CN216731540U

CN216731540U - Clamping device is dismantled to screw rod

Info

Publication number: CN216731540U
Application number: CN202123390185.6U
Authority: CN
Inventors: 凌伟诚
Original assignee: Jiangmen Prc Machinery Equipment Co ltd
Current assignee: Jiangmen Prc Machinery Equipment Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-14
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a screw rod dismounting and clamping device which comprises a clamping device and an adjusting mechanism, wherein the clamping device comprises a base, a left clamping block and a right clamping block which are arranged on the base, the left clamping block and the right clamping block can move relative to each other along the transverse direction of the base, the adjusting mechanism comprises a main roller shaft seat and an auxiliary roller shaft seat which can move relative to each other along the transverse direction of the base, and a driving roller shaft and a driven roller shaft which are parallel to the axial direction are respectively arranged on the main roller shaft seat and the auxiliary roller shaft seat. The screw rod dismounting and clamping device can directly lift the screw rod from the upper part, can easily adjust the aluminum die while clamping, avoids damaging the screw rod, reduces the dismounting difficulty and greatly improves the efficiency.

Description

Screw rod dismounting and clamping device

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a screw rod dismounting and clamping device.

Background

The screw extruder is a common device in the plastic processing process, most of screws on the existing screw extruder consist of a core shaft and a thread bush sleeved on the core shaft, the thread bush can be assembled, disassembled and replaced according to actual production needs, and the actual disassembly of the thread bush on the screw in the production process is a time-consuming and labor-consuming matter.

The threaded sleeve is required to be detached, the manual knocking mode is not easy, people generally adopt the manual knocking mode when detaching the threaded sleeve for a long time, the one-way knocking mode of one hammer often causes great impact on a threaded block, the threaded sleeve is often broken by knocking, various scrapping phenomena are caused, the maintenance cost is increased, meanwhile, the manual knocking mode requires workers to perform long-time high-intensity labor, the efficiency is low, and the threaded sleeve is very inconvenient.

At present, some mechanisms are researched and developed, the equipment helps to carry out the dismantlement operation of screw rod, its dismantlement process needs fix the screw rod earlier, so need use fixture clamping screw, and the structure of these fixture existing is the annular more, wherein set up the clamping jaw and be used for pressing from both sides tight fixture clamping screw, the screw rod need pass through during the installation, this is inconvenient to the installation operation, screw rod length is very big, pass through the in-process easily because the skew produces the collision, and the screw rod need be hoisted the operation and cross fixture also very inconvenient when crossing, and need pass through the thread bush of aluminium mould parcel screw rod during the centre gripping, need rotate the adjustment simultaneously and make its screw thread hug closely, in-fact operation in-process is very difficult, need improve urgently.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the screw rod dismounting and clamping device is very convenient to hang and mount the screw rod and can adjust the aluminum die at the same time.

In order to solve the technical problem, the utility model provides a screw rod dismounting and clamping device.

The utility model provides a clamping device is dismantled to screw rod, includes clamping device and guiding mechanism, clamping device includes the base and installs left clamp splice and right clamp splice on the base, left side clamp splice with the lateral relative movement of base can be followed to the right clamp splice, guiding mechanism is including the main roller axle bed and the secondary roller axle bed that can follow the lateral relative movement of base, the main roller axle bed with the secondary roller axle bed is provided with drive roll axle and driven roller axle parallel with the axial respectively.

As a preferable scheme of the present invention, the adjusting mechanism is mounted on the base, and the main roller seat and the sub roller seat are located on the front side or the rear side of the left clamping block and the right clamping block.

As a preferable scheme of the utility model, the adjusting mechanism further comprises a seat plate and a push-pull rod, the main roller shaft seat and the auxiliary roller shaft seat are movably mounted on the seat plate, the bottom sides of the main roller shaft seat and the auxiliary roller shaft seat are respectively connected with second parallel racks along the transverse direction, second gears rotatably mounted on the seat plate are simultaneously meshed and connected between the second racks, and the push-pull rod is connected with one side of the main roller shaft seat, which is back to the driving roller shaft.

As a preferable scheme of the present invention, the push-pull rod is mounted on the seat plate through a fixed seat, the end of the push-pull rod is connected with the main roller seat, and the push-pull rod is sleeved with a buffer spring abutting against the main roller seat.

