CN214977659U

CN214977659U - Sliding block structure of die casting die

Info

Publication number: CN214977659U
Application number: CN202120914984.XU
Authority: CN
Inventors: 任飞; 付永明; 胡川; 罗俊; 段理; 徐强
Original assignee: Chongqing Merican Technology Co ltd
Current assignee: Chongqing Merican Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-03
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a die casting die's slider structure, its characterized in that: including moving framed, cover half frame, slider, wherein moving framed and cover half frame set up relatively, the slider pass through the slide set up in on the moving framed, the slider has the shaping position of constituteing the product die cavity along direction of motion's front end, the slide is through built-in hydro-cylinder drive on the moving framed, the hydro-cylinder pass through the slider motion plate with the slide is connected, hydro-cylinder, slide are located the same one side of slider motion plate, concave structure has on the slide, have on the cover half frame with the convex type structure that concave structure suited for during the compound die the cover half frame can wedge tightly the slide. The beneficial effects of the utility model include: the interference of the sliding block with a die casting machine and peripheral equipment is avoided, the sliding block structure is stable in operation, high in reliability and low in failure rate, the requirement of large sliding block drawing and inserting can be met by the small-specification oil cylinder, and the manufacturing cost is low.

Description

Sliding block structure of die casting die

Technical Field

The utility model relates to a die casting die field, concretely relates to die casting die's slider structure.

Background

Die-casting is one kind and installs the good mould of making on the die casting machine to the alloy liquid that will smelt pours into the pressure room, and the injection drift promotes the alloy liquid with high-speed high pressure and fills the precision forming technology of mould die cavity, and the part that this technology was made is with low costs, and is efficient, and the quality is light etc. advantage, therefore the wide application is rubbed in vapour, communication, general machine field, when the product of its production has the concave structure in the outside, then corresponding slider structure of its mould need design, and traditional slider structure has two kinds: firstly, an external oil cylinder is connected with a sliding block seat and then connected with a sliding block, and the oil cylinder drives the sliding block seat and the sliding block to insert and extract the sliding block, so that the structure is characterized by stability, the defects that the whole structure occupies large external space, the oil cylinder is easy to cause interference between an oil cylinder support and a die casting machine and peripheral equipment, the required oil cylinder specification is large, and the cost is high; and secondly, an inclined pin structure is adopted, the structure of the inclined pin structure controls the insertion slide block and the drawing slide block through a spring and an inclined guide post, the inclined pin structure is characterized by simple structure, low cost and high stability and failure rate, and the inclined pin is easy to interfere with a workpiece taking and spraying manipulator and is not suitable for a large slide block.

Disclosure of Invention

To the weak point among the above-mentioned prior art, the utility model provides a can avoid the slider structure who interferes with equipment, overcome the shortcoming of telling two kinds of slider structures on, realize die casting die slider structure and both can not interfere with die casting machine and peripheral equipment, can realize steady operation simultaneously, and the fault rate is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a die casting die's slider structure which characterized in that: including moving framed, cover half frame, slider, wherein moving framed and cover half frame set up relatively, the slider pass through the slide set up in on the moving framed, the slider has the shaping position of constituteing the product die cavity along direction of motion's front end, the slide is through built-in hydro-cylinder drive on the moving framed, the hydro-cylinder pass through the slider motion plate with the slide is connected, hydro-cylinder, slide are located the same one side of slider motion plate, concave structure has on the slide, have on the cover half frame with the convex type structure that concave structure suited for during the compound die the cover half frame can wedge tightly the slide.

Further, be provided with on the movable mould frame and lead to the slide guide way that the is spacing to the slide, the slide bottom be provided with slide guide way sliding fit's slide locating piece, thereby realize the slide is in spacing about the horizontal plane on the movable mould frame, still be provided with on the movable mould frame right the slide carries out the spacing slider layering of vertical direction.

And furthermore, sliding seat guide bars for supporting the bottom surface of the sliding seat are symmetrically arranged on two sides of the sliding seat guide groove.

