CN209918857U - Movable template positioning and locking mechanism for die casting machine - Google Patents

Movable template positioning and locking mechanism for die casting machine Download PDF

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Publication number
CN209918857U
CN209918857U CN201822036391.9U CN201822036391U CN209918857U CN 209918857 U CN209918857 U CN 209918857U CN 201822036391 U CN201822036391 U CN 201822036391U CN 209918857 U CN209918857 U CN 209918857U
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movable
sliding block
linear guide
lines
shaped
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凌立亮
侯思伟
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Jiangsu New Fine Machinery Technology Co Ltd
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Jiangsu New Fine Machinery Technology Co Ltd
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Abstract

The utility model discloses a moving die plate location locking mechanical system for die casting machine, including frame (1), moving die plate (2), the lower part bilateral symmetry of moving die plate (2) is equipped with spout (4) that are used for embedding linear guide (3), spout (4) are located and are made moving die plate (2) can follow the extending direction rectilinear movement of linear guide (3) on linear guide (3), two linear guide (3) all are located and are equipped with solid fixed sliding block (5) on frame (1) between the two on frame (1), be equipped with slider hydro-cylinder (6) in the cavity of moving die plate (2), be equipped with burr or the dimpled grain on the solid fixed sliding block (5) on the removal slider (7) and removal slider (7) at the piston front end of slider hydro-cylinder (6) and lock moving die plate (2) mutually. The utility model discloses a can be vertical the removal slider that reciprocates and fixed unchangeable fixed slider, both gomphosis are with locking movable mould board, simple structure and convenient to use.

Description

Movable template positioning and locking mechanism for die casting machine
Technical Field
The utility model belongs to the technical field of the die casting machine technique and specifically relates to an adopt concave-convex structure to fix a movable mould board that is used for die casting machine of movable mould board location locking mechanical system.
Background
The die casting machine of bent elbow structure is most die casting machines that exist now, and the die casting machine of this kind of structure has and is the crosshead with the direct promotion bent elbow structure of matched mould jar, promotes the movable mould board through bent elbow mechanism and moves forward, and present back brace when a straight line, bent elbow mechanism reach its dead point position, and the thrust of matched mould jar can be enlargied to bent elbow mechanism to can reach the clamping force of needs when making movable mould board and static template mode locking. However, the mechanism has the defect that the elbow connecting parts are connected through large and small pin shafts, a steel sleeve is arranged in the elbow hole, the large pin shaft is subjected to larger stress, certain abrasion is caused in the motion process, and the stress of only one position of the shaft sleeve is larger during each motion, so that the abrasion of the shaft sleeve is more aggravated. After a certain amount of abrasion, the ideal mold locking effect cannot be achieved, and casting defects are easily caused. The other troublesome is that the structure is troublesome when changing the mold, the mold is changed again, and the position of the mold closing cylinder seat needs to be readjusted because the thickness of the mold is different, and the required mold locking force needs to be adjusted finely and continuously. The developed novel die casting machine supports and guides the movable die plate through the linear guide rail, so that how to fix the movable die plate on the linear guide rail or the machine base needs to be considered.
Disclosure of Invention
The utility model aims to provide a movable mould plate positioning and locking mechanism for a die casting machine, which adopts a concave-convex structure to fix the movable mould plate, aiming at the problems in the prior art; the locking mechanism is based on the combination of a movable sliding block capable of vertically moving up and down and a fixed sliding block which is invariable fixed, so that the movable template is locked, the movable sliding block retracts when the movable template moves, and the movable sliding block extends out to be clamped on the fixed sliding block when the movable template needs to be positioned.