As a preferable scheme of the utility model, the seat plate is symmetrically provided with transversely extending limiting grooves, and the limiting grooves are in sliding clamping connection with the edges of two sides of the main roller shaft seat and the auxiliary roller shaft seat.

As a preferred scheme of the utility model, the clamping device further comprises two groups of clamping block hydraulic cylinders for driving the left clamping block and the right clamping block, the two groups of clamping block hydraulic cylinders are respectively installed on two sides of the base through a support, and the two groups of clamping block hydraulic cylinders are respectively connected with the left clamping block and the right clamping block.

As a preferable scheme of the utility model, two clamping block hydraulic cylinders in each group are arranged on the bracket in a vertical mode.

As a preferable scheme of the present invention, the bottom sides of the left clamping block and the right clamping block are respectively connected with parallel first racks along the transverse direction, and first gears rotatably mounted on the base are engaged and connected between the first racks.

As a preferable scheme of the present invention, the main roller seat is provided with the driving roller shaft and the driven roller shaft which are distributed up and down, and the auxiliary roller seat is provided with two driven roller shafts which are distributed up and down.

Compared with the prior art, the screw disassembling and clamping device provided by the embodiment of the utility model has the beneficial effects that: the screw rod can be directly hung from the top, the aluminum die can be easily adjusted and operated when the aluminum die is clamped, the screw rod is prevented from being damaged, the disassembling difficulty is reduced, and the efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of an assembly structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the adjusting mechanism of the present invention;

FIG. 3 is a schematic top view of the structure of FIG. 2;

FIG. 4 is a schematic view of the structure of the clamping device of the present invention;

FIG. 5 is a schematic top view of the clamping device of the present invention.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model.

In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the description of the present invention, it is to be further understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the machine or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

Referring to fig. 1 to 5, the clamping device for disassembling a screw according to an embodiment of the present invention includes a clamping device 1 and an adjusting mechanism 4, where the clamping device 1 includes a base 13 and a left clamping block 11 and a right clamping block 12 mounted on the base 13, the left clamping block 11 and the right clamping block 12 can move relatively along a transverse direction of the base 13, the adjusting mechanism 4 includes a main roller seat 41 and an auxiliary roller seat 42 that can move relatively along the transverse direction of the base 13, the main roller seat 41 and the auxiliary roller seat 42 are respectively provided with a driving roller shaft 43 and a driven roller shaft 44 parallel to an axial direction, the left clamping block 11 and the right clamping block 12 can be driven by a power cylinder and a motor-driven linkage mechanism to move relatively close to or away from each other in the transverse direction, the left clamping block 11 and the right clamping block 12 can both be slidably or rollingly connected to the base 13, and the main roller seat 41 and the auxiliary roller seat 42 can be driven by the power cylinder and the motor-driven linkage mechanism to move relatively close to or away from each other in the transverse direction, The motor is connected with the linkage mechanism to drive the clamping device to move, the driving roll shaft 43 can be driven by the transmission mechanism through the motor, the driving roll shaft 43 and the driven roll shaft 44 are positioned at the upper ends of the main roll shaft seat 41 and the auxiliary roll shaft seat 42 or on one side opposite to each other to be capable of correspondingly abutting against the screws from two sides simultaneously, when the screws between the left clamping block 11 and the right clamping block 12 of the clamping device 1 are wrapped and clamped through the aluminum die, the main roll shaft seat 41 and the auxiliary roll shaft seat 42 move opposite to each other and abut against the screws from two sides through the driving roll shaft 43 and the driven roll shaft 44 to form surface friction force, the screws are driven to rotate along with the rotation of the driving roll shaft 43, the driven roll shaft 44 capable of rotating freely rotates along with the aluminum die, the aluminum die between the screws and the left clamping block 11 and the right clamping block 12 is more matched and meshed after rotating to a certain position, and therefore the screws are prevented from slipping in the clamping device 1 in the process of disassembling the thread bushing, even the screw is damaged due to thread abrasion, so that the screw is well clamped by the left clamping block 11 and the right clamping block 12 through the aluminum die; when the screw rod is put in or moved out, the screw rod does not need to be horizontally transferred along the axial direction, so that the collision possibly caused by the left-right shaking and the left clamping block 11, the right clamping block 12, the main roller seat 41 and the auxiliary roller seat 42 during the horizontal transfer is avoided, the operation of directly lifting up and down is easier and more flexible than the operation of conveying through a closed annular structure or a hole, and only one-time lifting is needed for each operation.

