CN213353683U

CN213353683U - Quick clamping device of precision mold

Info

Publication number: CN213353683U
Application number: CN202020969397.6U
Authority: CN
Inventors: 王振新; 钟文彬; 沈亮
Original assignee: Suzhou Yate Precision Mould Co ltd
Current assignee: Suzhou Yate Precision Mould Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-06-04
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a quick clamping device of accurate mould relates to the relevant field of accurate mould, and is not simple and convenient enough for solving the operation of dismantling the new mould of former mould clamping at present, leads to the clamping step longer consuming time, not quick enough problem. The both sides of mount table upper end are provided with fixed ladder groove down, the centre of fixed ladder groove lower extreme is provided with fixed chamber, be provided with the mounting in the middle of the fixed intracavity portion, the mounting comprises two holding pieces, the holding piece includes flat board portion, middle rotating part and last bulge, the outside the lower extreme in the holding piece outside is provided with the threaded rod, the centre of mount table upper end is provided with the bed die down, the bed die includes side fixed mounting piece, be provided with in the centre of side fixed mounting piece lower extreme by the holder, by the holder including straight board portion and arrow point portion, the shoulder neck position of arrow point portion coincide with the contained angle position that flat board portion formed on two holding pieces.

Description

Quick clamping device of precision mold

Technical Field

The utility model relates to a precision mold correlation field specifically is a quick clamping device of precision mold.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. In the process of mold processing and manufacturing, the mold is often required to be clamped, so that the tool setting of processing equipment is facilitated, and the accuracy and the reliability of mold manufacturing are ensured.

Finished products with different shapes can be manufactured by the aid of different shapes of the die cavities on the dies, so that the dies with different shapes are required to be selected according to the products when the products are manufactured, most of the existing dies are fixed by screws, and a plurality of screws are arranged, so that the dies are required to be disassembled by detaching the dies to clamp a new die again when other dies are required to be clamped, and operation is not simple and convenient enough; therefore, the market urgently needs to develop a rapid clamping device for a precise mold to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick clamping device of accurate mould to solve the operation of dismantling the new mould of former mould clamping at present that proposes in the above-mentioned background art and be not simple and convenient enough, lead to the clamping step longer consuming time, not quick enough problem.

In order to achieve the above object, the utility model provides a following technical scheme: a quick clamping device for a precise mold comprises a lower mounting platform, wherein fixed ladder grooves are formed in two sides of the upper end of the lower mounting platform, a fixed cavity is formed in the middle of the lower end of each fixed ladder groove, a fixing part is arranged in the middle of the inner part of the fixed cavity and consists of two clamping sheets, each clamping sheet comprises a flat plate part, a middle rotating part and an upper convex part, the flat plate parts, the middle rotating parts and the upper convex parts are integrally formed, the middle rotating parts are located on one side of the flat plate parts, the upper convex parts are located at the upper ends of the flat plate parts, the external corners of the upper convex parts are all chamfered, the internal corners between the upper convex parts and the flat plate parts are all chamfered, the middle rotating parts on the two clamping sheets are connected through rotating shafts, the rotating shafts are connected with the inner wall of the fixed cavity through bearings, threaded rods are arranged at the lower ends of the outer sides of the clamping sheets, the side fixed mounting piece is coincided with fixed ladder groove, the centre of side fixed mounting piece lower extreme is provided with by the holder, by holder and side fixed mounting piece fixed connection, including straight board portion and arrow point portion by the holder, straight board portion is located the one end of arrow point portion, and the shoulder neck position of arrow point portion is coincided with the contained angle position that last bellying and flat board formed on two holding pieces.

Preferably, the outside the holding piece passes through second pressure spring with the threaded rod and is connected, is provided with the baffle between second pressure spring and the threaded rod, and the baffle passes through the bearing with the threaded rod and is connected, second pressure spring and baffle and holding piece fixed connection, the upper end in the holding piece outside is provided with third pressure spring, and third pressure spring all is fixed with the inner wall in the fixed chamber of holding piece.

Preferably, the inner cavities are arranged at two ends of the inner part of the lower mounting table, the pressing block is arranged in the inner cavity and is connected with the inner wall of the inner cavity in a sliding mode, and the pressing block is connected with the inner wall of the inner cavity through a first pressure spring.

Preferably, the compaction block comprises an inclined part and a straight part, the inclined part and the straight part are integrally formed, and the height of the inclined part and the height of the straight part are equal to the height of the inner cavity.

Preferably, the lower die further comprises a die main body, a die cavity is arranged inside the die main body, and a preformed hole is formed in the upper end of the die main body along the outer side of the die cavity.

Preferably, the middle of the upper end of the lower mounting table is provided with a mounting cavity, and the size of the mounting cavity is the same as that of the die main body.

