CN214266420U

CN214266420U - Injection molding machine frame

Info

Publication number: CN214266420U
Application number: CN202022559723.9U
Authority: CN
Inventors: 张国良; 王奇杰; 徐翀
Original assignee: Ningbo Kesiman Machinery Technology Co ltd
Current assignee: Ningbo Kesiman Machinery Technology Co ltd
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-09-24
Anticipated expiration: 2030-11-07

Abstract

An injection molding machine frame, includes injection frame and compound die frame, injection frame is used for supplying the injection unit to install on it, compound die frame is used for supplying the compound die unit to install on it, its characterized in that: the injection molding machine further comprises a connecting frame positioned between the injection frame and the mold closing frame, and the injection frame and the mold closing frame are connected through the connecting frame. The utility model relates to an injection molding machine frame not only can reduce the manufacturing of the longer injection frame of size, the assembly degree of difficulty, moreover, application scope is wider.

Description

Injection molding machine frame

Technical Field

The utility model relates to an injection molding machine technical field specifically is an injection molding machine frame.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The injection device and the mold closing device are the most important components in the injection molding machine, the injection device can heat and plasticize a certain amount of plastic in a specified time, then inject the molten plastic into a mold cavity through a screw at a certain pressure and speed, and after the injection is finished, the molten material injected into the mold cavity is kept to be shaped; the mold closing device can ensure that the mold is closed, opened and ejected out of a product, and after the mold is closed, sufficient mold locking force is supplied to the mold to resist the mold cavity pressure generated when molten plastic enters the mold cavity, so that the bad situation of the product caused by the opening of the mold is prevented.

The injection molding machine has three types, i.e., a horizontal type, a vertical type and an angle type, in which the horizontal type is the most common type, in the configuration of an injection device and a mold clamping device. At present, an injection device in a horizontal injection molding machine is mounted on an injection frame, a mold closing device is mounted on a mold closing frame, and then the injection frame and the mold closing frame are spliced and the injection device is connected with the mold closing device, so that the center line of the injection device and the center line of the mold closing device are concentric or consistent and are parallel to a mounting ground. The mode that above-mentioned horizontal injection molding machine injection frame and compound die frame two sections concatenations has the wholeness good, the few characteristics of assembly process, however, to the longer injection frame of size, receives the specification of section bar, not only makes the manufacturing assembly degree of difficulty of injection frame great, moreover, when injection platform specification changes, because the size of frame is fixed, can only come the adaptation new injection platform through changing the injection frame, causes manufacturing cost to increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to foretell technical current situation and provide an injection molding machine frame, not only can reduce the manufacturing of the longer injection frame of size, the assembly degree of difficulty, moreover, application scope is wider.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an injection molding machine frame, includes injection frame and compound die frame, injection frame is used for supplying the injection unit to install on it, compound die frame is used for supplying the compound die unit to install on it, its characterized in that: the injection molding machine further comprises a connecting frame positioned between the injection frame and the mold closing frame, and the injection frame and the mold closing frame are connected through the connecting frame.

In order to facilitate the assembly of the injection frame, the mold closing frame and the connecting frame, the injection molding machine further comprises an auxiliary positioning structure used for enabling the center line of the injection device and the center line of the mold closing device to correspond.

In a further design, the auxiliary positioning structure comprises a first connecting block and a second connecting block which are respectively arranged at two ends of the connecting frame, a third connecting block arranged at one end of the injection frame and a fourth connecting block arranged at one end of the die assembly frame, wherein the third connecting block is consistent with the first connecting block in shape, the end face of the third connecting block is attached to the end face of the first connecting block, the fourth connecting block is consistent with the second connecting block in shape, and the end face of the fourth connecting block is attached to the end face of the second connecting block. During assembly, the first connecting block is aligned with the third connecting block, the second connecting block is aligned with the fourth connecting block, the end face of the first connecting block is attached to the end face of the third connecting block, the end face of the second connecting block is attached to the end face of the fourth connecting block, the injection rack can be aligned with the mold closing rack, auxiliary positioning of the injection rack and the mold closing rack is achieved, and therefore the center line of an injection device installed on the injection rack corresponds to the center line of a mold closing device installed on the mold closing rack.

In order to enable the connection frame to be connected with the injection frame and the mold closing frame more firmly, at least two first connecting blocks are arranged at one end of the connection frame at intervals, and correspondingly, at least two third connecting blocks are arranged and correspond to the first connecting blocks; the second connecting block has at least two, and the interval is located the other end of link, correspondingly, the fourth connecting block has at least two, and with the second connecting block corresponds the setting.

