CN217990895U

CN217990895U - Bicycle rim plate die casting die

Info

Publication number: CN217990895U
Application number: CN202221878318.6U
Authority: CN
Inventors: 王振
Original assignee: Tianjin Haoxing Industry And Trade Co ltd
Current assignee: Tianjin Haoxing Industry And Trade Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-09
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to a bicycle rim plate processing field specifically is a bicycle rim plate die casting die, including the cover half, the shaping groove has been seted up to the intermediate position at cover half top, the interior bottom surface fixedly connected with kicking block in shaping groove, four fan-shaped grooves have been seted up along the circumference equidistance in the top of cover half, the spout has been seted up on the surface in fan-shaped groove. In the utility model, when the movable mold moves downwards to be matched with the fixed mold to be subjected to die-casting molding, the ejector block is pressed in the positioning sleeve, so that the two L-shaped pull blocks move back to back and are inserted into the clamping groove, and the L-shaped pull block hooks out the wheel disc in the molding groove during mold removal, thereby realizing the effect of automatic material taking; when the movable mould and the fixed mould are closed, the pressure rod is abutted against the trapezoidal block and the side plate to move, so that the side plate is matched with the forming groove to be subjected to die-casting forming, and when the mould is disassembled, the compression spring drives the side plate to move to remove the contact with the wheel disc, the contact area between the mould and the wheel disc teeth is reduced, the wheel disc is conveniently taken out from the inside of the forming groove, and the use is convenient.

Description

Bicycle wheel disc die casting die

Technical Field

The utility model relates to a bicycle rim plate processing field specifically is a bicycle rim plate die casting die.

Background

A bicycle wheel disc is an important bicycle accessory used to convert human power into rotation of a wheel to power a bicycle, and is generally formed by die casting.

After the existing partial bicycle wheel disc die-casting die is processed and molded, the wheel disc is easy to adhere to the surface of a cavity, the effect of automatically taking materials in the die removing process is difficult to realize, and the use convenience is poor; because the outer ring of the wheel disc is provided with teeth, the contact area between the teeth and the die is large after the wheel disc is formed, and the teeth are easily clamped in the inner cavity of the die in the process of taking out the wheel disc, so that the wheel disc is inconvenient to take out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bicycle rim plate die casting die to solve the problem that proposes in the above-mentioned background art: 1. the automatic material taking is difficult to realize when the existing part of bicycle wheel disc is demolded, and 2, the existing part of bicycle wheel disc is demolded to enable teeth to be clamped on an inner cavity of a die easily. In order to achieve the above object, the utility model provides a following technical scheme: a die-casting die for a bicycle wheel disc comprises a fixed die, wherein a forming groove is formed in the middle of the top of the fixed die, and a top block is fixedly connected to the inner bottom surface of the forming groove;

the top of the fixed die is provided with four fan-shaped grooves at equal intervals along the circumference, the surfaces of the fan-shaped grooves are provided with sliding grooves, the inner parts of the sliding grooves are connected with side plates in a sliding manner, compression springs are movably connected between the surfaces of the side plates and the inner walls of the sliding grooves, and trapezoidal blocks are fixedly connected to the opposite sides of the four side plates;

the top of the fixed die is movably connected with a movable die, the bottom of the movable die is fixedly connected with four pressure rods at equal intervals along the circumference, and the four pressure rods respectively correspond to the four trapezoidal blocks one by one;

the middle position fixedly connected with of movable mould bottom and kicking block matched with position sleeve, the upper portion fixedly connected with slide bar of position sleeve inner wall, the surface symmetry sliding connection of slide bar has the L type to draw the piece, two the lateral wall that the piece was drawn to the L type all with adjacent swing joint has reset spring between the inner wall of position sleeve, the draw-in groove has been seted up to the interior bottom surface symmetry of shaping groove, two the L type draw the piece respectively with two the draw-in groove one-to-one.

Preferably, a guide rod is fixedly connected between two sides of the inner wall of the sliding groove, a sliding block is fixedly connected to the bottom of the side plate, the sliding block is connected to the surface of the guide rod in a sliding mode, and the compression spring is movably sleeved on the surface of the guide rod.

Preferably, the top of the fixed die is symmetrically and fixedly connected with guide rods, an equipment mounting plate is fixedly connected between the tops of the two guide rods, and the movable die is connected between the two guide rods in a sliding manner;

the middle part fixedly connected with hydraulic telescoping rod of equipment mounting panel, hydraulic telescoping rod's one end and the top fixed connection of movable mould.

Preferably, the ejector block and the positioning sleeve are arranged on the same axis, a stop block is fixedly connected to the inner top surface of the positioning sleeve, and the lower portion of the stop block is fixedly connected with the surface of the guide rod.

Preferably, the lower part of the L-shaped pulling block is provided with a chamfer, and the top block is a conical block matched with the L-shaped pulling block.