Preferably, the four corners of the upper end of the lower mounting table are fixedly provided with limiting columns.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, when a new lower die is clamped, the threaded rod is rotated to move the threaded rod into a fixed cavity in the lower mounting platform, the second pressure spring is gradually compressed in the inward movement process of the threaded rod, the lower ends of the clamping pieces are moved inwards at the same time, two clamping pieces are arranged, the middle rotating parts on the two clamping pieces are connected through a rotating shaft, the rotating shaft is connected with the inner wall of the fixed cavity through a bearing, therefore, when the lower end of one clamping piece moves inwards, the clamping piece on the other side moves inwards to increase the distance between the upper convex parts, the threaded rod is continuously rotated until the distance between the upper convex parts is larger than the maximum width of the arrow head part, equipment is fixed in a reserved hole of the lower die, the lower die is placed in the mounting cavity, the side fixed mounting piece is just overlapped on the fixed ladder groove at the moment and is slid into the fixed cavity along the space between the convex parts on the, at the moment, the threaded rod is rotated reversely, so that the threaded rod moves outwards, the pressure on the second pressure spring and the third pressure spring is gradually lost until a separation blade between the threaded rod and the second pressure spring is attached to the inner wall of the fixed cavity, at the moment, the second pressure spring is in a relaxed state, the third pressure spring is still in a compressed state and inwards compresses the clamping sheets, the shoulder neck position of the arrow head part of the clamped piece is just matched with the included angle position formed by the flat plate part and the convex part on the two clamping sheets, the clamped piece is fixed between the two clamping sheets, so that the lower die is fixed, as the shoulder neck position of the arrow head part of the clamped piece is just limited by the included angle position formed by the flat plate part and the convex part on the two clamping sheets, the lower die cannot continuously move upwards, the side fixing mounting sheet is matched with the fixed ladder groove, the lower die cannot continuously move downwards, an operator only needs to screw the two threaded rods to place the lower die into the lower die and then screw, compared with the traditional mode of fixing by a plurality of screws, the operation is simpler, matched screws and screwdrivers do not need to be searched additionally, the time consumption of the clamping step is shorter, and the clamping can be carried out quickly;

2. the utility model discloses an in, when placing the bed die and getting into fixed chamber, the bed die at first with the contact of the sloping of compact heap, downwards along the sloping to make the compact heap remove to the inner chamber side gradually, the bed die continues downwards, with straight portion contact, the compact heap was pressed in the inside of inner chamber this moment, first pressure spring has the resilience force by compression to the mould side down, thereby has certain pressure to compress tightly the bed die to the lower mould.

Drawings

Fig. 1 is a front view of a rapid clamping device for a precision mold according to the present invention;

fig. 2 is a front view of the lower mounting table of the present invention;

FIG. 3 is a cross-sectional view of the lower mounting plate of the present invention at A-A;

FIG. 4 is a cross-sectional view of the lower mounting table of the present invention at B-B;

FIG. 5 is a cross-sectional view of the lower mounting plate B-B of the present invention in another motion state;

fig. 6 is a side view of the lower mold of the present invention.

In the figure: 1. a lower mounting table; 11. a mounting cavity; 12. fixing the ladder groove; 13. a fixed cavity; 14. an inner cavity; 2. a limiting column; 3. a lower die; 31. side fixing mounting pieces; 32. a mold body; 33. reserving a hole; 34. a mold cavity; 35. a clamped member; 351. a straight plate portion; 352. an arrow head part; 4. a threaded rod; 5. a fixing member; 51. a clamping piece; 511. a flat plate portion; 512. a middle rotating part; 513. an upper boss; 6. a first pressure spring; 7. a compression block; 71. a bevel portion; 72. a straight portion; 8. a second pressure spring; 9. a third pressure spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, the present invention provides an embodiment: a quick clamping device for a precision mold comprises a lower mounting platform 1, fixed ladder grooves 12 are arranged on two sides of the upper end of the lower mounting platform 1, a fixed cavity 13 is arranged in the middle of the lower end of the fixed ladder grooves 12, a fixing part 5 is arranged in the middle of the inside of the fixed cavity 13, the fixing part 5 is composed of two clamping sheets 51, each clamping sheet 51 comprises a flat plate part 511, a middle rotating part 512 and an upper convex part 513, the flat plate parts 511, the middle rotating parts 512 and the upper convex parts 513 are integrally formed, the middle rotating parts 512 are positioned on one side of the flat plate parts 511, the upper convex parts 513 are positioned on the upper ends of the flat plate parts 511, the outer corners of the upper convex parts 513 are chamfered to ensure that the components are not scratched when sliding, the inner corners between the upper convex parts 513 and the flat plate parts 511 are chamfered, the middle rotating parts 512 on the two clamping sheets 51 are connected through rotating shafts, the rotating shafts are connected with the inner, the middle of the upper end of the lower mounting platform 1 is provided with a lower die 3, the lower die 3 comprises a side fixing mounting piece 31, the side fixing mounting piece 31 is matched with the fixing ladder groove 12, the middle of the lower end of the side fixing mounting piece 31 is provided with a clamped piece 35, the clamped piece 35 is fixedly connected with the side fixing mounting piece 31, the clamped piece 35 comprises a straight plate part 351 and an arrow part 352, the straight plate part 351 is positioned at one end of the arrow part 352, the shoulder neck position of the arrow part 352 is matched with the included angle position formed by the upper convex part 513 and the flat part 511 on the two clamping pieces 51, so that the clamped piece 35 is fixed between the two clamping pieces 51, the lower die 3 is fixed, and the operation is completed.

