CN216139392U

CN216139392U - Die carrier assembly

Info

Publication number: CN216139392U
Application number: CN202121572797.4U
Authority: CN
Inventors: 史中伟; 史正; 魏永明; 朱明伦
Original assignee: Hangzhou Zhongya Machinery Co Ltd
Current assignee: Hangzhou Zhongya Machinery Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-29
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a die carrier assembly which comprises supports, die carriers and a bottom die base, wherein the two die carriers are arranged on the supports, a guide rail pair for guiding the bottom die base to slide up and down is arranged between the supports and the bottom die base, a first reversing transmission pair is arranged between one of the die carriers and the bottom die base, and the bottom die base is driven to slide up and down through the first reversing transmission pair in the opening and closing processes of the two die carriers. According to the technical scheme, the bottom die base is not driven independently but acts along with the die carriers, so that the lifting speed of the bottom die base can meet the opening and closing speed of the two die carriers in the opening and closing processes of the two die carriers, interference among the bottom die base, the two die carriers and the bottom die base can be avoided, and normal opening and closing operation of the die can be guaranteed.

Description

Die carrier assembly

Technical Field

The utility model belongs to the technical field of molds, and particularly relates to a mold frame assembly.

Background

The mould used for controlling the bottle blank forming on the rotary bottle blowing machine is arranged on the mould base component, and the mould folding and the mould separation are realized through the driving action of the mould base component. The die carrier subassembly includes left die carrier, right die carrier, die holder and support, left die carrier, right die carrier, the die holder is installed on the support, the required structure of the action that opens and shuts of left die carrier and right die carrier among the prior art stretches into or breaks away from the required structure between left die carrier and the right die carrier with the die holder is mutually independent, the action that opens and shuts that leads to left die carrier and right die carrier is not unique with the corresponding relation between the die holder lift action, left die carrier and right die carrier open and shut the in-process insole die holder lift promptly and can not accord with the original intention of left die carrier and right die carrier open and shut the action, and then produce between the three and interfere, can not normally realize opening and shutting operation of mould. Once the mold is damaged, the economic losses incurred are huge and immediate.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a die carrier assembly to solve the problem that the opening and closing operation of a die cannot be normally realized due to the fact that the corresponding relation between the opening and closing action of a left die carrier and a right die carrier and the lifting action of a bottom die base is not unique.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a die carrier subassembly, includes support, die carrier, die holder, install two die carriers on the support, it is vice to be equipped with the guide rail that the guide die holder slided from top to bottom between support and the die holder, is equipped with first switching-over transmission between one of them die carrier and the die holder and is vice, slides from top to bottom through the vice drive die holder of first switching-over transmission in two die carrier open and shut processes.

Preferably, the first reversing transmission pair comprises a transmission member connected with the die holder, a transmission groove extending spirally is formed in the die holder, and the transmission member is embedded into the transmission groove and slides along the transmission groove to drive the die holder to slide up and down.

Further, the driving medium includes the transmission arm that is fixed in the die carrier, the transmission arm extends to the transmission groove to the tip and the transmission groove cooperation of transmission arm.

Furthermore, the end part of the transmission arm is provided with a first bearing, and the first bearing is in rolling fit with the transmission groove.

Preferably, the two die carriers are connected in a closed manner through a self-locking assembly, the self-locking assembly comprises a lock column and a transmission unit for driving the lock column to do linear reciprocating motion, through holes corresponding to the lock column are formed in the two die carriers, the central line of the through hole in one die carrier is coincident with the central line of the lock column, the central line of the through hole in the other die carrier is parallel to the central line of the lock column, the two die carriers are connected in a closed manner by inserting the lock column into the through holes of the two die carriers simultaneously,

