CN219820602U - Automatic mechanism for electric mold opening and closing - Google Patents

Abstract

The utility model relates to the technical field of plastic hollow forming, in particular to an electric die opening and closing automatic mechanism, which comprises a fixed plate, a first connecting rod, a clamping part and a rotating shaft, wherein the bottom of each first connecting rod is rotationally connected with a second connecting rod, a fine adjusting device for adjusting a gap between the first connecting rod and the second connecting rod is arranged at the joint of the bottom of one or two first connecting rods and the second connecting rod, the fine adjusting device comprises a sliding block, the sliding block is rotationally connected with the corresponding second connecting rod, a sliding hole corresponding to the sliding block is arranged at the bottom of the first connecting rod provided with the fine adjusting device, a positioning plate is connected with the bottom of the first connecting rod provided with the fine adjusting device, one or more tensioning screws are arranged on the positioning plate, and each tensioning screw penetrates through the positioning plate and is in threaded connection with the sliding block, and a limiting part for limiting the position of the sliding block is arranged on the positioning plate.

Description

Automatic mechanism for electric mold opening and closing

Technical Field

The utility model relates to the technical field of plastic hollow molding, in particular to an electric die opening and closing automatic mechanism.

Background

The existing plastic hollow blow molding machine opens and closes the mold through the mold opening and closing mechanism when in use, a hydraulic driving mode is generally adopted, oil stain absorption phenomenon on equipment is very easy to occur in hydraulic pressure when in use, and the problem of mold opening and closing deviation can occur after long-time use, an oil cylinder opening and closing mold needs a motor-hydraulic energy conversion, certain energy consumption is lost in the conversion process, a machine table is caused to generate heat, a cooling system is required to be specially added for cooling, a connecting rod mode of motor driving is adopted, and the unstable effect of connecting a rotating connecting part exists due to errors of a processing part, so that clamping part is unstable in clamping, abrasion is easy to occur at a loosening part, and the service life of the structure is reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an electric die opening and closing automatic mechanism which has the characteristics of good synchronous movement effect of clamping positions, adaptation to different machining errors and improvement of positioning performance of the clamping positions.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electronic mould automatic mechanism that opens and shuts, includes the fixed plate, and the both sides of fixed plate are provided with connecting rod one, connecting rod one's upper portion is provided with the clamping part that is used for fixed mould, connecting rod one's middle part transmission is connected with the pivot, and pivot and fixed plate rotate and connect, each connecting rod one's bottom all rotates and is connected with connecting rod two, and wherein the junction of the bottom of two connecting rods one and connecting rod two is provided with the micromatic setting that is used for adjusting the clearance between connecting rod one and the connecting rod two, the micromatic setting includes the sliding block, sliding block and corresponding connecting rod two rotate and connect, wherein install the bottom of the connecting rod one of micromatic setting with the sliding hole that the sliding block corresponds, the locating plate is installed to connecting rod one's sliding hole department, be provided with one or more tensioning screw on the locating plate, each tensioning screw passes the locating plate and passes through threaded connection with the sliding block, be provided with the spacing portion that is used for restricting the sliding block position on the locating plate, be provided with the pulling device that is used for adjusting two connecting rod two distances between two.

Preferably, a synchronizing mechanism for guiding the clamping position is arranged between the two rotating shafts, the synchronizing mechanism comprises a linkage rod, one end of each rotating shaft is connected with an adapter plate, the linkage rod is rotationally connected with each adapter plate, and the joints of the two adapter plates and the linkage rod are distributed on the upper side and the lower side of the rotating shaft.

Preferably, the pulling device comprises a first supporting plate, the first supporting plate is rotationally connected with each second connecting rod, a distance adjusting device for adjusting the distance between the first supporting plate and the second supporting plate is arranged on the first supporting plate, the bottom of each first connecting rod is rotationally connected with a third connecting rod, a second supporting plate is arranged between the third connecting rods, and the second supporting plate is rotationally connected with the bottom of each third connecting rod.

Preferably, the distance adjusting device comprises a motor, a ball screw is installed on an output shaft of the motor, a screw rod nut is installed on the second supporting plate, and the screw rod nut is connected with the ball screw.

Preferably, the limiting part is a compression screw, the compression screw is connected with the locating plate through threads, and one end of the compression screw is contacted with the sliding block.