The utility model aims at solving through the following technical scheme:
the utility model provides a movable mould board location locking mechanical system for die casting machine, includes frame, movable mould board, its characterized in that: the two sides of the lower part of the movable template are symmetrically provided with sliding chutes for embedding the linear guide rails, the sliding chutes are located on the linear guide rails to enable the movable template to move linearly along the extension direction of the linear guide rails, the two linear guide rails are both located on the machine base, the machine base between the two linear guide rails is provided with a fixed sliding block, a sliding block oil cylinder is arranged in a cavity of the movable template between the sliding chutes, the front end of a piston of the sliding block oil cylinder is provided with a movable sliding block, and convex grains or concave grains on the movable sliding block can be embedded with concave grains or convex grains on the fixed sliding block to lock the movable template; after the movable template moves to the fixed position on the linear guide rail, the sliding block oil cylinder is started and pushes the movable sliding block to move downwards until the convex grains or the concave grains on the movable sliding block and the concave grains or the convex grains on the fixed sliding block are mutually embedded, so that the position of the movable template is locked.
The concave lines or convex lines on the fixed sliding block are regular horizontal straight lines, the convex lines or concave lines on the movable sliding block are also regular horizontal straight lines, and the horizontal straight lines are perpendicular to the linear guide rail, so that the fixed sliding block can be just embedded with the fixed sliding block.
Concave lines or convex lines on the fixed sliding block are arrow-shaped lines or Z-shaped lines, and convex lines or concave lines on the movable sliding block are also corresponding arrow-shaped lines or Z-shaped lines, so that the fixed sliding block can be just embedded with the fixed movable sliding block.
The rear end of the movable sliding block is provided with a baffle plate, the front end of the movable sliding block is blocked by the shell of the movable template, the front end and the rear end of the movable sliding block are limited by an interval formed by the baffle plate and the shell of the movable template, the left side and the right side of the movable sliding block are limited between the two linear guide rails, and therefore the movable sliding block is prevented from deviating.
The cross section of the linear guide rail is in an inverted L shape, the cross section of the outer side part of the sliding groove is in an inverted L shape, a mounting groove is dug in the vertical part of the inverted L-shaped cross section, a bearing seat with a bearing is mounted in the mounting groove, and the inner side wall of the bearing is in rolling contact with the outer side wall of the horizontal part of the linear guide rail so as to reduce friction resistance.
The mounting groove is positioned at the inner side of the vertical part with the reverse L-shaped section, and a plurality of groups of mounting grooves, bearing seats and bearings are arranged along the extending direction of the linear guide rail.
The section of the linear guide rail is in an inverted L shape, the section of the outer side part of the sliding groove is in an inverted L shape, the upper part of the horizontal part of the inverted L-shaped section is opposite to the bottom of the horizontal part of the linear guide rail to form an adjusting cavity, the upper part of the horizontal part of the inverted L-shaped section is in an inclined surface structure, so that the section of the adjusting cavity is in a right trapezoid with an inclined bottom edge, an adjusting block with an inclined bottom edge is arranged in the adjusting cavity, the adjusting block is connected with an adjusting screw rod penetrating through a threaded hole in the vertical part of the inverted L-shaped part of the sliding groove, the adjusting screw rod is in threaded connection with the threaded hole, and the relative position of the inclined surface of the adjusting block and the inclined surface of the upper part of the horizontal part of the inverted L-shaped part of the sliding groove is changed by rotating the adjusting.
The upper inclined plane of the horizontal part of the reverse L-shaped part of the sliding chute is gradually inclined from inside to outside, so that the distance between the upper inclined plane of the horizontal part of the reverse L-shaped part of the sliding chute and the far end of the vertical part of the reverse L-shaped part of the sliding chute and the bottom of the horizontal part of the linear guide rail is smaller than the distance between the upper inclined plane of the horizontal part of the reverse L-shaped part of the sliding chute and the near end of the vertical part of the reverse L-shaped part of the sliding chute and the bottom of the horizontal part of the linear guide rail.
The middle part of the adjusting block is provided with an embedding groove, and the top of the adjusting screw rod is embedded into the embedding groove with the section of the inner cavity forming a convex shape and can freely move relative to the embedding groove; and the shoulder part of the embedding groove is embedded into the annular groove at the top of the adjusting screw rod.
And a plurality of groups of adjusting blocks and adjusting screws are arranged along the extension direction of the linear guide rail.