In a further design, the first connecting block and the third connecting block and/or the second connecting block and the fourth connecting block are fixedly connected through a fastener. Because the injection molding machine has higher requirement on the displacement precision of the injection part and the mold closing part, the relative positions of the injection rack and the mold closing rack are required to be fixed in the using process of the injection molding machine, the connection of the connecting frame with the injection rack and the mold closing rack is realized through the fastening piece, the relative displacement between the injection rack and the mold closing rack can be effectively avoided, and the requirement of the injection molding machine on the precision is met.

In order to make the link more firm when the quality is lighter, the link includes the frame body portion and locates supporting part in the frame body portion, the frame body portion is the rectangle, the supporting part is the cross. The connecting frame is partially hollowed out through the design of the frame body part and the cross-shaped supporting part, so that the raw material consumption of the connecting frame can be reduced, the raw material cost is saved, and the connecting frame is lighter; the design of supporting part makes the link more firm, and non-deformable can connect injection frame and compound die frame steadily in the injection molding machine use.

The die assembly machine frame is further designed to be sequentially provided with a fixed die plate, a movable die plate and a tail plate, the movable die plate and the tail plate can slide in a reciprocating mode relative to the fixed die plate, the tail plate is provided with a convex rib, the die assembly machine frame is provided with a slot for inserting the convex rib, and the slot is provided with openings along the end portions of two ends of the movable die plate in the reciprocating sliding direction. The constraint structure of the convex rib and the slot is arranged between the tail plate and the die closing rack, so that the brake template and the tail plate can generate vertical displacement relative to the rack when the whole machine of the injection molding machine is hoisted, when a customer receives the die closing device, because the slot is provided with openings along the end parts of the two ends of the movable template in the reciprocating sliding direction, the movable template can slide in a reciprocating manner relative to the fixed template without causing the damage of the injection molding machine, the injection molding machine can be normally used without dismantling the constraint structure of the convex rib and the slot, and the injection molding machine is more convenient to use.

Because the mold closing rack is usually large in size and specification, the convex rib is arranged at the bottom of the tail plate for processing the slot conveniently, a connecting piece corresponding to the tail plate is fixed on the mold closing rack, and the slot is formed on the connecting piece.

In order to enable the two sides of the die closing frame and the constraint action of the die closing frame to be more balanced when the die closing device is hoisted, the number of the connecting pieces is two, the connecting pieces are symmetrically distributed on the two sides of the die closing frame, and correspondingly, the number of the convex ribs is two, and the convex ribs are symmetrically distributed on the tail plate.

Further, in the reciprocating sliding direction of the movable template, the length of the convex rib is greater than that of the slot, and the length difference between the convex rib and the slot is greater than the maximum distance between the movable template and the fixed template. By the design, the convex ribs can be always constrained in the slots when the movable template slides to and fro relative to the fixed template, and the sliding of the movable template can be guided. Compared with the prior art, the utility model has the advantages of: the connecting assembly of the injection frame and the die closing frame is realized through the connecting frame arranged between the injection frame and the die closing frame, the size of the injection frame can be effectively shortened, the injection frame is convenient to manufacture and assemble, the injection platform can be adapted to different sizes and specifications through replacing the proper connecting frame, the higher injection frame in replacement cost is not needed, and the application range of the frame is wider.

Drawings

FIG. 1 is a perspective view of an injection frame, a mold clamping frame and a connecting frame according to an embodiment of the present invention;

FIG. 2 is a partially exploded view of FIG. 1;

fig. 3 is a schematic structural view of the mold closing frame, the fixed mold plate, the movable mold plate and the tail plate in the embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is an enlarged view at B in fig. 4.

Wherein the reference numerals in the above figures are:

1. an injection rack; 11. a third connecting block; 2. a mold closing rack; 21. a fourth connecting block; 22. a cavity; 3. a connecting frame; 31. a first connection block; 32. a second connecting block; 33. a frame body portion; 34. a support portion; 4. fixing a template; 5. moving the template; 6. a tail plate; 61. a rib is protruded; 7. a connecting member; 71. and (4) a slot.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1-2, the injection molding machine frame in the present embodiment includes an injection frame 1, a mold clamping frame 2, and a connecting frame 3, the injection frame 1 is used for mounting an injection device thereon, the mold clamping frame 2 is used for mounting a mold clamping device thereon, the connecting frame 3 is located between the injection frame 1 and the mold clamping frame 2, and the injection frame 1 and the mold clamping frame 2 are connected by the connecting frame 3.