Further, outside holding piece 51 passes through second pressure spring 8 with threaded rod 4 and is connected, be provided with the baffle between second pressure spring 8 and the threaded rod 4, when baffle between threaded rod 4 and the second pressure spring 8 is pasted in fixed chamber 13 inner wall, second pressure spring 8 is in the state of relaxing, third pressure spring 9 is in the inside compression holding piece 51 of compression state, the baffle mainly plays limiting displacement, avoid threaded rod 4 to remove the head, the baffle passes through the bearing with threaded rod 4 and is connected, when threaded rod 4 rotates, the baffle drives second pressure spring 8 and only slides from side to side, second pressure spring 8 and baffle and holding piece 51 fixed connection, the upper end in the holding piece 51 outside is provided with third pressure spring 9, third pressure spring 9 is all fixed with the inner wall in the fixed chamber 13 of holding piece 51.

Further, inner cavities 14 are formed in two ends of the inner portion of the lower mounting table 1, pressing blocks 7 are arranged inside the inner cavities 14, the pressing blocks 7 are connected with the inner walls of the inner cavities 14 in a sliding mode, and the pressing blocks 7 are connected with the inner walls of the inner cavities 14 through first pressure springs 6.

Further, the pressing block 7 comprises an inclined portion 71 and a straight portion 72, the inclined portion 71 and the straight portion 72 are integrally formed, the height of the inclined portion 71 and the height of the straight portion 72 are equal to the height of the inner cavity 14, the lower die 3 is placed in the installation cavity 11, the lower die 3 is firstly contacted with the inclined portion 71 of the pressing block 7 and downwards along the inclined portion 71, so that the pressing block 7 gradually moves towards the inner cavity 14 side, the lower die 3 continues downwards and is contacted with the straight portion 72, at the moment, the pressing block 7 is pressed in the inner cavity 14, the first pressure spring 6 is compressed to have resilience towards the lower die 3 side, and therefore certain pressure is applied to the lower die 3 to press the lower die 3.

Further, the lower die 3 further comprises a die main body 32, a die cavity 34 is arranged inside the die main body 32, a preformed hole 33 is formed in the upper end of the die main body 32 along the outer side of the die cavity 34, and when clamping is needed, the moving device is provided with a component fixing preformed hole 33 to complete fixing of the lower die 3, so that moving is achieved.

Further, a mounting cavity 11 is provided in the middle of the upper end of the lower mounting table 1, and the size of the mounting cavity 11 is the same as that of the mold main body 32.

Furthermore, the four corners of the upper end of the lower mounting platform 1 are fixedly provided with limiting columns 2.

The utility model discloses in with the clamping of bed die 3 as leading, must have in the actual operation production that the mould is supplementary, its structure is the same with the clamping of bed die 3 with the principle.

The working principle is as follows: when a new lower die 3 is clamped, the threaded rod 4 is rotated, the threaded rod 4 is moved into the fixed cavity 13 in the lower mounting platform 1, the second pressure spring 8 is gradually compressed in the inward movement process of the threaded rod 4, the lower ends of the clamping pieces 51 are moved inwards at the same time, two clamping pieces 51 are arranged, the middle rotating parts 512 on the two clamping pieces 51 are connected through the rotating shaft, the rotating shaft is connected with the inner wall of the fixed cavity 13 through a bearing, therefore, when the lower end of one clamping piece 51 moves inwards, the clamping piece 51 on the other side also moves inwards, the distance between the upper protruding parts 513 is increased, and the threaded rod 4 continues to be rotated until the distance between the upper protruding parts 513 is larger than the maximum width of the arrow head part 352. The device is fixed in a preformed hole of a lower die 3, the lower die 3 is placed in an installation cavity 11, the lower die 3 is firstly contacted with an inclined part 71 of a pressing block 7 and downwards along the inclined part 71, so that the pressing block 7 gradually moves towards an inner cavity 14 side, the lower die 3 continuously downwards contacts with a straight part 72, the pressing block 7 is pressed in the inner cavity 14 at the moment, a first pressure spring 6 is compressed to have resilience towards the lower die 3 side, so that certain pressure is exerted on the lower die 3 to press the lower die 3, the fixed installation of the lower die 3 is completed, a side fixed installation sheet 31 is just overlapped on a fixed ladder groove 12 at the moment, a clamped piece 35 slides into the fixed cavity 13 along the space between upper convex parts 513, at the moment, a threaded rod 4 is reversely rotated, so that the threaded rod 4 moves towards the outer side, the pressure on a second pressure spring 8 and a third pressure spring 9 is gradually lost until a baffle between the threaded rod 4 and the second pressure spring 8 is adhered to the inner wall of the fixed cavity 13, at this time, the second pressure spring 8 is in a relaxed state, the third pressure spring 9 is still in a compressed state and inwardly compresses the clamping pieces 51, the shoulder and neck positions of the arrow head portion 352 of the clamped piece 35 just coincide with the included angle position formed by the upper flat plate portion 511 and the upper convex portion 513 of the two clamping pieces 51, and the clamped piece 35 is fixed between the two clamping pieces 51, so that the lower mold 3 is fixed, and clamping is completed.

