Casting forming device for brake drum of drum brake

Abstract

The utility model discloses a brake drum casting and forming device of a drum brake, and relates to the technical field of brake drum casting and forming, the brake drum casting and forming device of the drum brake comprises a base, the main body of the base is of a rectangular structure, and the brake drum casting and forming device is provided with a guide shaft capable of rotating around a moving seat. Through the arrangement of the mounting plate, when the turnover driving device is used, a motor mounted on the outer side of the mounting plate can be started to rotate and drive bevel gears, rapid turnover driving of a current seat body and a mold is achieved through meshing transmission between the bevel gears, and a circulating pipe, a liquid inlet pipe and a liquid outlet pipe are mounted between the base and the bottom plate; according to the mold cooling device, the circulating pipe is arranged, so that when the mold is formed and needs to be cooled, efficient circulating operation can be conducted on cooling liquid through the circulating pipe, when the mold cooling device is used, rapid cooling operation on the mold can be achieved, and then the purpose of assisting demolding is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of brake drum casting and molding, in particular to a drum type brake drum casting and molding device. Background Art

[0002] The brake drum is a friction pair of a drum brake. In addition to having the strength and rigidity required as a component, it should also have a friction coefficient as high and stable as possible, as well as appropriate wear resistance, heat resistance, heat dissipation and heat capacity. The existing patent is a bimetallic brake drum casting molding device. Patent announcement number CN220532917U provides a bimetallic brake drum casting molding device, including a lower sand box, an upper sand box buckled on the top side of the lower sand box, an upper sand mold and a lower sand mold are respectively arranged in the upper sand box and the lower sand box, a casting system connected to the lower sand mold is arranged through the upper sand mold, and the lower sand mold is provided with a plurality of cavities with openings facing upwards, and a resin sand core is embedded in the cavity. The bottom side of the resin sand core and the bottom of the cavity form a bottom cavity for accommodating the brake drum steel plate, and a casting cavity is formed between the resin sand core and the side wall of the cavity, and the bottom of the casting cavity is connected to the edge of the brake drum steel plate. The utility model aims to provide a bimetallic brake drum casting device, wherein a plurality of cavities are arranged in the device, each cavity is provided with a resin sand core, and a resin sand core runner is arranged on the resin sand core to avoid sand flushing during the box assembly and casting process, so that the casting effect of the brake drum is good and the casting finished product rate is high.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: although the mold cavity can be used during use, due to the lack of an effective mold flipping structure, the mold needs to be manually tilted and flipped during flipping, which makes it easy for the mold to be bumped during flipping, causing damage to the internal casting. Therefore, we propose a drum brake drum casting molding device to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a drum brake drum casting and molding device, which solves the problem that during use, due to the lack of an effective mold flipping structure, the mold needs to be manually tilted and flipped when flipping, which makes it easy for the mold to be bumped when flipping, causing damage to the internal casting.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a drum brake drum casting molding device, including a base, the main body of the base is a rectangular structure, and a circulation pipe is fixedly connected to the top end surface of the base, the circulation pipe is a copper tube structure, and a liquid inlet pipe is fixedly connected to the left end surface of the circulation pipe, the liquid inlet pipe and the circulation pipe are connected, and a liquid outlet pipe is also fixedly connected to the right end surface of the circulation pipe, the liquid outlet pipe is also connected to the circulation pipe, and the liquid inlet pipe is connected to the liquid outlet pipe through the circulation pipe, and a heat conduction plate is fixedly connected to the top end surface of the base.

[0006] Preferably, the main body of the guide rail is an L-shaped structure, and the guide rail is provided at two locations, the two guide rails are fixedly connected to the left and right side surfaces of the base in opposite directions, and a longitudinal groove is provided inside the longitudinal component of the guide rail.

[0007] Preferably, the heat conducting plate is arranged longitudinally and perpendicular to the base, and the heat conducting plate is fixedly connected to the top surface of the base in a linear array, and the top surface of the heat conducting plate is also fixedly connected to a bottom plate, the main body of the bottom plate is a rectangular structure, and a guide rail is fixedly connected to the outer side of the base.