Preferably, the bottom of the pressure lever is arc-shaped.

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

the utility model discloses in, use through the cooperation of parts such as kicking block, movable mould and position sleeve, move down when the movable mould advances the die-casting shaping with the cover half cooperation, the kicking block supports to press inside the position sleeve, makes two L types draw the piece and carry on the back the other side the removal and insert in the inside of draw-in groove, and the L type draws the piece to collude the rim plate that becomes inslot portion when form removal, realizes the automatic effect of getting the material.

The utility model discloses in, use through the cooperation of parts such as curb plate, compression spring and trapezoidal piece, when movable mould and cover half compound die, the depression bar supports to press trapezoidal piece and curb plate to remove, makes curb plate and shaping groove cooperation carry out die-casting shaping, and during the form removal, compression spring takes the curb plate to remove the contact of removing with the rim plate, reduces the area of mould and rim plate tooth contact, makes things convenient for the rim plate to take out from shaping inslot portion.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is a top view of the cover half position of the present invention.

In the figure: 1. fixing a mold; 2. forming a groove; 3. a top block; 4. a sector groove; 5. a chute; 6. a side plate; 7. a compression spring; 8. a trapezoidal block; 9. moving the mold; 10. a pressure lever; 11. a positioning sleeve; 12. a slide bar; 13. an L-shaped pull block; 14. a return spring; 15. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a bicycle rim plate die casting die, includes cover half 1, and shaping groove 2, the interior bottom surface fixedly connected with kicking block 3 in shaping groove 2 have been seted up to the intermediate position at cover half 1 top.

Four fan-shaped grooves 4 have been seted up along circumference equidistance at the top of cover half 1, and spout 5 has been seted up on the surface of fan-shaped groove 4, and the inside sliding connection of spout 5 has curb plate 6, and swing joint has compression spring 7 between the surface of curb plate 6 and the inner wall of spout 5, and the equal fixedly connected with trapezoidal piece 8 in one side that four curb plates 6 carried on the back mutually.

The top swing joint of cover half 1 has movable mould 9, four depression bars 10 of circumference equidistance fixedly connected with are followed to the bottom of movable mould 9, four depression bars 10 respectively with four trapezoidal pieces 8 one-to-one, when movable mould 9 and cover half 1 compound die, depression bar 10 supports and presses on trapezoidal piece 8 surfaces, trapezoidal piece 8 pressurized area takes curb plate 6 to slide in spout 5 is inside, make curb plate 6 and the cooperation of shaping groove 2 carry out the die-casting shaping, when removing the mould, compression spring 7 takes curb plate 6 to reset and removes the contact of removing with the rim plate, reduce the area of mould and the contact of rim plate tooth, make things convenient for the rim plate to take out from shaping 2 insides.

The middle position fixedly connected with of movable mould 9 bottom and kicking block 3 matched with position sleeve 11, the upper portion fixedly connected with slide bar 12 of position sleeve 11 inner wall, the surface symmetry sliding connection of slide bar 12 has L type to draw piece 13, swing joint has reset spring 14 between the lateral wall of two L type drawing pieces 13 and the inner wall of adjacent position sleeve 11, draw-in groove 15 has been seted up to the interior bottom surface symmetry of shaping groove 2, two L type drawing pieces 13 respectively with two draw-in grooves 15 one-to-one, in the use, when movable mould 9 moves down and the cooperation of cover half 1 advances the die-casting shaping, kicking block 3 supports and presses inside the position sleeve 11, kicking block 3 supports and presses two L type drawing pieces 13 and moves back to back on the other hand at this moment, when position sleeve 11 and shaping groove 2 contact, L type drawing piece 13 pegs graft in the inside of draw-in groove 15, L type drawing piece 13 moves along with movable mould 9 when removing the mould, collude the rim plate in the shaping groove 2 inside, realize the effect of getting the material automatically.

In this embodiment, as shown in fig. 1 and 3, a guide rod is fixedly connected between two sides of the inner wall of the chute 5, a slider is fixedly connected to the bottom of the side plate 6, the slider is slidably connected to the surface of the guide rod, and the compression spring 7 is movably sleeved on the surface of the guide rod. The guide bar arrangement promotes the stability of the movement of the side plates 6.

In this embodiment, as shown in fig. 1 and 3, the top of the fixed mold 1 is symmetrically and fixedly connected with guide rods, an equipment mounting plate is fixedly connected between the tops of the two guide rods, and the movable mold 9 is slidably connected between the two guide rods.

The middle part fixedly connected with hydraulic telescoping rod of equipment mounting panel, hydraulic telescoping rod's one end and the top fixed connection of movable mould 9.

In this embodiment, as shown in fig. 1, the top block 3 and the positioning sleeve 11 are on the same axis, the inner top surface of the positioning sleeve 11 is fixedly connected with a stopper, and the lower portion of the stopper is fixedly connected with the surface of the guide rod. When the movable die 9 moves downwards, the top block 3 is inserted into the positioning sleeve 11.