Compared with the prior art, the utility model has the following advantages:
the locking mechanism of the utility model is provided with a movable slider capable of vertically moving up and down and a fixed slider which is fixed, when the movable template moves, the movable slider retracts, and when the movable template needs to be positioned, the movable slider extends out to be clamped on the fixed slider so as to lock the movable template; the concave-convex structures on the movable sliding block and the fixed sliding block are arranged according to requirements; the support and the guide are carried out through the arrangement of the linear guide rail and the bearing structure, so that the friction force between the inner side surface of the movable template and the linear guide rail is adjusted through rolling friction of the inner side surface of the movable template relative to the linear guide rail; through the arrangement of the adjusting cavity, the adjusting block and the adjusting screw rod, the adjusting screw rod adjusts the relative position of the inclined plane of the adjusting block and the upper inclined plane of the horizontal part of the reverse L-shaped part of the sliding chute, so that the combination degree of the top of the linear guide rail and the shoulder contact part of the movable template is adjusted to perform auxiliary locking on the movable template; the locking mechanism has simple structure and convenient use, and is suitable for popularization and use.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a movable mold plate positioning and locking mechanism for a die casting machine according to the present invention;
FIG. 2 is a schematic longitudinal vertical cross-sectional structure diagram of a movable mold plate positioning and locking mechanism for a die casting machine according to the present invention;
FIG. 3 is a schematic diagram of the transverse cross-sectional structure of the movable die plate positioning and locking mechanism for the die casting machine of the present invention;
FIG. 4 is an enlarged view of the encircled area of FIG. 3;
fig. 5 is a schematic view of the combination state of the adjusting block and the adjusting screw of the present invention.
Wherein: 1, a machine base; 2, moving the template; 3-linear guide rail; 4, a chute; 5, fixing the sliding block; 6-a slide block oil cylinder; 7, moving the sliding block; 8, a baffle plate; 9, mounting a groove; 10, a bearing; 11-a bearing seat; 12-adjusting the cavity; 13-an adjustment block; 14-adjusting screw; 15-embedding grooves; 16-ring groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-5: a movable template positioning and locking mechanism for a die casting machine comprises a machine base 1 and a movable template 2, wherein sliding grooves 4 used for embedding linear guide rails 3 are symmetrically arranged on two sides of the lower portion of the movable template 2, the sliding grooves 4 are located on the linear guide rails 3 to enable the movable template 2 to linearly move along the extension direction of the linear guide rails 3, the two linear guide rails 3 are located on the machine base 1, a fixed sliding block 5 is arranged on the machine base 1 between the two linear guide rails 3, a sliding block oil cylinder 6 is arranged in a cavity of the movable template 2 between the sliding grooves 4, a movable sliding block 7 is arranged at the front end of a piston of the sliding block oil cylinder 6, and convex grains or concave grains on the movable sliding block 7 can be embedded with concave grains or convex grains on the fixed sliding block 5 to lock the; in addition, a baffle plate 8 is arranged at the rear end of the movable slide 7, the front end of the movable slide 7 is blocked by the shell of the movable template 2, so that the front end and the rear end of the movable slide 7 are limited by a section formed by the baffle plate 8 and the shell of the movable template 2, and the left side and the right side of the movable slide 7 are limited between the two linear guide rails 3, thereby avoiding the deviation of the movable slide 7. After the movable template 2 moves to the fixed position on the linear guide rail 3, the slide block oil cylinder 6 is started and pushes the movable slide block 7 to move downwards until the convex lines or the concave lines on the movable slide block 7 and the concave lines or the convex lines on the fixed slide block 5 are mutually embedded, so that the position of the movable template 2 is locked.