[0008] Preferably, a hydraulic rod is installed inside the longitudinal groove opened in the guide rail, and a moving seat is installed on the top output end of the hydraulic rod, and a sliding block is fixedly connected to the outer side of the moving seat. The sliding blocks are provided at four places, and every two longitudinally adjacent sliding blocks form a group.

[0009] Preferably, the two groups of sliders are fixedly connected oppositely to the front and rear side surfaces of the two moving seats, the moving seat is slidably connected in the guide rail through the sliders fixedly connected to the outer side thereof, and the outer side of the moving seat is fixedly connected with a mounting plate.

[0010] Preferably, the mounting plate and the movable seat are arranged vertically, and a motor is installed on the bottom end surface of the mounting plate, and an output shaft is arranged on the top end of the motor.

[0011] Preferably, a bevel gear is installed on the output shaft installed on the top of the motor, and the motor and the bevel gear together constitute a driving structure, and a through hole is opened inside the movable seat, a bearing seat is installed inside the through hole, a guide shaft is rotatably connected inside the bearing seat, and a bevel gear is also fixedly connected to the side of the guide shaft close to the mounting plate, and the inner sides of the two guide shafts are also fixedly connected to a seat body, the seat body is a rectangular box structure, a mold is placed inside the seat body, and fixing bolts are installed on the front and rear sides of the seat body.

[0012] Beneficial Effects

[0013] The utility model provides a drum brake drum casting molding device. Compared with the prior art, it has the following beneficial effects:

[0014] The drum brake drum casting molding device is provided with a guide shaft that can rotate around a movable seat, so that when it is in use, it can start the motor installed on the outer side of the mounting plate to drive the bevel gear to rotate, and realize the rapid flipping drive of the current seat body and the mold through the meshing transmission between the bevel gears, so that the demolding efficiency of the mold can be significantly improved when it is in use.

[0015] The drum brake drum casting molding device has a circulation pipe, a liquid inlet pipe and a liquid outlet pipe installed between the base and the bottom plate, so that when the mold needs to be cooled after molding, the cooling liquid can be efficiently circulated through the circulation pipe, so that when it is used, the mold can be quickly cooled down, thereby achieving the purpose of assisting demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front side structural schematic diagram of the casting molding device of the utility model when the seat body is in a flipped state;

[0017] Figure 2 It is a schematic diagram of the top and side view of the casting molding device of the utility model;

[0018] Figure 3 It is a schematic diagram of the combined structure of the guide rail and hydraulic rod of the casting molding device of the utility model;

[0019] Figure 4 It is a schematic diagram of the combined structure of the heat conducting plate and the bottom plate of the casting molding device of the utility model;

[0020] Figure 5 It is a front structural schematic diagram of the casting molding device of the utility model;

[0021] Figure 6 It is a schematic diagram of the combined structure of the base body and the mold of the casting molding device of the utility model.

[0022] In the figure: 1. base; 101. circulation pipe; 102. liquid inlet pipe; 103. liquid outlet pipe; 104. heat conduction plate; 105. bottom plate; 2. guide rail; 201. hydraulic rod; 202. moving seat; 203. slider; 3. mounting plate; 301. motor; 302. guide shaft; 303. bevel gear; 304. seat body; 305. mold; 306. fixing bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 6 The utility model provides a technical solution: a drum brake drum casting molding device, including a base 1, the main body of the base 1 is a rectangular structure, and a circulation pipe 101 is fixedly connected to the top surface of the base 1, the circulation pipe 101 is a copper tube structure, and a liquid inlet pipe 102 is fixedly connected to the left end surface of the circulation pipe 101, the liquid inlet pipe 102 is connected with the circulation pipe 101, and a liquid outlet pipe 103 is also fixedly connected to the right end surface of the circulation pipe 101, and the liquid outlet pipe 103 is also connected to the circulation pipe 101, and the liquid inlet pipe 102 is connected to the liquid outlet pipe 103 through the circulation pipe 101, and a heat conducting plate 104 is fixedly connected to the top surface of the base 1;

[0025] By fixing the heat conducting plate 104 on the outer side of the circulation pipe 101 , when the circulation pipe 101 is in use, the liquid can be continuously circulated through the circulation pipe 101 , and the heat can be quickly discharged through the heat conducting plate 104 .