the transmission unit comprises a transmission rod, a connecting rod, a return spring, a connecting frame and a swing arm, the transmission rod is movably arranged on a die carrier connected with the first reversing transmission pair in a sliding mode, the sliding direction of the transmission rod on the die carrier is perpendicular to the opening and closing direction between the two die carriers, one end of the transmission rod protrudes out of the top of the die carrier, a flange is arranged at the end of the transmission rod, the return spring is arranged on the transmission rod in a compression state, one end of the return spring is connected with the flange, the other end of the return spring is connected with the die carriers, the other end of the transmission rod protrudes out of the bottom of the die carrier and is fixedly connected with the connecting frame,

the swing arm is movably mounted on a die carrier connected with the first reversing transmission pair in a swinging mode, one end of the swing arm is provided with a stress part, the swing arm is provided with a cam, a second bearing in butt joint with the cam is mounted on the connecting frame, the swing arm is connected with the second bearing through the cam to be movably connected with the connecting frame, and the swing arm drives the lock column to move linearly after swinging.

Further, the transmission unit still includes the fixing base, the fixing base is the tubular structure, the one end fixed mounting of fixing base is on the die carrier, the other end of fixing base passes through bearing and swing arm swing joint, be equipped with the spout on the fixing base, only distribute in the fixing base and have a lock post, the connecting rod passes the spout.

Furthermore, the fixing seat is provided with a limiting column, the swing arm is provided with a limiting hole, and the limiting column is inserted into the limiting hole to limit the swing angle of the swing arm.

The technical scheme adopted by the utility model has the following beneficial effects:

1. through the vice effect of first switching-over transmission between one of them die carrier and the die holder, convert the rotation of die carrier into the up-and-down motion of die holder, moreover, because the die holder is not the individual drive, but follows the die carrier action, consequently, at two die carrier in-process that opens and shuts, the lifting speed of die holder can accord with the speed that two die carriers opened and shut the action, can avoid producing the interference between the three, guarantees to realize the normal operation that opens and shuts of mould.

2. The transmission piece slides along the transmission groove to drive the bottom die holder to slide up and down, so that the opening and closing movement of the two die holders can be converted into the up-and-down movement of the bottom die holder in a labor-saving manner, and the lifting speed of the bottom die holder can be ensured to meet the opening and closing movement speed of the two die holders.

3. The driving medium includes the first bearing that sets up to the drive arm that the drive groove extends and the tip of drive arm, and the drive groove roll can be followed to first bearing, reduces the frictional force among the transmission process, realizes smooth and easy transmission.

4. When the two die frames are closed, the lock columns are simultaneously inserted into the through holes corresponding to the two die frames to realize closed connection, so that reliable closure is kept; the lock columns are connected with the transmission rod through the connecting rod, so that the plurality of lock columns are driven to synchronously move up and down through one transmission rod; by connecting the return spring, the transmission rod has the tendency of driving the lock column to be separated from the locking state, and when the lock is required to be locked, external force is applied to drive the transmission rod to drive the lock column to realize locking; in order to overcome the acting force of the return spring, the cam is connected with the second bearing to realize the movable connection with the connecting frame, and the swing arm drives the lock column to do linear motion after swinging, so that the swinging of the swing arm can be converted into the downward movement of the connecting frame, the transmission rod and the lock column in a labor-saving manner.

5. The fixing seat is arranged into a tubular structure corresponding to the through hole, and the lock cylinder correspondingly connected with the fixing seat can be contracted in the fixing seat from the through hole in an unlocking state.

6. The swing angle of the swing arm is limited by matching the limiting column with the limiting hole, so that the swing angle meets the maximum up-and-down movement stroke of the lock column.

The following detailed description of the present invention will be provided in conjunction with the accompanying drawings.

