CN216359303U

CN216359303U - Die casting machine pull rod front clamping mechanism with accurate positioning

Info

Publication number: CN216359303U
Application number: CN202121005109.6U
Authority: CN
Inventors: 李远近
Original assignee: Jiangmen Zhenli Machinery Co ltd
Current assignee: Jiangmen Zhenli Machinery Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-04-22
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a die casting machine tie bar front clamping mechanism with accurate positioning, which comprises an installation frame, a main cylinder and clamping plates, wherein the main cylinder is arranged at the top end and the bottom end of one end of the installation frame, the clamping plates are arranged at the top end and the bottom end in the installation frame, a die casting tie bar is arranged between the clamping plates, positioning mechanisms are arranged on two sides in the installation frame, coating mechanisms are uniformly arranged at the bottom end of one end of each clamping plate, and each coating mechanism comprises a rotating shaft, a connecting plate, a servo motor and a soft block. The die-casting machine pull rod limiting mechanism is provided with the cladding mechanism, so that the function of limiting the pull rod of the die-casting machine well can be realized, the servo motor can drive the rotating shaft to rotate after the die-casting pull rod is clamped in the clamping plate, the rotating shaft can drive the connecting plate to rotate, and after the connecting plate rotates to a certain angle, the soft block can increase the friction force between the connecting plate and the die-casting pull rod, so that the die-casting quality is improved.

Description

Die casting machine pull rod front clamping mechanism with accurate positioning

Technical Field

The utility model relates to the technical field of die casting machines, in particular to a die casting machine pull rod front clamping mechanism with accurate positioning.

Background

The die casting machine is a mechanical device for pressure casting, an automatic drawing bar structure needs to be installed in some large die casting machines, otherwise, a die is difficult to install in the large die casting machine, and the problem that the drawing bar is difficult to accurately position generally exists when the die casting machine is clamped in front of the drawing bar, so that the precision and the quality during die casting can be influenced to a certain extent;

however, the existing front clamping mechanism of the tie bar of the die casting machine on the market has the problem that the tie bar of the die casting machine is difficult to limit well when being used, so that the front clamping mechanism of the tie bar of the die casting machine with accurate positioning is developed at present to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a front clamping mechanism of a tie bar of a die casting machine, which is accurate in positioning and solves the problem that the tie bar of the die casting machine is difficult to limit in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a chucking mechanism before die casting machine arm-tie that location is accurate, includes installation frame, master cylinder and grip block, the top and the bottom of installation frame one end all are provided with the master cylinder, the inside top and the bottom of installation frame all are provided with the grip block, be provided with the die-casting arm-tie between the grip block, the inside both sides of installation frame all are provided with positioning mechanism, the bottom of grip block one end evenly is provided with cladding mechanism, cladding mechanism includes pivot, connecting plate, servo motor and soft piece, the pivot evenly sets up in the bottom of grip block one end, the inside of pivot all is provided with servo motor, the lateral wall of pivot all is provided with the connecting plate, the bottom of connecting plate evenly is fixed with the soft piece, the inside bottom of grip block evenly is provided with extending structure.

Preferably, the positioning mechanism comprises a sliding block, a fixed block, a movable block, an auxiliary cylinder, a latch and a sliding groove, the sliding groove is formed in two sides of the installation frame, the fixed block is fixed to two sides of the bottom end of the clamping plate, the auxiliary cylinder is arranged on one side of the fixed block, the movable block is arranged inside the fixed block, one side of the movable block is fixed to one side of the auxiliary cylinder, the sliding block is arranged inside the sliding groove, the top end of the sliding block is fixed to one side of the bottom end of the movable block, and the latch is uniformly fixed to one side of the sliding block and one side of the inside of the sliding groove.

Preferably, the outer diameter of the sliding block is smaller than the inner diameter of the sliding groove, and the sliding block and the sliding groove form a sliding structure.

Preferably, the spout is provided with two sets ofly, the spout is the symmetric distribution about the axis of installation frame.

Preferably, the rotating shaft is provided with a plurality of rotating shafts which are distributed at equal intervals at the bottom end of one end of the clamping plate.