Furthermore, a concave cavity for accommodating the oil cylinder is formed in the movable mold frame, a cylinder body part of the oil cylinder is fixedly connected with the movable mold frame, and a piston of the oil cylinder is in limit connection with a piston rod groove in the sliding block moving plate.

Furthermore, a plurality of guide pillars are arranged on the movable mould frame, and a plurality of guide sleeves which are in sliding fit with the guide pillars are arranged on the slide block moving plate.

Furthermore, a disc spring fixing column is arranged on the sliding block moving plate, a disc spring is sleeved on the disc spring fixing column, and two ends of the disc spring are respectively limited between the moving die frame and the sliding block moving plate.

Furthermore, a stroke control rod is arranged on the sliding block moving plate, and a stroke switch matched with the stroke control rod is arranged on the moving die frame.

Further, the terminal surface is the inclined plane to the slope of recess middle part before the spill mechanism on the slide, protruding type structure on the cover half frame before the terminal surface be provided with the protruding slide wedging piece forward of terminal surface complex cover half before the concave structure, the rear end of concave structure is provided with middle part bellied slide wedging piece forward, the rear end of protruding type structure is provided with big end up's cover half back wedging piece down.

The beneficial effects of the utility model include: the sliding block structure is arranged in the range of the movable die, so that the interference of the sliding block with a die casting machine and peripheral equipment is avoided, the sliding block structure is stable in operation, high in reliability and low in failure rate, the small-specification oil cylinder can meet the requirement of pulling and inserting the large sliding block, and the manufacturing cost is low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural diagram of the side of the middle moving mold of the present invention;

FIG. 3 is a cross-sectional structural view of the present invention;

fig. 4 is a schematic view of the slider structure of the present invention;

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

In the figure: the device comprises a movable die frame 1, a fixed die frame 2, an oil cylinder 31, a travel switch 4, a travel control rod 5, a travel control rod fixing block 6, a disc spring 7, a disc spring fixing column 8, a slider moving plate 9, a guide pillar 10, a guide sleeve 11, a fixed die front oblique tightening block 12, a slider seat oblique tightening block 13, a fixed die rear oblique tightening block 14, a slider seat 15, a slider pressing strip 16, a slider 17, a slider seat positioning block 18, a slider seat guide groove 19, a slider seat guide strip 20 and a bolt 21.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

A die casting die slide block structure as shown in figures 1-5 is characterized in that a slide block is positioned on the left upper side of a die and just positioned at the position of a large bar of a die casting machine, and if an outer oil cylinder slide block is arranged at the position, an oil cylinder and an oil cylinder support can interfere with the large bar. Therefore the utility model discloses a new design has been made, including movable mould frame 1, cover half frame 2, slider 3, wherein movable mould frame 1 and cover half frame 2 set up relatively, slide 3 through slide 15 slip set up on movable mould frame 1, slider 3 passes through the bolt and fixes a position the boss and is connected with the front end of slide 15, slider 3 along the direction of motion's front end have with the movable mould, the shaping position of product die cavity is constituteed to the cover half, slide 15 is through the built-in hydro-cylinder 31 drive on movable mould frame 1, hydro-cylinder 31 passes through slider motion board 9 and is connected with slide 15, hydro-cylinder 31, slide 15 is located same one side of slider motion board 9, concave type structure has on slide 15, the protruding type structure that suits with concave type structure has on the cover half frame 2, make cover half frame 2 can wedge slide 15 during the compound die.

As shown in fig. 4-5, a slide guide groove 19 for guiding and limiting the slide 15 is arranged on the movable mold frame 1, a slide positioning block 18 in sliding fit with the slide guide groove 19 is arranged at the bottom of the slide 15, so that the slide 15 is limited on the movable mold frame 1 in the left-right direction of the horizontal plane, and a slide pressing bar 16 for limiting the slide 15 in the vertical direction is further arranged on the movable mold frame 1. Slide guide bars 20 for supporting the bottom surface of the slide 15 are symmetrically arranged on both sides of the slide guide groove 19 to reduce the contact surface between the slide 15 and the movable mold frame 1.