Drawings

The utility model is further described with reference to the accompanying drawings and the detailed description below:

FIG. 1 is a first schematic structural view of a formwork assembly of the present invention;

FIG. 2 is a second schematic structural view of the formwork assembly of the present invention;

FIG. 3 is a first schematic view of a matching structure of a swing arm and a connecting frame;

FIG. 4 is a second schematic view of a matching structure of the swing arm and the connecting frame;

in the figure: 10-bracket, 101-rotating shaft, 11-left die carrier, 111-left connecting bulge, 112-through hole, 12-right die carrier, 121-right connecting bulge, 13-bottom die holder, 131-transmission groove, 132-guide rail pair, 14-transmission arm, 141-first bearing, 142-upper horizontal extension part, 143-upper vertical extension part, 144-lower horizontal extension part, 145-lower vertical extension part, 146-transmission head, 15-lock column, 16-transmission rod, 161-connecting rod, 162-flange, 163-reset spring, 17-fixed seat, 171-pipeline, 172-convex ring, 173-sliding groove, 174-side extension part, 18-connecting frame, 181-second bearing, 19-swing arm and 191-limiting hole, 192-cam, 1921-cam curve, 193-force bearing part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Words such as "upper," "lower," "front," "rear," "left," "right," and the like, which indicate orientation or positional relationship, are based only on the orientation or positional relationship shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or 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 expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 4, a mold base assembly includes a support 10, a bottom mold base 13, and mold bases, two mold bases are rotatably installed on the support 10, a guide rail pair 132 for guiding the bottom mold base 13 to slide up and down is disposed between the support 10 and the bottom mold base 13, a first reversing transmission pair is disposed between one mold base and the bottom mold base 13, and the bottom mold base 13 is driven to slide up and down by the first reversing transmission pair in the opening and closing process of the two mold bases.

Example one

In the example shown in fig. 1, the two die carriers correspond to a left die carrier 11 and a right die carrier 12, and in the present embodiment, a first reversing transmission pair is provided between the right die carrier 12 and a bottom die base 13.

Because the bottom die holder 13 is not driven independently, but moves along with the right die holder 12, in the opening and closing process of the left die holder 11 and the right die holder 12, the lifting speed of the bottom die holder 13 can meet the opening and closing speed of the left die holder 11 and the right die holder 12, so that interference among the left die holder 11 and the right die holder 12 can be avoided, and normal opening and closing operation of the die can be guaranteed.

As an embodiment, the first reversing transmission pair includes a transmission member connected to the die carrier, a spirally extending transmission groove 131 is provided on the base mold 13, and the transmission member is embedded in the transmission groove 131 and slides along the transmission groove 131 to drive the base mold 13 to slide up and down. Specifically, the transmission member includes a transmission arm 14, the transmission arm 14 is fixed on the right mold frame 12, the transmission arm 14 extends to the transmission groove 131, and an end of the transmission arm 14 is matched with the transmission groove 131. Therefore, the opening and closing movement of the left mold frame 11 and the right mold frame 12 can be converted into the up-and-down movement of the base mold frame 13 with less effort.

Further, the transmission arm 14 includes an upper vertical extension 143, an upper horizontal extension 142 horizontally extending from a top end of the upper vertical extension 143 to a lateral side, and a lower horizontal extension 144 horizontally extending from a bottom end of the upper vertical extension 143 to the lateral side. Since the upper horizontal extension 142 and the lower horizontal extension 144 extend in the same direction, a U-shaped space is defined between the upper horizontal extension 142 and the upper vertical extension 143.

Further, the driving arm 14 further includes a lower vertical extending portion 145 vertically extending downward from a side of the lower horizontal extending portion 144, and a driving head 146 extending toward the driving groove 131 is disposed at a bottom end of the lower vertical extending portion 145.

In order to reduce the friction force of the first reversing transmission pair and realize smooth transmission, in the embodiment, a first bearing 141 is arranged at the end of the transmission arm 14, namely, at the transmission head 146, and the first bearing 141 is in rolling fit with the transmission groove 131. It will be appreciated that the first bearing may not be provided and the drive head 146 may be directly slidably engaged with the drive slot 131, although the first bearing may be replaced by a rotatable bushing.