It is obvious to a person skilled in the art that the invention is not restricted 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. The present embodiments are therefore to be considered in all respects as illustrative 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a quick clamping device of precision mold, includes mount table (1) down, its characterized in that: the lower mounting platform is characterized in that fixed ladder grooves (12) are arranged on two sides of the upper end of the lower mounting platform (1), a fixed cavity (13) is arranged in the middle of the lower end of the fixed ladder grooves (12), a fixing part (5) is arranged in the middle of the inside of the fixed cavity (13), the fixing part (5) is composed of two clamping pieces (51), each clamping piece (51) comprises a flat plate part (511), a middle rotating part (512) and an upper convex part (513), the flat plate parts (511), the middle rotating parts (512) and the upper convex parts (513) are integrally formed, the middle rotating parts (512) are positioned on one side of the flat plate parts (511), the upper convex parts (513) are positioned at the upper ends of the flat plate parts (511), the positions of the external corners of the upper convex parts (513) are all chamfered, the internal corners between the upper convex parts (513) and the flat plate parts (511) are all chamfered, the middle rotating parts (512) on the two clamping pieces (51) are connected through rotating, the lower extreme in the outside clamping piece (51) outside is provided with threaded rod (4), the centre of installing platform (1) upper end is provided with bed die (3) down, bed die (3) are including side fixed mounting piece (31), and side fixed mounting piece (31) coincide with fixed ladder groove (12), the centre of side fixed mounting piece (31) lower extreme is provided with by holder (35), by holder (35) and side fixed mounting piece (31) fixed connection, by holder (35) including straight board portion (351) and arrow point portion (352), straight board portion (351) are located the one end of arrow head portion (352), and the shoulder neck position of arrow head portion (352) is coincided with the contained angle position that protruding portion (513) and flat portion (511) formed on two clamping pieces (51).

2. The rapid clamping device for the precision mold according to claim 1, which is characterized in that: the outside centre gripping piece (51) are connected through second pressure spring (8) with threaded rod (4), are provided with the baffle between second pressure spring (8) and threaded rod (4), and the baffle passes through the bearing with threaded rod (4) to be connected, second pressure spring (8) and baffle and centre gripping piece (51) fixed connection, the upper end in centre gripping piece (51) outside is provided with third pressure spring (9), and third pressure spring (9) are all fixed with the inner wall of the fixed chamber (13) of centre gripping piece (51).

3. The rapid clamping device for the precision mold according to claim 1, which is characterized in that: inner cavities (14) are arranged at two ends of the inner portion of the lower mounting table (1), pressing blocks (7) are arranged in the inner cavities (14), the pressing blocks (7) are connected with the inner walls of the inner cavities (14) in a sliding mode, and the pressing blocks (7) are connected with the inner walls of the inner cavities (14) through first pressure springs (6).

4. The rapid clamping device for the precision die as claimed in claim 3, wherein: the pressing block (7) comprises an inclined part (71) and a straight part (72), the inclined part (71) and the straight part (72) are integrally formed, and the height of the inclined part (71) and the height of the straight part (72) are equal to the height of the inner cavity (14).

5. The rapid clamping device for the precision mold according to claim 1, which is characterized in that: the lower die (3) further comprises a die main body (32), a die cavity (34) is arranged inside the die main body (32), and a preformed hole (33) is formed in the upper end of the die main body (32) along the outer side of the die cavity (34).

6. The rapid clamping device for the precision die as recited in claim 5, wherein: the middle of the upper end of the lower mounting table (1) is provided with a mounting cavity (11), and the size of the mounting cavity (11) is the same as that of the die main body (32).

7. The rapid clamping device for the precision mold according to claim 1, which is characterized in that: and limiting columns (2) are fixedly arranged at four corners of the upper end of the lower mounting table (1).