The relief structure on the moving slider 7 and the fixed slider 5 is set as required, assuming a case: the concave lines or convex lines on the fixed sliding block 5 are regular horizontal straight lines, the convex lines or concave lines on the movable sliding block 7 are also regular horizontal straight lines, and the horizontal straight lines are arranged perpendicular to the linear guide rail 3, so that the fixed sliding block 5 can be just embedded with the fixed movable sliding block 7; there is also a case where: the concave lines or convex lines on the fixed sliding block 5 are arrow-shaped lines or Z-shaped lines, and the convex lines or concave lines on the movable sliding block 7 are corresponding arrow-shaped lines or Z-shaped lines, so that the fixed sliding block 5 can be just embedded with the fixed sliding block 7; in fact, there are many other shapes of the raised or indented pattern, as long as the relief structure that fits into each other to position the moving die plate 2 is satisfied. The regular straight lines are explained by an embodiment below, the part where the fixed slide 5 and the movable slide 7 are engaged is a trapezoidal groove, the angle of one surface stressed is about 90-105 degrees, the angle of the other inclined surface is about 30-50 degrees, after the fixed slide 5 and the movable slide 7 are engaged, the stress surface of the mold locking is attached, and the gap of the other surface is about 0.5-1.5 mm.
In order to reduce the friction force between the linear guide rail 3 and the side wall of the movable template 2, the section of the linear guide rail 3 is in an inverted L shape, the section of the outer side part of the sliding groove 4 is in an inverted L shape, a mounting groove 9 is dug in the vertical part of the inverted L-shaped section, a bearing seat 11 with a bearing 10 is mounted in the mounting groove 9, and the inner side wall of the bearing 10 is in rolling contact with the outer side wall of the horizontal part of the linear guide rail 3 to reduce the friction resistance; in this structure, the mounting groove 9 is located inside the vertical portion of the reverse L-shaped cross section, and a plurality of sets of mounting grooves 9, bearing blocks 11 and bearings 10 are provided along the extending direction of the linear guide rail 3
In addition, in order to assist and limit the movable template 2 through the linear guide rail 3, the section of the linear guide rail 3 is in an inverted L shape, the section of the outer part of the sliding chute 4 is in an inverted L shape, the upper part of the horizontal part of the inverted L-shaped section is opposite to the bottom of the horizontal part of the linear guide rail 3 and forms an adjusting cavity 12, the upper part of the horizontal part of the inverted L-shaped section is in an inclined surface structure, so that the section of the adjusting cavity 12 is in a right trapezoid with an inclined bottom edge, an adjusting block 13 with an inclined bottom edge and a right trapezoid-angled trapezoid-shaped section is arranged in the adjusting cavity 12, the adjusting block 13 is connected with an adjusting screw 14 penetrating through a threaded hole in the vertical part of the inverted L-shaped part of the sliding chute 4, and the adjusting; an embedding groove 15 is arranged in the middle of the adjusting block 13, and the top of the adjusting screw 14 is embedded into the embedding groove 15 with the section of the inner cavity forming a convex shape and can freely move relative to the embedding groove 15; and the shoulder of the seating groove 15 is seated in the annular groove 16 at the top of the adjusting screw 14. The combination gap between the movable die plate 2 and the top of the linear guide 3 is adjusted by changing the relative position of the inclined surface of the adjusting block 13 and the upper inclined surface of the horizontal part of the reverse L-shaped part of the chute 4 by rotating the adjusting screw 14.
In this structure, the upper slope of the horizontal portion of the reverse L-shaped portion of the chute 4 is gradually inclined from the inside to the outside, so that the distance between the upper slope of the horizontal portion of the reverse L-shaped portion of the chute 4 with respect to the distal end of the vertical portion of the reverse L-shaped portion of the chute 4 and the bottom of the horizontal portion of the linear guide 3 is smaller than the distance between the upper slope of the horizontal portion of the reverse L-shaped portion of the chute 4 with respect to the proximal end of the vertical portion of the reverse L-shaped portion of the chute 4 and the bottom of the horizontal portion of the linear guide 3. Along the extension direction of the linear guide 3, a plurality of sets of adjusting blocks 13 and adjusting screws 14 are provided. When the adjusting part is used, a plurality of groups of adjusting screw rods 14 and adjusting blocks 13 need to be adjusted in sequence, and the adjusting amplitude of each group of adjusting screw rods 14 and adjusting blocks 13 is consistent, so that the combination degree of the top of the linear guide rail 3 and the shoulder contact part of the movable template 2 is adjusted.