In order to realize the self-locking of the left die carrier 11 and the right die carrier 12 in a closed state, the two die carriers are connected in a closed manner through a self-locking assembly. The self-locking assembly comprises a lock column 15 and a transmission unit for driving the lock column to do linear reciprocating motion, two mold bases are provided with through holes corresponding to the lock column 15, the central line of the through hole in one mold base coincides with the central line of the lock column 15, the central line of the through hole in the other mold base is parallel to the central line of the lock column 15, and the through holes of the two mold bases are inserted into the lock column 15 simultaneously to achieve closed connection. In this embodiment, the center line of the through hole on the right mold frame 12 coincides with the center line of the lock cylinder 15, and the center line of the through hole on the left mold frame 11 is parallel to the center line of the lock cylinder 15. Specifically, the right side closed end of left side die carrier 11 is equipped with convex left side and connects protruding 111, the left side closed end of right side die carrier 12 is equipped with convex right side and connects protruding 121, all is equipped with through-hole 112 on left side connection arch 111, the right side connection arch 121 to left side connection arch 111 and right side connection arch 121 stagger from top to bottom along the direction of height, under left die carrier 11 and right die carrier 12 closed state, all left side connection arch 111 and the right side connect the through-hole on protruding 121 and all adjust well to connect through lock post 15.

Because the mold frame has a certain height, the left connecting protrusion 111 and the right connecting protrusion 121 are distributed at intervals along the height direction and are at least provided in two numbers. Taking fig. 1 and 2 as an example, three left connecting protrusions 111 and three right connecting protrusions 121 are provided, and after the left mold frame 11 and the right mold frame 12 are closed, one right connecting protrusion at the bottommost is positioned below the left connecting protrusion at the bottommost. Wherein, the upper horizontal extension part 142 is fixed with the upper surface of the bottommost right connecting protrusion, and the lower horizontal extension part 144 is positioned below the bottommost right connecting protrusion with a larger distance therebetween.

In one embodiment, the transmission unit includes a transmission rod 16, a connecting rod 161, a return spring 163, a connecting frame 18, and a swing arm 19. The lock column 15 is connected with a transmission rod 16 through a connecting rod 161, the transmission rod 16 is vertically and movably installed on the right die carrier 12, and the sliding direction of the transmission rod 16 on the die carriers is perpendicular to the opening and closing direction between the two die carriers. Specifically, because three left connecting protrusions 111 and three right connecting protrusions 121 are provided, three lock cylinders 15 and three connecting rods 161 are correspondingly provided, the center line of the lock cylinder 15 is parallel to the center line of the transmission rod 16, and the lock cylinders 15 and the transmission rod 16 are fixedly connected through the connecting rods 161, so that one transmission rod 16 can simultaneously drive all the lock cylinders 15 to move up and down. When the left mold frame 11 and the right mold frame 12 have the corresponding left connecting protrusion 111 and the right connecting protrusion 121 aligned and staggered, the same lock post 15 is inserted into the two corresponding through holes to lock the corresponding left connecting protrusion 111 and the right connecting protrusion 121.

In order to maintain the self-locking state, a return spring 163 is provided, a flange 162 is provided at the top end of the transmission rod 16, the top end of the return spring 163 abuts against the flange 162, and the bottom end abuts against the upper surface of the uppermost right connecting protrusion of the right mold frame 12. The drive rod 16 is thus given a tendency to move vertically upwards by the return spring 163. In this embodiment, since the lock cylinder 15, the transmission rod 16, the connecting rod 161 and the return spring 163 are disposed on the right mold frame 12, and the corresponding right connecting protrusion 121 is lower than the left connecting protrusion 111, when the transmission rod 16 moves vertically upward, the lock cylinder 15 extends upward from the through hole of the right connecting protrusion 121, and is inserted into the through hole of the left connecting protrusion 111, thereby realizing self-locking.

