arm 32 promptly.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a two feed cylinder injection molding machines of planer-type T shape which characterized in that: the device mainly comprises a device base (1), a gantry type mold frame (2) and a T-shaped feeding mechanism (3), wherein the T-shaped feeding mechanism (3) is provided with two groups of same structures which are symmetrically distributed at the rear of the gantry type mold frame (2) from left to right, the gantry type mold frame (2) and the T-shaped feeding mechanism (3) are both fixedly arranged at the top of the device base (1), the gantry type mold frame (2) comprises a gantry framework (21) arranged at the top of the device base (1), an inner cavity of the gantry framework (21) is provided with a through groove for injection molding, and an upper mold base (22) and a lower mold base (23) are respectively arranged at the upper side and the lower side of the through groove;

t shape feed mechanism (3) are including the feed host computer (31) of moulding plastics, the front end of feed host computer (31) of moulding plastics is fixed and is provided with feeding arm (32), the front end of feeding arm (32) is provided with eccentric stub bar (33) of annotating, and is two sets of the bottom of feed host computer (31) of moulding plastics is passed through slide bar slider mechanism and is realized adjusting around length direction, and is two sets of the rear end of feed host computer (31) of moulding plastics keeps the certain interval and draws close side by side, and is two sets of the front end of feed host computer (31) of moulding plastics can adjust the interval around its rear end swing separately.

2. The gantry type T-shaped double-charging-barrel injection molding machine according to claim 1, characterized in that: the lower die holder (23) is fixedly installed at the bottom of a through groove of the gantry framework (21), a hydraulic cylinder (24) and a plurality of limiting sliding columns (25) are arranged at the top of the upper die holder (22), the hydraulic cylinder (24) is fixedly installed at the top of the through groove of the gantry framework (21), and the limiting sliding columns (25) are vertically and slidably connected with the top of the through groove of the gantry framework (21).

3. The gantry type T-shaped double-charging-barrel injection molding machine according to claim 2, characterized in that: and a metal exterior trim hood (26) is wrapped on the outer side of the gantry framework (21).

4. The gantry type T-shaped double-charging-barrel injection molding machine according to claim 1, characterized in that: a pair of main machine sliding seats (34) which are distributed at intervals front and back are arranged at the bottom of the injection molding feeding main machine (31), the main machine sliding seat (34) is arranged on a pair of main machine sliding rods (35) which are arranged side by side at the left and the right in a sliding way, the host sliding rod (35) is arranged on a host bottom plate (37) through a sliding rod fixing seat (36), the injection molding feeding main machine (31) can be slidably matched with the main machine sliding rod (35) through a main machine sliding seat (34) to realize front and back position adjustment, the rear end of the bottom of the host machine bottom plate (37) is rotatably mounted with a bottom plate cross rod (39) fixedly arranged on the device base (1) through a fixed rotating pin (38), the front end of the bottom of the main machine bottom plate (37) is provided with an arc-shaped sliding rail (310), the front end of the main machine bottom plate (37) is in sliding connection with the arc-shaped sliding rail (310) through a pair of positioning screws (311).

5. The gantry type T-shaped double-charging-barrel injection molding machine according to claim 4, characterized in that: an arc-shaped sliding groove (312) is formed in the arc-shaped sliding rail (310), and the circle center of the arc-shaped sliding groove (312) coincides with the central axis of the fixed rotating pin (38).

6. The gantry type T-shaped double-charging-barrel injection molding machine according to claim 1, characterized in that: the height of the front side injection molding point of the eccentric injection head (33) is flush with the height of the top surface of the feeding arm (32).

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