The locking mechanism of the utility model is provided with a movable slider 7 which can vertically move up and down and a fixed slider 5 which is fixed and unchangeable, when the movable template 2 moves, the movable slider 5 retracts, and when the movable template 2 needs to be positioned, the movable slider 7 extends out to be clamped on the fixed slider 5 to lock the movable template 2; the concave-convex structures on the movable sliding block 7 and the fixed sliding block 5 are arranged according to requirements; the linear guide rail 3 and the bearing structure are arranged for supporting and guiding, so that the friction force between the inner side surface of the movable template 2 and the linear guide rail 3 is adjusted by rolling friction of the inner side surface of the movable template; the adjusting screw 14 adjusts the relative position of the inclined plane of the adjusting block 13 and the upper inclined plane of the horizontal part of the reverse L-shaped part of the sliding chute 4 by adjusting the arrangement of the adjusting cavity 12, the adjusting block 13 and the adjusting screw 14, so as to adjust the combination degree of the top of the linear guide rail 3 and the shoulder contact part of the movable template 2 to perform auxiliary locking on the movable template 2; the locking mechanism has simple structure and convenient use, and is suitable for popularization and use.
The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.

Claims (9)

1. The utility model provides a movable mould board location locking mechanical system for die casting machine, includes frame (1), movable mould board (2), its characterized in that: the two sides of the lower part of the movable template (2) are symmetrically provided with sliding chutes (4) used for embedding the linear guide rails (3), the sliding chutes (4) are located on the linear guide rails (3) to enable the movable template (2) to linearly move along the extension direction of the linear guide rails (3), the two linear guide rails (3) are both located on the machine base (1), a fixed sliding block (5) is arranged on the machine base (1) between the two linear guide rails, a sliding block oil cylinder (6) is arranged in a cavity of the movable template (2) between the sliding chutes (4), the front end of a piston of the sliding block oil cylinder (6) is provided with a movable sliding block (7), and convex grains or concave grains on the movable sliding block (7) can be embedded with concave grains or convex grains on the fixed sliding block (5) to lock the movable template (2); after the movable template (2) moves to the fixed position on the linear guide rail (3), the sliding block oil cylinder (6) is started and pushes the movable sliding block (7) to move downwards until the convex lines or the concave lines on the movable sliding block (7) and the concave lines or the convex lines on the fixed sliding block (5) are mutually embedded, so that the position of the movable template (2) is locked; the section of the linear guide rail (3) is in an inverted L shape, the section of the outer side part of the sliding chute (4) is in an inverted L shape, the upper part of the horizontal part of the inverted L-shaped section is opposite to the bottom of the horizontal part of the linear guide rail (3) to form an adjusting cavity (12), the upper part of the horizontal part of the inverted L-shaped section is in an inclined surface structure to enable the section of the adjusting cavity (12) to be in a right trapezoid with an inclined bottom edge, an adjusting block (13) with an inclined section is arranged in the adjusting cavity (12), the adjusting block (13) is connected with an adjusting screw rod (14) penetrating through a threaded hole in the vertical part of the inverted L-shaped part of the sliding chute (4), the adjusting screw rod (14) is in threaded connection with the threaded hole, and the relative position of the inclined surface of the adjusting block (13) and the upper inclined surface of the horizontal part of the inverted L-shaped section of the sliding chute (4) is changed by rotating the adjusting screw rod (14) to adjust the combination gap between the movable template.
2. The movable die plate positioning and locking mechanism for the die casting machine according to claim 1, characterized in that: the concave lines or convex lines on the fixed sliding block (5) are regular horizontal straight lines, the convex lines or concave lines on the movable sliding block (7) are also regular horizontal straight lines, and the horizontal straight lines are perpendicular to the linear guide rail (3) so that the fixed sliding block (5) can be just embedded with the fixed movable sliding block (7).