In order to release the self-locking state, a swing arm 19 and a connecting frame 18 are further arranged, the swing arm 19 is movably mounted on the right die frame 12 in a swing mode, the connecting frame 18 is connected with the transmission rod 16, a second reversing transmission pair is arranged between the swing arm 19 and the connecting frame 18, the connecting frame 18 is driven to move downwards through the second reversing transmission pair in the swing process of the swing arm 19, the connecting frame 18 drives the transmission rod 16, the connecting rod 161 and the lock column 15 to move downwards, and the lock column 15 can be unlocked after being separated from the upper through hole of the upper left connecting protrusion.

It will be understood by those skilled in the art that a single power source may be provided to drive the transmission rod 16 to move up and down for self-locking and unlocking, thus eliminating the need for the return spring 163, the swing arm 19 and the connecting bracket 18. Alternatively, the drive rod 16 can be pulled manually downward to unlock the drive rod, and a lock can be further provided to lock the position of the drive rod in the unlocked state.

In one embodiment, the second reversing gear pair uses the cooperation of the cam 192 and the second bearing 181. The connecting frame 18 is provided with a second bearing 181, and the bottom of the swing arm 19 is provided with a cam 192. The swing arm 19 is connected with the second bearing 181 through a cam 192 to realize the movable connection with the connecting frame 18, and drives the lock cylinder 15 to do linear motion after the swing arm 19 swings. Specifically, the bottom of the cam 192 is provided with a cam curved surface 1921, the second bearing 181 is located below the cam curved surface 1921, and when the swing arm 19 swings, the second bearing 181 and the cam curved surface 1921 cooperate to drive the connecting frame 18 and the transmission rod 16 to move downward together. The bottom end of the transmission rod 16 penetrates through the right connecting bulge at the bottommost part downwards, the connecting frame 18 is L-shaped and comprises an upper horizontal section and a lower vertical section, the upper horizontal section is connected with the bottom end of the transmission rod 16, and the side face of the bottom of the lower vertical section is connected with the second bearing 181. And the second bearing 181 and the cam 192 are located inside the lower half part of the U-shaped space of the driving arm 14, so that a compact spatial layout is formed at the bottom part of the right die carrier 12, and a partial part passes through the lower half part of the U-shaped space during the swing of the swing arm 19 without interference. In addition, one end of the swing arm 19 is provided with a force receiving portion 193 so as to be driven to swing by external force.

Further, the transmission unit further comprises a fixed seat 17, one end of the fixed seat is fixedly installed on the die carrier, the other end of the fixed seat 17 is movably connected with a swing arm 19 through a bearing, and only one locking column 15 is distributed in the fixed seat 17. In this embodiment, the right mold frame 12 is connected to the fixing seat 17 below the right connecting protrusion at the bottom, the fixing seat 17 is in a tubular structure, the fixing seat 17 is provided with a pipeline 171 corresponding to the through hole 112, and a lock cylinder at the bottom is embedded in the pipeline 171 and moves in a translational manner along the central line of the pipeline 171, so that the lock cylinder can move in a telescopic manner on the fixing seat 17. And a swing arm 19 is rotatably connected below the fixed seat 17.

Taking fig. 1 and 2 as an example, a convex ring 172 is disposed in the middle of the pipeline 171 on the fixing seat 17, the upper portion of the convex ring 172 is inserted into the through hole of the right connecting protrusion, and fixing screws are distributed on the convex ring 172 and fixed with the right connecting protrusion at the bottom. In addition, the fixed seat 17 is provided with a sliding groove 173 for the connecting rod 161 to pass through and move up and down, and the sliding groove 173 is communicated with the pipeline 171.