Referring to fig. 1, exemplarily, the adjusting mechanism 4 is installed on the base 13, and the main roller seat 41 and the sub roller seat 42 are located at the front side or the rear side of the left clamping block 11 and the right clamping block 12, so that the adjusting mechanism 4 and the clamping device 1 are integrated, which not only enables the adjusting mechanism 4 to integrally move along with the clamping device 1 and improves the compactness of the structure, but also enables the main roller seat 41 and the sub roller seat 42 to be closer to the left clamping block 11 and the right clamping block 12, and is more convenient for adjusting the aluminum mold between the clamping blocks.

Referring to fig. 2 and 3, exemplarily, the adjusting mechanism 4 further includes a seat plate 46 and a push-pull rod 47, the main roller seat 41 and the auxiliary roller seat 42 are movably mounted on the seat plate 46, the bottom sides of the main roller seat 41 and the auxiliary roller seat 42 are respectively connected with parallel second racks 48 along the transverse direction, and a second gear 49 rotatably mounted on the seat plate 46 is simultaneously engaged and connected between the second racks 48, the push-pull rod 47 is connected with one side of the main roller seat 41 opposite to the driving roller shaft 43, the push-pull rod 47 is used for driving the main roller seat 41 to transversely move, and simultaneously, through the cooperation of the second rack 48 and the second gear 49, the auxiliary roller seat 42 automatically follows the movement when the main roller seat 41 transversely moves, thereby realizing the linkage, when the aluminum mold is adjusted, the main roller seat 41 and the auxiliary roller seat 42 simultaneously move from both sides to the screw rod and abut against the aluminum mold only by operating the push-pull rod 47, and then the aluminum die is adjusted by rotating the driving roll shaft 43, and the main roll shaft seat 41 and the auxiliary roll shaft seat 42 are dragged to be separated by the push-pull rod 47 after adjustment, so that the adjustment is very convenient.

Referring to fig. 3, exemplarily, the push-pull rod 47 is installed through the fixing base 471 on the seat plate 46, the end of the push-pull rod 47 with the main roller shaft seat 41 is connected, the push-pull rod 47 is sleeved with the butt the buffer spring 472 of the main roller shaft seat 41, when the push-pull rod 47 is pushed by hand operation, the main roller shaft seat 41 and the auxiliary roller shaft seat 42 can be driven to move relatively to the approach ground, when the driving roller shaft 43 and the driven roller shaft 44 clamp the screw rod, the return acting force received by the main roller shaft seat 41 passes through the buffer of the buffer spring 472, the damage caused by hard collision is avoided, the clamping stress is more uniform, after the adjustment is completed, the push-pull rod 47 is pulled to loosen two roller shaft seats, the operation is simple and convenient, and the mechanism is saved.

Referring to fig. 2, for example, the front and rear side edges of the seat plate 46 are symmetrically provided with laterally extending limiting grooves, the limiting grooves slidably clamp the two side edges of the main roller seat 41 and the auxiliary roller seat 42, and the limiting grooves limit the main roller seat 41 and the auxiliary roller seat 42 to move only laterally, and limit and movably fix the main roller seat 41 and the auxiliary roller seat 42.

Referring to fig. 1 and 4, exemplarily, the clamping device 1 further includes two sets of clamping block hydraulic cylinders 14 for driving the left clamping block 11 and the right clamping block 12, the two sets of clamping block hydraulic cylinders 14 are respectively installed on two sides of the base 13 through supports 17, the two sets of clamping block hydraulic cylinders 14 are respectively connected to the left clamping block 11 and the right clamping block 12, the supports 17 form vacant positions in the left clamping block 11 and the right clamping block 12 to ensure that the lifting and placing of the screw cannot be affected, the supports 17 support the clamping block hydraulic cylinders 14, and the clamping block hydraulic cylinders 14 horizontally apply force to drive the left clamping block 11 and the right clamping block 12.