As shown in fig. 5, the movable mold frame 1 has a cavity for accommodating the oil cylinder 31, the cylinder body of the oil cylinder 31 is fixedly connected to the movable mold frame 1, and the piston of the oil cylinder 31 is in limit connection with the piston rod groove of the slide block moving plate 9. Because the slide block moving plate 9 is installed and connected with the slide seat 15, the oil cylinder 31 arranged in the movable mold frame 1 can drive the whole slide seat 15 to move in a drawing and inserting mode, and the interference between the external installation space of the oil cylinder 31 and other structures is eliminated.

The movable mould frame 1 is provided with a plurality of guide posts 10, and the slide block moving plate 9 is provided with a plurality of guide sleeves 11 which are in sliding fit with the guide posts 10. The slide block can effectively move and reset, the movement and reset accuracy is improved, and the clamping stagnation problem caused by unbalanced local stress is greatly reduced.

Two sets of disc spring fixing columns 8 are arranged on the sliding block moving plate 9, disc springs 7 are sleeved on the disc spring fixing columns 8, and two ends of each disc spring 7 are limited between the moving die frame 1 and the sliding block moving plate 9 respectively. The disc springs are selected according to the component force of the gravity of the sliding block in the moving direction of the sliding block, the disc springs are matched when the sliding block is in a static state, the sliding block moving plates compress the disc springs when the sliding block is inserted into the two groups of disc springs, the back compression force of the disc springs counteracts a part of the pulling force of the oil cylinder and the component force of the gravity of the sliding block in the moving direction of the sliding block, and the disc springs are compressed to the limit to form a slip-stopping block so as to prevent the sliding block from continuously moving forwards due to inertia and crush the sliding block when the sliding block is closed; when the sliding block is pulled out, the disc spring resets to push the sliding block moving plate to pull out the sliding block, the resetting effect is started, and meanwhile, the resetting elasticity of the disc spring can overcome the component force of the gravity of the sliding block in the moving direction of the sliding block, so that the pushing force of the oil cylinder for pulling out the sliding block is increased; meanwhile, the disc spring is positioned at the position close to the center of the sliding block seat and the oil cylinder, the stress of the whole structure can be balanced, and the stability of the process of inserting the sliding block and drawing the sliding block is improved.

The slide block moving plate 9 is provided with a stroke control rod 5 fixed through a stroke rod connecting piece 6, the movable mold frame 1 is provided with a stroke switch 4 matched with the stroke control rod 5 for use, and the structure is used for feeding back the moving state and the moving position of the slide block 3 so as to feed back the moving state and the moving position to the die casting machine to implement the next action.