Since the lock cylinder 15 has a limited downward stroke, the overall height of the cam curved surface 1921 does not need to be too high, and therefore, the swing angle of the swing arm 19 can be limited. Specifically, be equipped with spacing post on the fixing base 17, be equipped with spacing hole 191 on the swing arm 19, spacing post inserts in order to restrict the 19 swing angles of swing arm in spacing hole 191, and it can to make the 19 swing angles of swing arm satisfy the lock cylinder maximum up-and-down motion stroke. Wherein, the side of the fixing base 17 is provided with a side extension 174, and the limit post extends downwards from the bottom of the side extension. Of course, one skilled in the art will appreciate that the locations of the restraint posts and the restraint holes may be interchanged.

It can be understood by those skilled in the art that the above-mentioned first reversing transmission pair and second reversing transmission pair both convert rotation into up-and-down linear motion, and similar transmission pairs in the prior art can be replaced, and are not described herein again.

The first bearing 141 and the second bearing 181 are both common rolling bearings, such as deep groove ball bearings, but may be replaced by other bearings or similar rolling bodies or rolling bodies.

In this embodiment, a rotating shaft 101 is provided on the support 10, the left and right mold frames 11 and 12 are hinged to the rotating shaft 101, the hinged sides of the left and right mold frames are provided with convex protrusions, the protrusions are provided with rotating shaft holes, the protrusions on the left and right mold frames 11 and 12 are staggered up and down, and the centers of the rotating shaft holes are aligned and connected with the rotating shaft 101.

As an implementation mode, the guide rail pair comprises a T-shaped guide rail groove on the support, and a T-shaped sliding block matched with the T-shaped guide rail groove on the bottom die base. Alternatively, the guide rail pair may be configured in another conventional form such as a dovetail guide.

While the utility model has been described with reference to specific embodiments, it will be understood by those skilled in the art that the utility model is not limited thereto, and may be embodied in other forms without departing from the spirit or essential characteristics thereof. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a die carrier subassembly, includes support, die carrier, die block seat, install two die carriers on the support, its characterized in that: and a guide rail pair for guiding the bottom die base to slide up and down is arranged between the support and the bottom die base, a first reversing transmission pair is arranged between one of the die bases, and the bottom die base is driven to slide up and down through the first reversing transmission pair in the opening and closing processes of the two die bases.

2. The formwork assembly defined in claim 1, wherein: the first reversing transmission pair comprises a transmission piece connected with the die carrier, a spirally extending transmission groove is formed in the die holder, and the transmission piece is embedded into the transmission groove and slides along the transmission groove to drive the die holder to slide up and down.

3. The formwork assembly defined in claim 2, wherein: the driving medium is including being fixed in the transmission arm of die carrier, the transmission arm extends to the transmission groove to the tip and the transmission groove cooperation of transmission arm.

4. A formwork assembly as claimed in claim 3, wherein: the end part of the transmission arm is provided with a first bearing, and the first bearing is in rolling fit with the transmission groove.

5. The formwork assembly defined in claim 1, wherein: the two die carriers are connected in a closed manner through a self-locking assembly, the self-locking assembly comprises a lock column and a transmission unit for driving the lock column to do linear reciprocating motion, through holes corresponding to the lock column are formed in the two die carriers, the central line of the through hole in one die carrier is coincident with the central line of the lock column, the central line of the through hole in the other die carrier is parallel to the central line of the lock column, the two die carriers are connected in a closed manner by inserting the lock column into the through holes of the two die carriers simultaneously,

6. The formwork assembly defined in claim 5, wherein: the transmission unit further comprises a fixed seat, the fixed seat is of a tubular structure, one end of the fixed seat is fixedly installed on the die carrier, the other end of the fixed seat is movably connected with the swing arm through a bearing, a sliding groove is formed in the fixed seat, only one locking column is distributed in the fixed seat, and the connecting rod penetrates through the sliding groove.

7. The formwork assembly defined in claim 6, wherein: the fixing seat is provided with a limiting column, the swing arm is provided with a limiting hole, and the limiting column is inserted into the limiting hole to limit the swing angle of the swing arm.