CN214518941U

CN214518941U - Pressing mechanism

Info

Publication number: CN214518941U
Application number: CN202120517344.5U
Authority: CN
Inventors: 王海; 徐志龙
Original assignee: Suzhou Industrial Park Mette Automation Technology Co ltd
Current assignee: Suzhou Industrial Park Mette Automation Technology Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-10-29
Anticipated expiration: 2031-03-11

Abstract

The utility model relates to a pressing mechanism, which comprises a pair of linear slide rails, a pressing component and a cutter component which are in sliding fit with the linear slide rails, and a driving component which respectively drives the pressing component and the cutter component to move; the pressing assembly comprises a first sliding base in sliding fit with the linear slide rail, a connecting piece fixed on the first sliding base, and a pair of pressing heads installed at the end part of the connecting piece; the cutter assembly is arranged on one side of the first sliding base, which is deviated to the pressing head, and comprises a second sliding base, a cutter holder and a cutter, wherein the second sliding base is in sliding fit with the linear sliding rail; the utility model reduces the requirement on the flatness of the processed blank during the production of the products, thereby reducing the production cost; the auxiliary compaction is adopted, so that the product percent of pass is improved, and the waste of production materials and working hours is reduced; the whole structure design is simple and reliable, and the preparation cost and the operation difficulty of production equipment are reduced.

Description

Pressing mechanism

Technical Field

The utility model relates to a material processing is with compressing tightly equipment technical field, in particular to hold-down mechanism.

Background

The corrugated tooth gasket is made of carbon steel or stainless steel; the design and manufacture of the wave tooth gasket can meet the application requirements of various occasions of high temperature, high pressure (6.4-16Mpa) and easy corrosion, and can meet the requirements by selecting the most suitable metal material; generally, stainless steel materials with composite standards are processed by special equipment, and are widely applied to flanges and joints of chemical plants, power plants, nuclear power plants and the like. In the actual production process, due to the fact that specifications and sizes of the gasket are various, particularly the machining of large-size products is difficult to achieve automatic batch production of products meeting standards due to the fact that the gasket is large in size and thin in thickness; existing equipment mostly is semi-automatic formula, needs the manual work to last the operation, and because the material warp the reason, and the process of production hardly guarantees that the machining dimension accords with the standard, and the production facility structure among the prior art is complicated simultaneously, poor stability, and the product percent of pass is low, consequently the utility model discloses based on this current situation, developed a hold-down mechanism to solve the problem that exists among the prior art, through the retrieval, not discover with the utility model discloses the same or similar technical scheme.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: the utility model provides a hold-down mechanism to solve in the prior art for the gasket product of different specifications, the poor and relatively lower problem of qualification rate of processing stability.

The technical scheme of the utility model is that: a pressing mechanism comprises a pair of linear slide rails, a pressing component and a cutter component which are in sliding fit with the linear slide rails, and a driving component which respectively drives the pressing component and the cutter component to move; the pressing assembly comprises a first sliding base in sliding fit with the linear slide rail, a connecting piece fixed on the first sliding base, and a pair of pressing heads installed at the end part of the connecting piece; the cutter assembly is arranged on one side of the first sliding base, which is deviated to the pressing head, and comprises a second sliding base which is in sliding fit with the linear sliding rail, a cutter holder which is arranged on the second sliding base and a cutter which is fixed on the cutter holder.

Preferably, the connecting member includes a pair of connecting plates fixed to the first sliding base, and an adjusting plate fixed to an end of the pair of connecting plates; the pair of adjusting plates are arranged along the direction perpendicular to the moving direction of the first sliding base, a flat groove is formed in one side of each adjusting plate, and a plurality of inclined grooves are formed in the other side of each adjusting plate; and the pair of the pressing heads can be respectively matched in the flat slot and the inclined slot in a movable nesting mode and are locked and fixed.

Preferably, the pressing head comprises a guide seat in a U-shaped structure and a pressing roller arranged on the guide seat; the guide seat is movably nested and matched with the flat groove and the inclined groove respectively and is locked and fixed.

Preferably, the telescopic protective cover which stretches out and draws back along the length direction of the linear sliding rail perpendicular to the second sliding base is installed at the upper end of the second sliding base, and the tool apron is fixed at the end part of the telescopic protective cover.