As shown in fig. 3, the front end face of the concave structure on the slide seat 15 is an inclined plane inclined towards the middle of the concave structure, the front end face of the convex structure on the fixed mold frame 2 is provided with a fixed mold front wedge block 12 matched with the front end face of the concave structure, the rear end face of the concave structure is provided with a slide seat wedge block 13 with a middle part protruding forwards, and the rear end of the convex structure is provided with a fixed mold rear wedge block 14 with a large lower part and a small upper part. The oblique compact surface of cover half front wedge tight block 12 becomes 12 angles with the horizontal plane, and cover half front wedge tight block 12 is right triangle structure, and the rear end is provided with a plurality of screw holes and a constant head tank, is connected with cover half frame 2 through screw hole and constant head tank. The fixed die rear wedge block 14 is of an L-shaped structure, the back side of the fixed die rear wedge block is provided with a positioning step, the end face of the fixed die rear wedge block is provided with a plurality of bolt through holes, the fixed die rear wedge block is connected with the fixed die frame 2 through the bolt holes and the positioning step, the upper end 1/2 area of the front side is a vertical plane, the lower end 1/2 area forms an angle of 100 degrees with the horizontal plane, the lower end 1/2 area close to the fixed die frame is a vertical plane, and the upper end 1/2 area forms an angle of 100 degrees with the horizontal plane. The slide wedge block 13 is of a V-shaped structure, the 1/2 area at the upper end of the slide wedge block is 112 degrees with the horizontal plane, the 1/2 area at the lower end of the slide wedge block is-10 degrees with the horizontal plane, the rear wedge block 14 of the fixed die is matched with the slide wedge block 13 at the 10 degrees inclined plane below the slide wedge block during die assembly, meanwhile, the inclined plane at the front side of the concave structure is matched with the fixed die front wedging block 12, so that the accuracy of the sliding block 3 after die assembly is better ensured, the problem that the sliding block 3 is easy to retreat when being pressed is greatly avoided, when the mold is opened, the matched inclined surface applies an outward force to the sliding block seat 15 to drive the sliding block 3 to be demolded, so that the sliding block 3 is separated from the molding surface of a product, the holding force on the sliding block 3 is eliminated, the resistance of the drawing sliding block 3 is smaller, the small-sized oil cylinder can meet the drawing check requirement of the large-sized sliding block, the space requirement and the low cost of the whole structure are reduced, and meanwhile, the reliable operation of the whole structure is realized.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a die casting die's slider structure which characterized in that: comprises a movable mould frame (1), a fixed mould frame (2) and a sliding block (3), wherein the movable mould frame (1) and the fixed mould frame (2) are arranged oppositely, the sliding block (3) is arranged on the movable mould frame (1) in a sliding way through a sliding seat (15), the front end of the sliding block (3) along the moving direction is provided with a molding part forming a product cavity, the sliding seat (15) is driven by an oil cylinder (31) arranged on the movable mould frame (1), the oil cylinder (31) is connected with the sliding seat (15) through a sliding block moving plate (9), the oil cylinder (31) and the sliding seat (15) are positioned on the same side of the sliding block moving plate (9), the slide seat (15) is provided with a concave structure, the fixed mould frame (2) is provided with a convex structure matched with the concave structure, so that the fixed die frame (2) can wedge the sliding seat (15) when the die is closed.

2. The slide block structure of a die casting mold as claimed in claim 1, wherein: move and be provided with on framed (1) and lead to spacing slide guide way (19) to slide (15), slide (15) bottom be provided with slide guide way (19) sliding fit's slide locating piece (18), thereby realize slide (15) are in it is spacing about the horizontal plane on framed (1) moves, it is right still to be provided with on framed (1) slide (15) carry out spacing slider layering (16) of vertical direction.

3. The slide block structure of a die casting mold as claimed in claim 2, wherein: and sliding seat guide bars (20) for supporting the bottom surface of the sliding seat (15) are symmetrically arranged on two sides of the sliding seat guide groove (19).

4. The slide block structure of a die casting mold as claimed in claim 1, wherein: the movable die frame (1) is provided with a concave cavity for accommodating the oil cylinder (31), the body part of the oil cylinder (31) is fixedly connected with the movable die frame (1), and a piston of the oil cylinder (31) is in limit connection with a piston rod groove on the sliding block moving plate (9).

5. The slide block structure of a die casting mold as claimed in claim 1, wherein: the movable die frame (1) is provided with a plurality of guide columns (10), and the slide block moving plate (9) is provided with a plurality of guide sleeves (11) which are in sliding fit with the guide columns (10).

6. The slide block structure of a die casting mold as claimed in claim 1, wherein: the disc spring fixing device is characterized in that a disc spring fixing column (8) is arranged on the sliding block moving plate (9), a disc spring (7) is sleeved on the disc spring fixing column (8), and two ends of the disc spring (7) are respectively limited between the movable die frame (1) and the sliding block moving plate (9).

7. The slide block structure of a die casting mold as claimed in claim 1, wherein: the slide block moving plate (9) is provided with a stroke control rod (5), and the moving die frame (1) is provided with a stroke switch (4) matched with the stroke control rod (5).

8. The slide block structure of a die casting mold as claimed in claim 1, wherein: the terminal surface is for the inclined plane to concave structure middle part slope before the concave structure on slide (15), protruding type structure on decide die frame (2) before the terminal surface be provided with preceding wedging piece (12) of terminal surface complex cover half before the concave structure, the rear end face of concave structure is provided with middle part bellied slide wedging piece (13) forward, the rear end of protruding type structure is provided with big end down behind the cover half wedging piece (14).