Referring to fig. 1 and 4, illustratively, each set of the clamping block hydraulic cylinders 14 has two clamping blocks and is vertically arranged on the bracket 17, and the left clamping block 11 and the right clamping block 12 are respectively driven by the two clamping block hydraulic cylinders 14 one on the other at the same time, so as to uniformly realize clamping force application and make the screw rod more stable during clamping.

Referring to fig. 5, exemplarily, parallel first racks 15 are respectively connected to bottom sides of the left clamping block 11 and the right clamping block 12 along a transverse direction, first gears 16 rotatably mounted on the base 13 are simultaneously engaged and connected between the first racks 15, and the first racks 15 and the first gears 16 are used for synchronously linking the left clamping block 11 and the right clamping block 12, so as to improve the clamping accuracy.

Referring to fig. 2, for example, the driving roller shaft 43 and the driven roller shaft 44 are arranged on the main roller shaft seat 41 and distributed up and down, and the two driven roller shafts 44 are arranged on the auxiliary roller shaft seat 42 and distributed up and down, so that when the screw is adjusted, two roller shafts are arranged on both sides of the screw, the screw is naturally kept stably at the middle point between the 4 roller shafts, and the screw can be driven by the single driving roller shaft 43, which is simple in structure.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a clamping device is dismantled to screw rod which characterized in that: the clamping device comprises a base, a left clamping block and a right clamping block, the left clamping block and the right clamping block are mounted on the base, the left clamping block and the right clamping block can move transversely relative to each other along the base, the adjusting mechanism comprises a main roller shaft seat and an auxiliary roller shaft seat, the main roller shaft seat and the auxiliary roller shaft seat can move transversely relative to each other along the base, and a driving roller shaft and a driven roller shaft which are parallel to the axial direction are arranged on the main roller shaft seat and the auxiliary roller shaft seat respectively.

2. The screw rod dismounting and clamping device according to claim 1, wherein: the adjusting mechanism is installed on the base, and the main roller shaft seat and the auxiliary roller shaft seat are located on the front side or the rear side of the left clamping block and the right clamping block.

3. The screw rod dismounting and clamping device as set forth in claim 1, wherein: the adjusting mechanism further comprises a seat plate and a push-pull rod, the main roller shaft seat and the auxiliary roller shaft seat are movably installed on the seat plate, the main roller shaft seat and the bottom side of the auxiliary roller shaft seat are respectively connected with second racks which are parallel in the transverse direction, the second racks are connected between the second racks in a meshed mode simultaneously, the second racks are installed on the seat plate in a rotating mode, and the push-pull rod is connected with the main roller shaft seat back to one side of the driving roller shaft.

4. A screw removal clamping device as in claim 3 wherein: the push-pull rod is installed on the seat plate through a fixed seat, the tail end of the push-pull rod is connected with the main roller shaft seat, and the push-pull rod is sleeved with a buffer spring which is abutted to the main roller shaft seat.

5. A screw removal clamping device as claimed in claim 3, wherein: the base plate is symmetrically provided with transversely extending limiting grooves, and the limiting grooves are slidably clamped with the edges of two sides of the main roller shaft seat and the auxiliary roller shaft seat.

6. The screw rod dismounting and clamping device as set forth in claim 1, wherein: the clamping device further comprises two groups of clamping block hydraulic cylinders which are used for driving the left clamping block and the right clamping block, the two groups of clamping block hydraulic cylinders are respectively installed on two sides of the base through supports, and the two groups of clamping block hydraulic cylinders are respectively connected with the left clamping block and the right clamping block.

7. The screw rod dismounting and clamping device according to claim 6, wherein: and two clamping block hydraulic cylinders of each group are vertically arranged on the bracket.

8. The screw rod dismounting and clamping device as set forth in claim 1, wherein: the bottom sides of the left clamping block and the right clamping block are respectively connected with first racks which are parallel in the transverse direction, and first gears which are rotatably installed on the base are simultaneously meshed and connected between the first racks.

9. The screw rod dismounting and clamping device as set forth in claim 1, wherein: the main roller shaft seat is provided with the driving roller shaft and the driven roller shaft which are distributed up and down, and the auxiliary roller shaft seat is provided with two driven roller shafts which are distributed up and down.