Preferably, the driving assembly comprises an air cylinder fixedly connected with the first sliding base or the connecting piece, and an electric cylinder connected with the second sliding base.

Compared with the prior art, the utility model has the advantages that:

(1) the utility model is applied to the auxiliary pressing during the production and processing of metal annular materials in related industries such as gaskets and the like, and simultaneously, the auxiliary pressing during the production and processing of other materials with the same or similar materials strides over the necessary mechanisms of machine tools such as processing tool holders and the like, but can realize independent operation with other mechanisms under the condition of sharing a group of linear slide rails; the arrangement of the structure reduces the requirement on the flatness of the processed blank during the production of the products, thereby reducing the production cost to some extent; the auxiliary compaction is adopted, so that the product percent of pass is improved, and the waste of production materials and working hours is reduced; the whole structure design is simple and reliable, and the preparation cost and the operation difficulty of production equipment are reduced.

(2) The pair of adjusting plates respectively provided with the flat groove and the inclined groove are arranged, and the position of the pressing roller can be adjusted in an adaptive manner, so that the pressing requirements of gaskets with different sizes in production are met; meanwhile, the position of the cutter can be adjusted through the stretching of the telescopic protective cover.

(3) The cutter assembly is arranged on one side of the first sliding base, which is deviated to the pressing head, and the pressing position of the pressing roller on the gasket blank is always close to the processing position of the cutter during working, so that the qualified wave-tooth-shaped gasket can be processed even if the gasket blank is deformed such as bulging at other positions.

(4) Compress tightly subassembly and cutter unit spare and adopt different drive methods to drive, wherein compress tightly the subassembly and adopt the cylinder drive, the accessible adjust cylinder's pressure size, change compress tightly characteristics such as material, hardness or elasticity of gyro wheel for satisfy the required effect that compresses tightly of different material gasket production processes.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is an isometric view of a side of a hold-down mechanism of the present invention away from a drive assembly;

fig. 2 is an isometric view of a pressing mechanism of the present invention viewed from a side thereof adjacent to the driving assembly;

fig. 3 is a front view of a pressing mechanism according to the present invention.

Wherein: 1. linear slide rail, 2, compress tightly the subassembly, 3, cutter unit spare, 4, drive assembly, 5, first sliding base, 6, connecting piece, 7, connecting plate, 8, regulating plate, 9, pressure head, 10, guide holder, 11, pressure roller, 12, flat slot, 13, chute, 14, second sliding base, 15, blade holder, 16, cutter, 17, scalable protection casing, 18, cylinder, 19, electric jar.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

as shown in fig. 1-3, a pressing mechanism includes a pair of linear sliding rails 1 arranged in parallel, a pressing component 2 and a cutter component 3 slidably engaged with the pair of linear sliding rails 1, and a driving component 4 for driving the pressing component 2 and the cutter component 3 to move respectively.

The pressing assembly 2 comprises a first sliding base 5 in sliding fit with the linear sliding rail 1, a connecting piece 6 fixed on the first sliding base 5, and a pair of pressing heads 9 installed at the end part of the connecting piece 6; the connecting member 6 includes a pair of connecting plates 7 fixed to the first slide base 5, and an adjusting plate 8 fixed to end portions of the pair of connecting plates 7 and extending to an outer end; the pair of adjusting plates 8 are arranged along the direction perpendicular to the moving direction of the first sliding base 5, a flat groove 12 is formed in the adjusting plate 8 on one side, and a plurality of inclined grooves are formed in the adjusting plate 8 on the other side; the pair of the pressing heads 9 can be respectively matched in the flat slot 12 and the inclined slot 13 in a movable nesting way and are locked and fixed; as a further optimization of the present embodiment, the pressing head 9 includes a guide seat 10 in a U-shaped structure and a pressing roller 11 mounted on the guide seat 10; the guide seat 10 is movably nested and matched with the flat groove 12 and the inclined groove 13 respectively and is locked and fixed; in order to meet the pressing effect required in the production process of gaskets made of different materials, pressing rollers 11 made of different materials, hardness, elasticity and the like can be selected.