[0026] See also Figure 1 , Figure 2 , a bevel gear 303 is installed on the output shaft installed at the top of the motor 301, and the motor 301 and the bevel gear 303 together form a driving structure, and a through hole is opened inside the movable seat 202, and a bearing seat is installed inside the through hole, and a guide shaft 302 is rotatably connected inside the bearing seat, and a bevel gear 303 is also fixedly connected to one side of the guide shaft 302 close to the mounting plate 3, and a seat body 304 is also fixedly connected to the inner side of the two guide shafts 302, and the seat body 304 is a rectangular box structure, and a mold 305 is placed inside the seat body 304, and fixing bolts 306 are installed on both the front and rear sides of the seat body 304;

[0027] By screwing two fixing bolts 306 on the outer side of the seat body 304 , when the mold 305 is assembled to the inner side of the seat body 304 , the fixing bolts 306 can be screwed to the inner side of the seat body 304 to clamp and limit the mold 305 .

[0028] See also Figure 3 , Figure 4, two sets of sliders 203 are fixedly connected to the front and rear side positions of the two moving seats 202 in opposite directions, the moving seat 202 is slidably connected to the guide rail 2 through the sliders 203 fixedly connected to the outside thereof, and the outside of the moving seat 202 is fixedly connected with a mounting plate 3;

[0029] The sliding block 203 is fixedly connected to the outer side of the moving seat 202 , so that when the moving seat 202 is in use, it can move along the longitudinal groove opened in the guide rail 2 through the sliding block 203 fixedly connected to the outer side thereof.

[0030] See also Figure 1 , Figure 2 A hydraulic rod 201 is installed inside the longitudinal groove opened in the guide rail 2, and a moving seat 202 is installed on the top output end of the hydraulic rod 201. A slider 203 is fixedly connected to the outer side of the moving seat 202. The sliders 203 are arranged at four locations, and every two longitudinally adjacent sliders 203 form a group;

[0031] By installing a hydraulic rod 201 inside the guide rail 2 , the height of the moving base 202 can be quickly adjusted by lifting the hydraulic rod 201 when the moving base 202 is moving.

[0032] See also Figure 1 , Figure 5 The main body of the guide rail 2 is an L-shaped structure, and the guide rail 2 is provided at two locations, the two guide rails 2 are fixedly connected to the left and right side positions of the base 1 in opposite directions, and a longitudinal groove is provided inside the longitudinal member of the guide rail 2;

[0033] By being fixedly connected to the guide rail 2 on the outer side of the base 1, it can achieve a guiding and supporting operation for the base 1 when it is in use.

[0034] See also Figure 1 , Figure 6 The heat conducting plate 104 is arranged longitudinally and perpendicularly to the base 1, and the heat conducting plate 104 is fixedly connected to the top surface of the base 1 in a linear array, and the top surface of the heat conducting plate 104 is also fixedly connected to a bottom plate 105, the main body of the bottom plate 105 is a rectangular structure, and the outer side of the base 1 is fixedly connected to a guide rail 2;

[0035] By fixing the bottom plate 105 on the top surface of the heat conducting plate 104 , when the mold 305 and the seat body 304 are placed on the bottom plate 105 , the heat can be quickly discharged by utilizing the arrangement of the bottom plate 105 and the heat conducting plate 104 .

[0036] See also Figure 3 , Figure 4, the mounting plate 3 and the movable seat 202 are vertically arranged, and a motor 301 is installed on the bottom end surface of the mounting plate 3, and an output shaft is arranged on the top end of the motor 301;

[0037] By installing the bevel gear 303 on the top of the motor 301 , the motor 301 can be used to achieve a fast driving operation.