Preferably, the distance adjusting device further comprises an upper limit bracket and a lower limit bracket, the upper limit bracket is arranged on the first support plate, the lower limit bracket is arranged on the second support plate, the upper limit bracket and the lower limit bracket are oppositely arranged, and the top end of the upper limit bracket and the fixing plate are oppositely arranged.

Preferably, the clamping part is rotationally connected with a connecting rod IV, and a parallelogram structure is formed by the rotating part of the connecting rod I and the fixing plate, the rotating part of the connecting rod I and the clamping part, and the rotating part of the connecting rod IV and the fixing plate and the rotating part of the connecting rod IV and the clamping part.

(III) beneficial effects

Compared with the prior art, the utility model provides an electric die opening and closing automatic mechanism, which comprises the following components

The beneficial effects are that:

this electronic compound die automatic mechanism opens and shuts, distance between backup pad one and the backup pad two through distance adjusting device, and then drive connecting rod two and connecting rod three buckle, and then drive the distance between two connecting rods one and change, make two clamping parts be close to the tight part of clamp, and strengthen the connection effect between two pivots through synchro mechanism, improve the rotation synchronous effect of pivot, make things convenient for one upper portion synchronous movement of connecting rod, and then make things convenient for centering to press from both sides tight part, and when the installation, the accessible is screwed up and is unscrewed the tensioning screw department, and adjust the position of limit part, and then limit the position of sliding block, realize adjusting the clearance between connecting rod two and the connecting rod one, adapt to the different machining errors of adjustment, make the rotation of connecting rod one more synchronous, improve the positioning effect of clamping department.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure of the present utility model at B-B in FIG. 2;

FIG. 5 is a left side view of the present utility model;

FIG. 6 is a schematic cross-sectional view of the structure of FIG. 5 at C-C in accordance with the present utility model.

The reference numerals in the drawings: 1. a fixing plate; 2. a first connecting rod; 3. an adapter plate; 4. a rotating shaft; 5. a linkage rod; 6. a positioning plate; 7. a compression screw; 8. a sliding block; 9. tightening the screw; 10. a first supporting plate; 11. a second connecting rod; 12. a motor; 13. a ball screw; 14. a second supporting plate; 15. a screw nut; 16. a connecting rod III; 17. a clamping part; 18. an upper limit bracket; 19. a lower limit bracket; 20. and a connecting rod IV.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

referring to fig. 1-6, an automatic mechanism for electric mold opening and closing comprises a fixed plate 1, wherein connecting rods 1 and 2 are arranged on two sides of the fixed plate 1, a clamping part 17 is arranged on the upper part of the connecting rods 1, the clamping part 17 is a supporting part for connecting with a mold plate, a rotating shaft 4 is connected in the middle of the connecting rods 1, the rotating shaft 4 is connected with the connecting rods 2 through a flat key, synchronous rotation of the connecting rods 2 and the adapter plates 3 is guaranteed, the rotating shaft 4 is rotationally connected with the fixed plate 1, a synchronous mechanism for guiding the clamping part is arranged between the two rotating shafts 4, the synchronous mechanism comprises a linkage rod 5, one end of the rotating shaft 4 is connected with the adapter plates 3, the linkage rod 5 and each adapter plate 3 are rotationally connected, the connecting parts of the two adapter plates 3 and the linkage rod 5 are distributed on the upper side and the lower side of the rotating shaft 4, and through the arrangement of the linkage rod 5, when the two connecting rods 2 rotate, the rotating shaft 4 and the connecting rods 3 can be driven to rotate, and the synchronism of the rotating positions of the connecting rods 2 is limited by the linkage rod 5, so that the synchronism of the rotating angle of the connecting rods 2 is improved, and the angle of the connecting rods 2 is further beneficial to adjusting the angle of the connecting rods 2.