Preferably, extending structure includes pressure head, nut, stopper, spacing groove, spring, mounting groove, flexible piece and screw shaft, the mounting groove evenly sets up in the inside bottom of grip block, the inside of mounting groove all is provided with flexible piece, the inside of flexible piece all is provided with the screw shaft, the bottom of screw shaft all is fixed with the pressure head, the lateral wall of screw shaft all is provided with the nut, the both sides of flexible piece all are provided with the spacing groove, the inside of spacing groove all is provided with the stopper, and one side of stopper all is fixed with flexible piece, the bottom of flexible piece all is provided with the spring.

Compared with the prior art, the utility model has the beneficial effects that: the accurately-positioned die casting machine pull rod front clamping mechanism not only realizes the function of better limiting the pull rod of a die casting machine, but also simultaneously realizes the function of accurately positioning the pull rod and the function of enabling the mechanism to be suitable for pull rods with different sizes;

(1) the die-casting machine pull rod limiting device has the advantages that the coating mechanisms are uniformly arranged at the bottom end of one end of the clamping plate, so that the pull rod of the die-casting machine can be well limited, after the die-casting pull rod is clamped in the clamping plate, the servo motor can drive the rotating shaft to rotate, the rotating shaft can drive the connecting plate to rotate, and after the connecting plate rotates to a certain angle, the soft block can increase the friction force between the connecting plate and the die-casting pull rod, so that the die-casting quality is improved;

(2) the positioning mechanisms are arranged on the two sides in the mounting frame, so that the function of accurately positioning the pull rod is realized, when the limiting is needed, the auxiliary air cylinder can pull the moving block to one side under the support of the fixed block, and then the moving block can drive the sliding block and the latch to move together, so that the positioning accuracy is improved;

(3) evenly be provided with extending structure through the bottom in grip block inside, realized can making this mechanism be suitable for the function of equidimension pull rod, when carrying out the die-casting pull rod centre gripping of variation in size, can rotate the nut earlier, make the length of screw thread axle can adjust, the screw thread axle can extend or shorten in the inside of flexible piece, the stopper can play the guide effect in the inside of spacing groove to the removal of flexible piece to this mechanism's adaptability has been improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic view of a front view of a partial cross-sectional structure of the positioning mechanism of the present invention;

FIG. 4 is a schematic view of a front view of a partial cross-sectional structure of the coating mechanism of the present invention;

fig. 5 is an enlarged schematic view of the structure of fig. a of the present invention.

In the figure: 1. a mounting frame; 2. die-casting the pull rod; 3. a master cylinder; 4. a positioning mechanism; 401. a slider; 402. a fixed block; 403. a moving block; 404. an auxiliary cylinder; 405. clamping teeth; 406. a chute; 5. a coating mechanism; 501. a rotating shaft; 502. a connecting plate; 503. a servo motor; 504. a soft block; 6. a telescopic structure; 601. a pressure head; 602. a nut; 603. a limiting block; 604. a limiting groove; 605. a spring; 606. mounting grooves; 607. a telescopic block; 608. a threaded shaft; 7. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a front clamping mechanism of a tie bar of a die casting machine with accurate positioning comprises an installation frame 1, a main cylinder 3 and a clamping plate 7, wherein the main cylinder 3 is arranged at the top end and the bottom end of one end of the installation frame 1, the model of the main cylinder 3 can be SC63X250, the input end of the main cylinder 3 is electrically connected with the output end of a control panel through a lead, the clamping plate 7 is arranged at the top end and the bottom end of the interior of the installation frame 1, a die-casting tie bar 2 is arranged between the clamping plates 7, positioning mechanisms 4 are arranged at two sides of the interior of the installation frame 1, cladding mechanisms 5 are uniformly arranged at the bottom end of one end of the clamping plate 7, each cladding mechanism 5 comprises a rotating shaft 501, a connecting plate 502, a servo motor 503 and a soft block 504, the rotating shaft 501 is uniformly arranged at the bottom end of one end of the clamping plate 7, a servo motor 503 is arranged in the interior of the rotating shaft 501, the model of the servo motor 503 can be MR-J2S-10A, the input end of the servo motor 503 is electrically connected with the output end of the control panel through a lead, the outer side walls of the rotating shafts 501 are provided with connecting plates 502, soft blocks 504 are uniformly fixed at the bottom ends of the connecting plates 502, and telescopic structures 6 are uniformly arranged at the bottom ends inside the clamping plates 7;

specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, after the die-casting pull rod 2 is clamped by the clamping plate 7, the servo motor 503 is started, the servo motor 503 drives the rotating shaft 501 to rotate, the rotating shaft 501 drives the connecting plate 502 to rotate, after the connecting plate 502 rotates to a certain angle, the connecting plate 502 clings the soft block 504 to the outer side wall of the die-casting pull rod 2, and the soft block 504 increases the friction force between the connecting plate 502 and the die-casting pull rod 2, so that the die-casting pull rod 2 is not easy to displace in the clamping process of the clamping plate 7;

the positioning mechanism 4 comprises a sliding block 401, a fixed block 402, a moving block 403, auxiliary cylinders 404, latch teeth 405 and a sliding groove 406, the sliding grooves 406 are all arranged on two sides of the installation frame 1, the fixed block 402 is all fixed on two sides of the bottom end of one end of the clamping plate 7, the auxiliary cylinders 404 are all arranged on one side of the fixed block 402, the model of the auxiliary cylinders 404 can be SU32X75, the input ends of the auxiliary cylinders 404 are electrically connected with the output end of the control panel through wires, the moving block 403 is arranged inside the fixed block 402, one side of the moving block 403 is fixed with one side of the auxiliary cylinders 404, the sliding block 401 is arranged inside the sliding groove 406, the top end of the sliding block 401 is fixed with one side of the bottom end of the moving block, and the latch teeth 405 are uniformly fixed on one side of the sliding block 401 and one side of the inside the sliding groove 406;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, the auxiliary cylinder 404 is started when the limiting is needed, the auxiliary cylinder 404 pulls the moving block 403 to one side under the support of the fixing block 402, then the moving block 403 drives the sliding block 401 and the latch 405 to move together, when the latch 405 is engaged with each other, the clamping plate 7 can be limited and fixed, and after the fixing is not needed, the auxiliary cylinder 404 can be started again to perform the reverse operation;

the telescopic structure 6 comprises a pressure head 601, nuts 602, limiting blocks 603, limiting grooves 604, springs 605, mounting grooves 606, telescopic blocks 607 and threaded shafts 608, the mounting grooves 606 are uniformly arranged at the bottom end inside the clamping plate 7, the telescopic blocks 607 are arranged inside the mounting grooves 606, the threaded shafts 608 are arranged inside the telescopic blocks 607, the pressure head 601 is fixed at the bottom ends of the threaded shafts 608, the nuts 602 are arranged on the outer side walls of the threaded shafts 608, the limiting grooves 604 are arranged on both sides of the telescopic blocks 607, the limiting blocks 603 are arranged inside the limiting grooves 604, one sides of the limiting blocks 603 are fixed with the telescopic blocks 607, and the springs 605 are arranged at the bottom ends of the telescopic blocks 607;

specifically, as shown in fig. 2 and 5, when this mechanism is used, first, when the die-casting tie bars 2 of different sizes are clamped, the nut 602 may be rotated to adjust the length of the threaded shaft 608, the threaded shaft 608 may extend or contract inside the telescopic block 607, and the stopper 603 may guide the movement of the telescopic block 607 inside the stopper groove 604.

The working principle is as follows: when the mechanism is used, firstly, the main cylinder 3 is started, the clamping plate 7 is driven by the main cylinder 3 to move in the installation frame 1, the fixed block 402 drives the sliding block 401 to move along with the clamping plate 7 in the sliding groove 406, the auxiliary cylinder 404 is started after the sliding block moves to a specified position, the auxiliary cylinder 404 pulls the moving block 403 to one side under the support of the fixed block 402, then the moving block 403 drives the sliding block 401 and the clamping teeth 405 to move together, when the clamping teeth 405 are meshed with each other, the clamping plate 7 can be limited and fixed, and after the clamping is not needed, the auxiliary cylinder 404 can be started again to perform reverse operation;

secondly, after the die-casting pull rod 2 is clamped by the clamping plate 7, the servo motor 503 can be started, the servo motor 503 can drive the rotating shaft 501 to rotate, the rotating shaft 501 can drive the connecting plate 502 to rotate, after the connecting plate 502 rotates to a certain angle, the connecting plate 502 can enable the soft block 504 to be tightly attached to the outer side wall of the die-casting pull rod 2, the soft block 504 can increase the friction force between the connecting plate 502 and the die-casting pull rod 2, and the die-casting pull rod 2 is not prone to moving in the clamping process of the clamping plate 7;