In this embodiment, realize the connection equipment of injection frame 1 and compound die frame 2 through the link 3 that sets up between injection frame 1 and compound die frame 2, not only can effectively shorten the size of injection frame 1, the manufacturing and the assembly of the injection frame 1 of being convenient for can also be through changing suitable link 3 so that the frame adapts to the injection platform of different dimensions, need not the higher injection frame of replacement cost, makes the application scope of frame wider.

In order to facilitate the assembly of the injection frame 1, the mold clamping frame 2 and the connecting frame 3, the injection molding machine further comprises an auxiliary positioning structure for enabling the center line of the injection device and the center line of the mold clamping device to correspond to each other. As shown in fig. 1-2, the auxiliary positioning structure includes a first connecting block 31 and a second connecting block 32 respectively disposed at two ends of the connecting frame 3, a third connecting block 11 disposed at one end of the injection frame 1, and a fourth connecting block 21 disposed at one end of the mold clamping frame 2, the third connecting block 11 is identical to the first connecting block 31 in shape, an end surface of the third connecting block 11 is attached to an end surface of the first connecting block 31, the fourth connecting block 21 is identical to the second connecting block 32 in shape, and an end surface of the fourth connecting block 21 is attached to an end surface of the second connecting block 32. During assembly, the first connecting block 31 is aligned with the third connecting block 11, the second connecting block 32 is aligned with the fourth connecting block 21, the end face of the first connecting block 31 is attached to the end face of the third connecting block 11, and the end face of the second connecting block 32 is attached to the end face of the fourth connecting block 21, so that the injection frame 1 and the mold clamping frame 2 can be aligned to achieve auxiliary positioning of the injection frame 1 and the mold clamping frame 2, thereby ensuring that the center line of an injection device (not shown) mounted on the injection frame 1 corresponds to the center line of a mold clamping device (not shown) mounted on the mold clamping frame 2.

In this embodiment, as shown in fig. 1-2, there are two first connecting blocks 31, and the first connecting blocks are disposed at an end of the connecting frame 3 at intervals, and correspondingly, there are two third connecting blocks 11, and the third connecting blocks are disposed corresponding to the first connecting blocks 31; the second connecting blocks 32 are two, and are spaced apart from each other at the other end of the connecting frame 3, and correspondingly, the fourth connecting blocks 21 are two and are disposed corresponding to the second connecting blocks 32.

In order to make the connection frame 3 more firmly connected with the injection frame 1 and the mold clamping frame 2, the first connecting block 31 and the third connecting block 11, and the second connecting block 32 and the fourth connecting block 21 are fixedly connected through fasteners such as screws.

As shown in fig. 1-2, the connecting frame 3 includes a frame portion 33 and a supporting portion 34 disposed in the frame portion 33, the frame portion 33 is rectangular, the supporting portion 34 is cross-shaped, and the supporting portion 34 is connected to the middle of each rectangular side of the frame portion 33, so that the connecting frame 3 is partially hollow, the raw material consumption of the connecting frame 3 can be reduced, the raw material cost can be saved, and the connecting frame 3 is lighter; the design of the supporting part 34 makes the connecting frame 3 more stable and not easy to deform, and can stably connect the injection machine frame 1 and the mold closing machine frame 2 in the using process of the injection molding machine.

As shown in fig. 3, a fixed platen 4, a movable platen 5, and a tail plate 6 are sequentially mounted on the mold clamping frame 2, and the movable platen 5 and the tail plate 6 can slide back and forth relative to the fixed platen 4. As shown in fig. 5, the tail plate 6 is provided with a convex rib 61, the mold closing frame 2 is provided with a slot 71 for inserting the convex rib 61, and the brake template 5 and the tail plate 6 can generate vertical displacement relative to the mold closing frame 2 when the whole injection molding machine is hoisted; the slot 71 is provided with openings at the two ends in the reciprocating sliding direction of the movable template 5, so that the movable template 5 can slide in a reciprocating manner relative to the fixed template 4 without causing damage to the injection molding machine, the injection molding machine can be normally used without dismantling the constraint structures of the convex ribs 61 and the slot 71, and the injection molding machine is more convenient to use.