Specifically, the bottom of each connecting rod I2 is rotationally connected with a connecting rod II 11, a fine adjustment device for adjusting the gap between the connecting rod I2 and the connecting rod II 11 is arranged at the joint of the bottom of one connecting rod I2 and the connecting rod II 11, the fine adjustment device comprises a sliding block 8, the sliding block 8 and the corresponding connecting rod II 11 are rotationally connected, wherein the bottom of the connecting rod I2 provided with the fine adjustment device is provided with a sliding hole corresponding to the sliding block 8, the bottom of the connecting rod I2 provided with the fine adjustment device is connected with a positioning plate 6, two tensioning screws 9 are arranged on the positioning plate 6, each tensioning screw 9 penetrates through the positioning plate 6 and is in threaded connection with the sliding block 8, a compression screw 7 for limiting the position of the sliding block 8 is arranged on the positioning plate 6, the compression screw 7 is in threaded connection with the positioning plate 6, one end of the compression screw 7 is in contact with the sliding block 8, by rotating the compression screw 7, the compression screw 7 is in threaded connection with the positioning plate 6, the compression screw 7 is further effectively adjusted to extend into the first connecting rod 2 and limit the position of the sliding block 8, a pulling device for adjusting the distance between the second connecting rod 11 is arranged between the second connecting rod 11, the distance between the first supporting plate 10 and the second supporting plate 14 is adjusted through the distance adjusting device, the second connecting rod 11 and the third connecting rod 16 are further driven to bend, the angle between the first connecting rod 2 is further driven to change, the two clamping parts 17 are made to be close to the clamping part, the connecting effect between the two rotating shafts 4 is enhanced through the synchronizing mechanism, the rotating synchronizing effect of the rotating shafts 4 is improved, the upper parts of the first connecting rod 2 can be conveniently moved synchronously, the clamping part can be conveniently centered, in addition, in the installation process, the position of the sliding block 8 is limited by tightening and loosening the tightening screw 9 and adjusting the position of the compression screw 7, the compression screw 7 and the tensioning screw 9 are screwed down, the position of the sliding block 8 is further limited, the gap between the connecting rod two 11 and the connecting rod one 2 is adjusted, different machining errors are adapted to be adjusted, the rotation of the connecting rod one 2 is enabled to be more synchronous, the positioning effect of the clamping position is improved, the distance adjusting device further comprises an upper limiting support 18 and a lower limiting support 19, the upper limiting support 18 is arranged on the supporting plate one 10, the lower limiting support 19 is arranged on the supporting plate two 14, the upper limiting support 18 and the lower limiting support 19 are oppositely arranged, the top end of the upper limiting support 18 and the fixed plate 1 are oppositely arranged, the moving range of the supporting plate one 10 is limited through the relatively arrangement of the upper limiting support 18 and the lower limiting support 19, the situation that the supporting plate one 10 collides with and is damaged is reduced, and the situation that the distance between the supporting plate one 10 and the supporting plate two 14 is excessively adjusted is reduced.

Wherein the pulling device comprises a first supporting plate 10, the first supporting plate 10 is rotationally connected with each second connecting rod 11, a distance adjusting device for adjusting the distance between the first supporting plate 10 and the second supporting plate 14 is arranged on the first supporting plate 10, the bottom of each first connecting rod 2 is rotationally connected with a third connecting rod 16, a second supporting plate 14 is arranged between the third connecting rods 16, the second supporting plate 14 is rotationally connected with the bottom of each third connecting rod 16, the second supporting plate 10 is driven by the distance adjusting device to be far away from or close to the second supporting plate 14, the distance between the first supporting plate 10 and the second supporting plate 14 is effectively adjusted, the moving position of the second supporting plate 14 is further effectively limited by the arrangement of the third connecting rods 16, the angle between the second connecting rods 11 is effectively adjusted, the die assembly is opened and closed relative to a die plate which is conventionally ensured by using a linear motion guide rail, the die assembly accuracy is ensured by adopting a parallelogram connecting rod mode, for traditional initiative rack, driven rack and synchro pinion of using, guarantee template synchronous motion when using, the innovatively use link mechanism to make two templates synchronous motion, and a structure is simple, high efficiency, thereby guarantee the stability when opening and closing the mould, for traditional mode that uses the hydro-cylinder to provide the required power of compound die, the mode of using servo motor 12 drive lead screw now, drive laborsaving link mechanism and provide required power, distance adjusting device includes motor 12, ball screw 13 is installed to motor 12's output shaft, install lead screw nut 15 on backup pad two 14, lead screw nut 15 and ball screw 13 connect, drive ball screw 13 rotatory through motor 12, cooperate between ball screw 13 and the lead screw nut 15, and then effectively adjust the distance between backup pad one 10 and the lead screw nut 15.