The cutter assembly 3 is arranged on one side of the first sliding base 5, which is deviated to the pressing head 9, and comprises a second sliding base 14 in sliding fit with the linear sliding rail 1, a cutter seat 15 arranged on the second sliding base 14, and a cutter 16 fixed on the cutter seat 15; the upper end of the second sliding base 14 is provided with a telescopic protective cover 17 which is telescopic along the length direction of the linear sliding rail 1, and the tool apron 15 is fixed at the end part of the telescopic protective cover 17, so that the tool apron 15 drives the tool 16 to move through the telescopic of the telescopic protective cover 17.

The driving assembly 4 comprises a cylinder 18 fixedly connected with the first sliding base 5 or the connecting piece 6 and an electric cylinder 19 connected with the second sliding base 14; with regard to the air cylinder 18, the pressure of the air cylinder 18 can be adjusted to meet different compaction requirements; but not limited to the air cylinder 18, other driving modes such as an electric cylinder and a hydraulic cylinder which can drive the compressing assembly to act can be adopted; the electric cylinder 19 is a modularized product which is designed by integrating a servo motor and a lead screw, the rotary motion of the servo motor is converted into the linear motion of the second sliding base 14, the moving accuracy is high, the driving tool 16 can move more accurately, and the production accuracy and the qualified rate of the product are higher by matching with the use of the pressing component 2.

The utility model can be applied to the production and processing of the wave-tooth-shaped gasket and is matched with a machine tool to work, and because the material thickness is thinner when the inner diameter of the wave-tooth-shaped gasket is larger, the processed blank is difficult to be smoothly attached to the fixture datum plane arranged on the main shaft of the machine tool in the processing process, the processed blank has larger run-out of the processed surface, and therefore, the pressing mechanism is required to work; during work, the air cylinder 18 pushes the pressing assembly 2 to move forwards along the linear slide rail 1, so that synchronous motion of the pair of adjusting plates 8 and the pressing roller 11 is realized until the pressing roller 11 presses a processed blank on a reference surface of the clamp and keeps a pressing state; at the moment, the main shaft of the machine tool rotates according to the set rotating speed and the rotating direction, the pressing roller 11 rolls on the pressing end face of the processed blank relatively, and the cutter 16 on the cutter holder 15 processes the processed blank according to the program.

When the corrugated gaskets of different specifications are required to be produced, the position of the pressing roller 11 in the corresponding flat groove 12 or inclined groove 13 is adjusted on the premise of not influencing the machining path, meanwhile, the pressing roller 11 can be switched in the inclined grooves 13, the pressing roller 11 is close to the cutter 16 as far as possible, and qualified corrugated gaskets can be machined even when the machined blank is deformed such as raised at other positions.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A hold-down mechanism, its characterized in that: the device comprises a pair of linear slide rails, a pressing component and a cutter component which are in sliding fit with the linear slide rails, and a driving component for respectively driving the pressing component and the cutter component to move; the pressing assembly comprises a first sliding base in sliding fit with the linear slide rail, a connecting piece fixed on the first sliding base, and a pair of pressing heads installed at the end part of the connecting piece; the cutter assembly is arranged on one side of the first sliding base, which is deviated to the pressing head, and comprises a second sliding base which is in sliding fit with the linear sliding rail, a cutter holder which is arranged on the second sliding base and a cutter which is fixed on the cutter holder.

2. The hold-down mechanism of claim 1, wherein: the connecting piece comprises a pair of connecting plates fixed on the first sliding base and adjusting plates fixed at the ends of the pair of connecting plates; the pair of adjusting plates are arranged along the direction perpendicular to the moving direction of the first sliding base, a flat groove is formed in one side of each adjusting plate, and a plurality of inclined grooves are formed in the other side of each adjusting plate; and the pair of the pressing heads can be respectively matched in the flat slot and the inclined slot in a movable nesting mode and are locked and fixed.

3. The hold-down mechanism of claim 2, wherein: the pressing head comprises a guide seat in a U-shaped structure and a pressing roller arranged on the guide seat; the guide seat is movably nested and matched with the flat groove and the inclined groove respectively and is locked and fixed.

4. The hold-down mechanism of claim 1, wherein: the telescopic protective cover which stretches out and draws back along the length direction of the linear sliding rail perpendicular to the linear sliding rail is installed at the upper end of the second sliding base, and the tool apron is fixed at the end part of the telescopic protective cover.

5. The hold-down mechanism of claim 1, wherein: the driving assembly comprises a cylinder fixedly connected with the first sliding base or the connecting piece and an electric cylinder connected with the second sliding base.