Specifically, as shown in fig. 5, since the mold clamping frame 2 is generally large in size, the rib 61 is provided at the bottom of the tail plate 6 to facilitate processing of the insertion groove 71, the connecting member 7 corresponding to the tail plate 6 is fixed to the mold clamping frame 2, and the insertion groove 71 is formed in the connecting member 7. In order to balance the constraint action between the two sides of the mold closing frame and the mold closing frame 2 when the mold closing device is lifted, as shown in fig. 4, two connecting pieces 7 are arranged and symmetrically distributed on the two sides of the mold closing frame 2, and correspondingly, two convex ribs 61 are arranged and symmetrically distributed on the tail plate 6.

In the reciprocating sliding direction of the movable mould plate 5, the length of the convex rib 61 is larger than that of the slot 71, and the length difference between the convex rib 61 and the slot 71 is larger than the maximum distance between the movable mould plate 5 and the fixed mould plate 4. Therefore, the rib 61 can be always restrained in the slot 71 when the movable die plate 5 slides back and forth relative to the fixed die plate 4, and the sliding of the movable die plate 5 can be guided.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description of the present invention and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Claims

1. An injection molding machine frame, includes injection frame (1) and compound die frame (2), injection frame (1) is used for supplying injection apparatus to install on it, compound die frame (2) are used for supplying compound die apparatus to install on it, its characterized in that: the injection mold clamping device is characterized by further comprising a connecting frame (3) located between the injection frame (1) and the mold clamping frame (2), and the injection frame (1) and the mold clamping frame (2) are connected through the connecting frame (3).

2. The injection molding machine frame of claim 1, wherein: the mold clamping device further comprises an auxiliary positioning structure used for enabling the center line of the injection device and the center line of the mold clamping device to correspond.

3. The injection molding machine frame of claim 2, wherein: the auxiliary positioning structure comprises a first connecting block (31) and a second connecting block (32) which are arranged at two ends of a connecting frame (3) respectively, a third connecting block (11) arranged at one end of an injection frame (1) and a fourth connecting block (21) arranged at one end of a die assembly frame (2), wherein the third connecting block (11) is consistent with the first connecting block (31) in shape, the end face of the third connecting block (11) is attached to the end face of the first connecting block (31), the fourth connecting block (21) is consistent with the second connecting block (32) in shape, and the end face of the fourth connecting block (21) is attached to the end face of the second connecting block (32).

4. The injection molding machine frame of claim 3, wherein: at least two first connecting blocks (31) are arranged at one end of the connecting frame (3) at intervals, and correspondingly, at least two third connecting blocks (11) are arranged corresponding to the first connecting blocks (31); the second connecting blocks (32) are at least two and are arranged at the other end of the connecting frame (3) at intervals, and correspondingly, the fourth connecting blocks (21) are at least two and are arranged corresponding to the second connecting blocks (32).

5. The injection molding machine frame of claim 3, wherein: the first connecting block (31) is fixedly connected with the third connecting block (11) and/or the second connecting block (32) is fixedly connected with the fourth connecting block (21) through a fastener.

6. An injection molding machine frame as claimed in claim 1, 2, 3, 4 or 5, wherein: the connecting frame (3) comprises a frame body part (33) and a supporting part (34) arranged in the frame body part (33), the frame body part (33) is rectangular, and the supporting part (34) is cross-shaped.

7. An injection molding machine frame as claimed in claim 1, 2, 3, 4 or 5, wherein: install fixed die plate (4), movable mould board (5) and tailboard (6) in proper order on compound die frame (2), just movable mould board (5) and tailboard (6) can be relative fixed die plate (4) reciprocal slide, be equipped with protruding muscle (61) on tailboard (6), be equipped with the confession on compound die frame (2) protruding muscle (61) male slot (71), just slot (71) are followed both ends tip in the reciprocal direction of sliding of movable mould board (5) all has the opening.

8. The injection molding machine frame of claim 7, wherein: the convex rib (61) is arranged at the bottom of the tail plate (6), a connecting piece (7) corresponding to the tail plate (6) is fixed on the die assembly rack (2), and the slot (71) is formed in the connecting piece (7).

9. The injection molding machine frame of claim 8, wherein: the number of the connecting pieces (7) is two, and the connecting pieces are symmetrically distributed on two sides of the die assembly rack (2), and correspondingly, the number of the convex ribs (61) is two, and the convex ribs are symmetrically distributed on the tail plate (6).

10. The injection molding machine frame of claim 7, wherein: in the reciprocating sliding direction of the movable template (5), the length of the convex rib (61) is greater than that of the slot (71), and the length difference between the convex rib (61) and the slot (71) is greater than the maximum distance between the movable template (5) and the fixed template (4).