Automatic trimming device for die castings

Abstract

The utility model discloses an automatic trimming device for die castings, which comprises a workbench, a clamp for clamping the castings is arranged on the upper surface of the workbench, a support is fixedly connected to the left side wall and the right side wall of the workbench, and a driving displacement assembly is fixedly mounted on the side wall of the support. The bottom end of the driving displacement assembly drives a grinding assembly for grinding the casting in a threaded mode. Through the arranged driving displacement assembly, the position of the grinding assembly can be automatically and flexibly adjusted according to the grinding requirement of the casting, and the grinding efficiency is improved; through the arranged grinding assembly, when the grinding disc makes contact with the casting, as the position of the spherical joint grinding disc can change along with the shape of the grinding surface of the casting, the surface contact area of the grinding disc and the grinding surface of the casting is increased, the grinding efficiency is indirectly improved, the grinding range of the grinding disc to the casting is enlarged, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of metal processing trimming, in particular to an automatic trimming device for die castings. Background Art

[0002] In the field of metal cold processing, drilling, tapping and trimming are the most commonly used processing procedures. The existing processing equipment generally uses different equipment to process each process separately. For some special-shaped castings, trimming is required. The existing metal trimming devices are generally performed manually, which is not only inconvenient but also affects the efficiency of metal trimming. Therefore, a die casting trimming device is needed to meet the use requirements.

[0003] In the related technology, for example, the Chinese patent with application number: "202221604988.9", which is named: "A die-casting trimming device", includes a workbench, a control panel is fixedly installed on the front of the workbench, a fixing frame is fixedly installed on the top of the workbench, a forward and reverse motor is fixedly installed on one side of the fixing frame, a threaded rod is arranged at one end of the forward and reverse motor, a threaded sleeve is arranged on the threaded rod, an electric telescopic rod is fixedly installed at the bottom of the threaded sleeve, a micro motor is fixedly installed at one end of the electric telescopic rod, a rotating shaft is arranged at one end of the micro motor, a mounting groove is arranged on the rotating shaft, a mounting block is arranged inside the mounting groove, a grinding disc is fixedly installed at one end of the mounting block, a fixing groove is arranged on one side of the mounting block, and a cavity is arranged on one side of the mounting groove. The utility model is provided with a mounting groove, a mounting block, a fixing groove, a fixing pin and a reset spring for use in coordination with each other, so as to facilitate the rapid installation and disassembly of the grinding disc, facilitate replacement and processing, facilitate better trimming and grinding work, and improve its practicality.

[0004] Although the above patent is convenient for installing and disassembling the grinding disc, the range of movement of the grinding disc is relatively limited, and the grinding position of the casting needs to be adjusted manually, which reduces the grinding efficiency. In addition, when facing the inclined edges of the casting, the vertical grinding disc cannot grind it quickly, which is not practical. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide an automatic trimming device for die-castings. By setting a driving displacement component, the position of the grinding component can be automatically and flexibly adjusted according to the grinding requirements of the casting, thereby improving the grinding efficiency; through the set grinding component, when the grinding disc contacts the casting, the spherical joint grinding disc will change its orientation with the shape of the grinding surface of the casting, thereby increasing the contact area between the grinding disc and the grinding surface of the casting, which not only indirectly improves the grinding efficiency, but also increases the grinding range of the casting by the grinding disc, and has strong practicality.

[0006] One of the purposes of the utility model is achieved by the following technical solution: an automatic trimming device for die castings, comprising: a workbench, the upper surface of the workbench is provided with a clamp for clamping the casting, the left and right side walls of the workbench are fixedly connected with brackets, the side walls of the brackets are fixedly installed with a driving displacement assembly, and the bottom end of the driving displacement assembly is threadedly driven with a grinding assembly for grinding the casting;