The clamping part 17 is rotationally connected with the connecting rod IV 20, the rotating part of the connecting rod IV 2 and the fixed plate 1, the rotating part of the connecting rod IV 2 and the clamping part 17, and the rotating part of the connecting rod IV 20 and the fixed plate 1 and the rotating part of the connecting rod IV 20 and the clamping part 17 form a parallelogram structure, and when the clamping part 17 is rotated, the connecting rod IV 20 is driven to rotate together, so that the supporting force of the clamping part is improved, and the supporting strength is improved.

When the membrane opening and closing device is used, the template is arranged on the clamping part 17, after the motor 12 is started, the motor 12 drives the first support plate 10 and the second support plate 14 to approach each other, and then the second connecting rod 11 is driven to rotate, and the second connecting rod 11 pulls the first connecting rod 2 to rotate, so that the clamping part 17 is separated and approaches each other, and the membrane opening and closing process is realized.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. An electronic mould automatic mechanism that opens and shuts which characterized in that: the die comprises a fixed plate (1), wherein two sides of the fixed plate (1) are provided with a first connecting rod (2), the upper part of the first connecting rod (2) is provided with a clamping part (17) for fixing a die, the middle part of the first connecting rod (2) is in transmission connection with a rotating shaft (4), the rotating shaft (4) is in rotary connection with the fixed plate (1), the bottom of each first connecting rod (2) is in rotary connection with a second connecting rod (11), one or more than one tensioning screw (9) is arranged at the joint of the bottom of the first connecting rod (2) and the second connecting rod (11), the fine adjusting device comprises a sliding block (8), the sliding block (8) is in rotary connection with the corresponding second connecting rod (11), the bottom of the first connecting rod (2) provided with a sliding hole corresponding to the sliding block (8), the sliding hole of the first connecting rod (2) is provided with a positioning plate (6), the positioning plate (6) is provided with one or more tensioning screws (9), the tensioning screws (9) penetrate through the sliding block (6) and are used for limiting the position of the sliding block (8) through the sliding block (8), a pulling device for adjusting the distance between the two connecting rods (11) is arranged between the two connecting rods (11).

2. An automatic mechanism for electrically opening and closing a mold according to claim 1, wherein: be provided with the synchro mechanism that is used for the direction to clamping place between two pivot (4), synchro mechanism includes gangbar (5), the one end of pivot (4) is connected with keysets (3), gangbar (5) and each keysets (3) all rotate to be connected, and the junction of two keysets (3) and gangbar (5) distributes in the upper and lower both sides of pivot (4).

3. An automatic mechanism for electrically opening and closing a mold according to claim 1, wherein: the pulling device comprises a first supporting plate (10), the first supporting plate (10) is rotationally connected with each second connecting rod (11), a distance adjusting device for adjusting the distance between the first supporting plate (10) and the second supporting plate (14) is arranged on the first supporting plate (10), the bottom of each first connecting rod (2) is rotationally connected with a third connecting rod (16), a second supporting plate (14) is arranged between the third connecting rods (16), and the bottoms of the second supporting plate (14) and the third connecting rods (16) are rotationally connected.

4. An automatic mechanism for electrically opening and closing a mold according to claim 3, wherein: the distance adjusting device comprises a motor (12), a ball screw (13) is installed on an output shaft of the motor (12), a screw nut (15) is installed on a second supporting plate (14), and the screw nut (15) is connected with the ball screw (13).

5. An automatic mechanism for electrically opening and closing a mold according to claim 4, wherein: the limiting part is a compression screw (7), the compression screw (7) is connected with the locating plate (6) through threads, and one end of the compression screw (7) is contacted with the sliding block (8).

6. An automatic mechanism for electrically opening and closing a mold according to claim 4, wherein: the distance adjusting device further comprises an upper limit bracket (18) and a lower limit bracket (19), the upper limit bracket (18) is arranged on the first support plate (10), the lower limit bracket (19) is arranged on the second support plate (14), the upper limit bracket (18) and the lower limit bracket (19) are oppositely arranged, and the top end of the upper limit bracket (18) and the fixing plate (1) are oppositely arranged.

7. An automatic mechanism for electrically opening and closing a mold according to claim 1, wherein: the clamping part (17) is rotationally connected with a connecting rod IV (20), and a parallelogram structure is formed by the rotation position of the connecting rod IV (2) and the fixed plate (1), the rotation position of the connecting rod IV (2) and the clamping part (17), and the rotation position of the connecting rod IV (20) and the fixed plate (1) and the rotation position of the connecting rod IV (20) and the clamping part (17).