[0038] During operation, when the brake drum in the drum brake is being cast, the mold 305 can be tightened and limited by filling the molding sand into the inner position of the mold 305, and the mold 305 is simultaneously placed in the seat body 304 fixedly connected to the two guide shafts 302, and the fixing bolt 306 is simultaneously screwed to the inner position of the seat body 304, and after the tightening and limiting, the solution can be quickly injected into the inner position of the mold 305 by using the casting channel to perform rapid molding;

[0039] And after the molding is completed, the coolant can be quickly circulated by utilizing the liquid inlet pipe 102 and the liquid outlet pipe 103 arranged on the outside of the circulation pipe 101, so as to achieve the purpose of cooling the current mold 305. And synchronously, when the cooling is completed, the movable seat 202 can be pushed upward by starting the hydraulic rod 201 installed in the guide rail 2, and the seat body 304 can be separated from the bottom plate 105 synchronously. At this time, the guide shaft 302 can be driven to rotate by starting the motor 301 installed on the outside of the mounting plate 3, and the seat body 304 and the mold 305 can be turned over by the meshing transmission between the bevel gears 303 installed on the outside of the guide shaft 302.

[0040] In summary, the device is provided with the heat conducting plate 104 and the bottom plate 105 , so that when the circulation pipe 101 circulates the coolant, the heat can be quickly dispersed by utilizing the arrangement of the heat conducting plate 104 and the bottom plate 105 .

[0041] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A drum brake drum casting device, comprising a base (1), characterized in that: The main body of the base (1) is a rectangular structure, and a circulation pipe (101) is fixedly connected to the top surface of the base (1), the circulation pipe (101) is a copper pipe structure, and a liquid inlet pipe (102) is fixedly connected to the left end surface of the circulation pipe (101), the liquid inlet pipe (102) and the circulation pipe (101) are connected, and a liquid outlet pipe (103) is also fixedly connected to the right end surface of the circulation pipe (101), the liquid outlet pipe (103) is also connected to the circulation pipe (101), and the liquid inlet pipe (102) is connected to the liquid outlet pipe (103) through the circulation pipe (101), and a heat conduction plate (104) is fixedly connected to the top surface of the base (1).

2. The drum brake drum casting molding device according to claim 1, characterized in that: The heat conducting plates (104) are arranged longitudinally and perpendicularly to the base (1), and the heat conducting plates (104) are fixedly connected to the top surface of the base (1) in a linear array, and the top surface of the heat conducting plates (104) is also fixedly connected to a bottom plate (105), the main body of the bottom plate (105) is a rectangular structure, and the outer side of the base (1) is fixedly connected to a guide rail (2).

3. The drum brake drum casting molding device according to claim 2, characterized in that: The main body of the guide rail (2) is an L-shaped structure, and the guide rail (2) is provided at two locations, the two guide rails (2) are fixedly connected to the left and right side surfaces of the base (1) in opposite directions, and a longitudinal groove is provided inside the longitudinal component of the guide rail (2).

4. The drum brake drum casting molding device according to claim 3, characterized in that: A hydraulic rod (201) is installed inside the longitudinal groove provided in the guide rail (2), and a moving seat (202) is installed on the top output end of the hydraulic rod (201). A sliding block (203) is fixedly connected to the outside of the moving seat (202). The sliding blocks (203) are provided at four locations, wherein two longitudinally adjacent sliding blocks (203) form a group.

5. The drum brake drum casting molding device according to claim 4, characterized in that: The two groups of sliders (203) are fixedly connected to the front and rear side surfaces of the two movable seats (202) in opposite directions. The movable seats (202) are slidably connected in the guide rail (2) via the sliders (203) fixedly connected to the outer side thereof, and the outer side of the movable seats (202) is fixedly connected to a mounting plate (3).

6. The drum brake drum casting device according to claim 5, characterized in that: The mounting plate (3) and the movable seat (202) are arranged vertically, and a motor (301) is mounted on the bottom end surface of the mounting plate (3), and an output shaft is arranged on the top end of the motor (301).

7. The drum brake drum casting device according to claim 6, characterized in that: The output shaft installed at the top of the motor (301) is equipped with a bevel gear (303), and the motor (301) and the bevel gear (303) together form a driving structure. A through hole is opened inside the movable seat (202), and a bearing seat is installed inside the through hole. The guide shaft (302) is rotatably connected inside the bearing seat. The side of the guide shaft (302) close to the mounting plate (3) is also fixedly connected to the bevel gear (303), and the inner sides of the two guide shafts (302) are also fixedly connected to a seat body (304). The seat body (304) is a rectangular box structure, and a mold (305) is placed inside the seat body (304), and fixing bolts (306) are installed on both the front and rear sides of the seat body (304).

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