In this embodiment, as shown in fig. 1 and 2, the lower portion of the L-shaped pulling block 13 is provided with a chamfer, and the top block 3 is a tapered block that fits with the L-shaped pulling block 13. When the top block 3 is inserted into the positioning sleeve 11, the top block 3 will press the two L-shaped pull blocks 13 to move back to back.

In this embodiment, as shown in fig. 1, the bottom of the pressing rod 10 is formed in an arc shape.

The utility model discloses a use method and advantage: this bicycle rim plate die casting die, the working process as follows:

as shown in fig. 1, 2 and 3, when the die-casting die is used, when the movable die 9 moves downwards to be matched with the fixed die 1 to be subjected to die-casting forming, the ejector block 3 is pressed inside the positioning sleeve 11, at the moment, the ejector block 3 presses two L-shaped pull blocks 13 to move back to back, when the positioning sleeve 11 is contacted with the forming groove 2, the L-shaped pull blocks 13 are inserted into the clamping grooves 15, and when the die is removed, the L-shaped pull blocks 13 move along with the movable die 9 to hook out a wheel disc inside the forming groove 2, so that the effect of automatically taking materials is realized; when the movable die 9 and the fixed die 1 are assembled, the pressing rod 10 abuts against the surface of the trapezoidal block 8, the trapezoidal block 8 is pressed to drive the side plate 6 to slide in the sliding groove 5, the side plate 6 is matched with the forming groove 2 to perform die-casting forming, and when the die is disassembled, the compression spring 7 drives the side plate 6 to reset and move to remove contact with the wheel disc, so that the contact area of the die and the teeth of the wheel disc is reduced, and the wheel disc is convenient to take out from the inside of the forming groove 2.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The skilled worker in this industry should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the preferred embodiments of the present invention, and does not limit the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bicycle rim plate die casting die, includes cover half (1), its characterized in that: a forming groove (2) is formed in the middle of the top of the fixed die (1), and a top block (3) is fixedly connected to the inner bottom surface of the forming groove (2);

the top of the fixed die (1) is provided with four fan-shaped grooves (4) at equal intervals along the circumference, the surfaces of the fan-shaped grooves (4) are provided with sliding grooves (5), the inner parts of the sliding grooves (5) are connected with side plates (6) in a sliding manner, compression springs (7) are movably connected between the surfaces of the side plates (6) and the inner walls of the sliding grooves (5), and one sides of the four side plates (6) opposite to each other are fixedly connected with trapezoidal blocks (8);

the top of the fixed die (1) is movably connected with a movable die (9), the bottom of the movable die (9) is fixedly connected with four pressure rods (10) at equal intervals along the circumference, and the four pressure rods (10) are respectively in one-to-one correspondence with the four trapezoidal blocks (8);

the utility model discloses a mould, including movable mould (9), ejector pad (3), locating sleeve (11), upper portion fixedly connected with slide bar (12) of locating sleeve (11) inner wall, the surface symmetry sliding connection of slide bar (12) has the L type to draw piece (13), two the lateral wall that the piece (13) was drawn to the L type all with adjacent swing joint has reset spring (14) between the inner wall of locating sleeve (11), draw-in groove (15) have been seted up to the interior bottom surface symmetry of shaping groove (2), two draw piece (13) with two respectively to the L type draw-in groove (15) one-to-one.

2. The bicycle wheel disc die casting mold of claim 1, wherein: the guide rod is fixedly connected between two sides of the inner wall of the sliding groove (5), the sliding block is fixedly connected to the bottom of the side plate (6), the sliding block is connected to the surface of the guide rod in a sliding mode, and the compression spring (7) is movably sleeved on the surface of the guide rod.

3. The bicycle wheel disc die casting mold of claim 1, wherein: the top of the fixed die (1) is symmetrically and fixedly connected with guide rods, an equipment mounting plate is fixedly connected between the tops of the two guide rods, and the movable die (9) is connected between the two guide rods in a sliding manner;

the middle part of the equipment mounting plate is fixedly connected with a hydraulic telescopic rod, and one end of the hydraulic telescopic rod is fixedly connected with the top of the movable mold (9).

4. The bicycle wheel disc die casting mold of claim 1, wherein: the ejector block (3) and the positioning sleeve (11) are arranged on the same axis, a stop block is fixedly connected to the inner top surface of the positioning sleeve (11), and the lower portion of the stop block is fixedly connected with the surface of the guide rod.

5. The bicycle wheel disc die-casting mold as claimed in claim 1, wherein: a chamfer is formed in the lower portion of the L-shaped pulling block (13), and the top block (3) is a conical block matched with the L-shaped pulling block (13).

6. The bicycle wheel disc die-casting mold as claimed in claim 1, wherein: the bottom of the pressure lever (10) is arc-shaped.