finally, when the die-casting tie bars 2 with different sizes are clamped, the nut 602 can be rotated firstly, the length of the threaded shaft 608 can be adjusted, then the threaded shaft 608 is rotated according to the size of the die-casting tie bar 2, the threaded shaft 608 can extend or shorten inside the telescopic block 607, the spring 605 can fix the telescopic block 607 inside the mounting groove 606 in the process, the limiting block 603 can guide the movement of the telescopic block 607 inside the limiting groove 604, and the pressure head 601 can clamp the die-casting tie bar 2 after the adjustment is completed, so that the work is completed finally.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 chucking mechanism before die casting machine draw bar that location is accurate, includes installation frame (1), master cylinder (3) and grip block (7), its characterized in that: the die-casting and positioning device is characterized in that the top end and the bottom end of one end of the installation frame (1) are respectively provided with a main cylinder (3), the top end and the bottom end of the inside of the installation frame (1) are respectively provided with a clamping plate (7), a die-casting pull rod (2) is arranged between the clamping plates (7), two sides of the inside of the installation frame (1) are respectively provided with a positioning mechanism (4), the bottom end of one end of each clamping plate (7) is uniformly provided with a coating mechanism (5), each coating mechanism (5) comprises a rotating shaft (501), a connecting plate (502), a servo motor (503) and a soft block (504), the rotating shaft (501) is uniformly arranged at the bottom end of one end of each clamping plate (7), the servo motor (503) is arranged inside the rotating shaft (501), the outer side wall of the rotating shaft (501) is respectively provided with the connecting plate (502), and the soft blocks (504) are uniformly fixed at the bottom ends of the connecting plates (502), the bottom end inside the clamping plate (7) is uniformly provided with a telescopic structure (6).

2. The front clamping mechanism of the pull rod of the die casting machine with accurate positioning as claimed in claim 1, wherein: the positioning mechanism (4) comprises a sliding block (401), a fixing block (402), a moving block (403), auxiliary air cylinders (404), clamping teeth (405) and a sliding groove (406), wherein the sliding groove (406) is formed in two sides of the installation frame (1), the fixing block (402) is fixed to two sides of the bottom end of one end of the clamping plate (7), the auxiliary air cylinders (404) are arranged on one sides of the fixing block (402), the moving block (403) is arranged inside the fixing block (402), one side of the moving block (403) is fixed to one side of the auxiliary air cylinders (404), the sliding block (401) is arranged inside the sliding groove (406), the top end of the sliding block (401) is fixed to one side of the bottom end of the moving block (403), and the clamping teeth (405) are uniformly fixed to one side of the sliding block (401) and one side of the sliding groove (406).

3. The front clamping mechanism of the pull rod of the die casting machine with accurate positioning as claimed in claim 2, wherein: the outer diameter of the sliding block (401) is smaller than the inner diameter of the sliding groove (406), and the sliding block (401) and the sliding groove (406) form a sliding structure.

4. The front clamping mechanism of the pull rod of the die casting machine with accurate positioning as claimed in claim 2, wherein: the sliding grooves (406) are arranged in two groups, and the sliding grooves (406) are symmetrically distributed relative to the central axis of the installation frame (1).

5. The front clamping mechanism of the pull rod of the die casting machine with accurate positioning as claimed in claim 1, wherein: the rotating shaft (501) is provided with a plurality of rotating shafts (501) which are distributed at equal intervals at the bottom end of one end of the clamping plate (7).

6. The front clamping mechanism of the pull rod of the die casting machine with accurate positioning as claimed in claim 1, wherein: the telescopic structure (6) comprises a pressure head (601), a screw cap (602), a limiting block (603), a limiting groove (604), a spring (605), a mounting groove (606), a telescopic block (607) and a threaded shaft (608), the mounting grooves (606) are uniformly arranged at the bottom end inside the clamping plate (7), telescopic blocks (607) are arranged in the mounting grooves (606), threaded shafts (608) are arranged in the telescopic blocks (607), the bottom ends of the threaded shafts (608) are all fixed with pressure heads (601), the outer side walls of the threaded shafts (608) are all provided with screw caps (602), both sides of the telescopic block (607) are provided with limiting grooves (604), the limiting blocks (603) are arranged inside the limiting grooves (604), and one side of the limiting block (603) is fixed with the telescopic block (607), and the bottom end of the telescopic block (607) is provided with a spring (605).