3. The movable die plate positioning and locking mechanism for the die casting machine according to claim 1, characterized in that: concave lines or convex lines on the fixed sliding block (5) are arrow-shaped lines or Z-shaped lines, and convex lines or concave lines on the movable sliding block (7) are also corresponding arrow-shaped lines or Z-shaped lines, so that the fixed sliding block (5) can be just embedded with the fixed movable sliding block (7).
4. The movable die plate positioning and locking mechanism for the die casting machine according to claim 1, characterized in that: the rear end of the movable sliding block (7) is provided with a baffle (8), the front end of the movable sliding block (7) is blocked by the shell of the movable template (2), the front end and the rear end of the movable sliding block (7) are limited by an interval formed by the baffle (8) and the shell of the movable template (2), the left side and the right side of the movable sliding block (7) are limited between the two linear guide rails (3), and the movable sliding block (7) is prevented from deviating from the direction.
5. The movable die plate positioning and locking mechanism for the die casting machine according to claim 1, characterized in that: the cross-section of linear guide (3) is the setting of shape of falling L and the outside part cross-section of spout (4) is anti-L shape, and the vertical portion of this anti-L shape cross-section is dug has mounting groove (9), installs bearing frame (11) of taking bearing (10) in mounting groove (9), and the inside wall of bearing (10) and the lateral wall rolling contact of the horizontal part of linear guide (3) in order to reduce frictional resistance.
6. The movable die plate positioning and locking mechanism for the die casting machine according to claim 5, wherein: the mounting groove (9) is positioned on the inner side of the vertical part with the reverse L-shaped section, and a plurality of groups of mounting grooves (9), bearing seats (11) and bearings (10) are arranged along the extending direction of the linear guide rail (3).
7. The movable die plate positioning and locking mechanism for the die casting machine according to claim 1, characterized in that: the upper inclined plane of the horizontal part of the reverse L-shaped part of the sliding chute (4) is gradually inclined from inside to outside, so that the distance between the distal end of the upper inclined plane of the horizontal part of the reverse L-shaped part of the sliding chute (4) relative to the vertical part of the reverse L-shaped part of the sliding chute (4) and the bottom of the horizontal part of the linear guide rail (3) is smaller than the distance between the proximal end of the upper inclined plane of the horizontal part of the reverse L-shaped part of the sliding chute (4) relative to the vertical part of the reverse L-shaped part of the sliding chute (4) and the bottom of the horizontal part of the linear guide rail (3).
8. The movable die plate positioning and locking mechanism for the die casting machine according to claim 1, characterized in that: the middle part of the adjusting block (13) is provided with an embedding groove (15), and the top of the adjusting screw (14) is embedded into the embedding groove (15) with the cross section of the inner cavity forming a convex shape and can freely move relative to the embedding groove (15); and the shoulder part of the embedding groove (15) is embedded into an annular groove (16) at the top of the adjusting screw rod (14).
9. The movable die plate positioning and locking mechanism for the die casting machine according to claim 1, characterized in that: a plurality of groups of adjusting blocks (13) and adjusting screws (14) are arranged along the extension direction of the linear guide rail (3).
CN201822036391.9U 2018-12-06 2018-12-06 Movable template positioning and locking mechanism for die casting machine Active CN209918857U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822036391.9U CN209918857U (en) 2018-12-06 2018-12-06 Movable template positioning and locking mechanism for die casting machine

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Application Number Priority Date Filing Date Title
CN201822036391.9U CN209918857U (en) 2018-12-06 2018-12-06 Movable template positioning and locking mechanism for die casting machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109396391A (en) * 2018-12-06 2019-03-01 江苏新佳晨精密机械科技有限公司 Moving template position and lock mechanism for die casting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109396391A (en) * 2018-12-06 2019-03-01 江苏新佳晨精密机械科技有限公司 Moving template position and lock mechanism for die casting machine

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