[0007] The grinding assembly includes a hydraulic cylinder and a mounting block. A displacement block is provided at the top of the hydraulic cylinder. A connecting plate is fixedly connected to the bottom of the movable end of the hydraulic cylinder. A joint connecting groove is provided at the bottom of the connecting plate. A spherical joint is fixedly connected to the top of the mounting block. The inner wall of the joint connecting groove is snap-connected with the outer wall of the spherical joint. A plurality of springs are evenly fixedly connected between the top of the connecting plate and the top of the mounting block. A motor three is fixedly installed in the bottom groove of the mounting block. A grinding disc is fixedly installed at the output end of the motor three. By setting up a driving displacement assembly, the position of the grinding assembly can be automatically and flexibly adjusted according to the grinding requirements of the casting, thereby improving the grinding efficiency. By setting up a grinding assembly, when the grinding disc contacts the casting, the spherical joint grinding disc will change its position according to the shape of the grinding surface of the casting, thereby increasing the contact area between the grinding disc and the grinding surface of the casting, thereby indirectly improving the grinding efficiency and increasing the grinding range of the casting by the grinding disc, which is highly practical.

[0008] According to the described automatic trimming device for die-castings, the driving displacement assembly includes a motor 1, the output end of the motor 1 passes through the side wall of one end of the bracket and is fixedly connected to a screw 1, the outer wall of the screw 1 passes through a displacement seat connected by a thread, the bottom end of the displacement seat is fixedly connected to a mounting plate, a limiting groove is provided at the bottom end of the mounting plate, a screw 2 is rotatably connected between the front and rear inner walls of the limiting groove, a motor 2 is fixedly connected to the rear wall of the mounting plate, and the output end of the motor 2 passes through the rear wall of the mounting plate and is fixedly connected to the rear end of the screw 2.

[0009] According to the automatic trimming device for die castings, the outer wall of the second screw penetrates the outer wall of the displacement block and is threadedly connected to the displacement block.

[0010] An automatic trimming device for die castings is provided, wherein a through hole is provided at the top of the bracket, and an inner wall of the through hole is slidably connected to a side wall of a displacement seat.

[0011] According to the automatic trimming device for die castings, a control panel is installed on the front side of the workbench, and the control panel is electrically connected to motor one, motor two, motor three, and the hydraulic cylinder.

[0012] According to the automatic trimming device for die castings, the outer wall of the displacement block is slidably connected to the inner wall of the limiting groove.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a three-dimensional diagram of an automatic trimming device for die castings of the utility model;

[0016] Figure 2 This is a stereoscopic diagram of a driving displacement component of an automatic trimming device for die castings of the utility model;

[0017] Figure 3 This is a cross-sectional view of a grinding component of an automatic trimming device for die castings of the utility model;

[0018] Figure 4 This is an enlarged view of point A of an automatic trimming device for die castings of the utility model.

[0019] Legend:

[0020] 1. Workbench; 2. Fixture; 3. Bracket; 4. Drive displacement assembly; 5. Grinding assembly; 6. Control panel; 301. Through hole; 401. Displacement seat; 402. Motor 1; 403. Screw 1; 404. Mounting plate; 405. Motor 2; 406. Screw 2; 501. Hydraulic cylinder; 502. Displacement block; 503. Connecting plate; 504. Mounting block; 505. Spring; 506. Motor 3; 507. Grinding disc; 4041. Limiting groove; 5031. Joint connecting groove; 5041. Spherical joint. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is an automatic trimming device for die castings, which comprises: a workbench 1, the upper surface of the workbench 1 is provided with a fixture 2 for clamping the casting, the left and right side walls of the workbench 1 are fixedly connected with a bracket 3, the side wall of the bracket 3 is fixedly installed with a driving displacement component 4, and the bottom end of the driving displacement component 4 is threadedly driven with a grinding component 5 for grinding the casting;

[0023] The grinding assembly 5 includes a hydraulic cylinder 501 and a mounting block 504. A displacement block 502 is provided at the top of the hydraulic cylinder 501. A connecting plate 503 is fixedly connected to the bottom of the movable end of the hydraulic cylinder 501. A joint connecting groove 5031 is provided at the bottom of the connecting plate 503. A spherical joint 5041 is fixedly connected to the top of the mounting block 504. The inner wall of the joint connecting groove 5031 is engaged with the outer wall of the spherical joint 5041. A plurality of springs 505 are evenly fixedly connected between the top of the connecting plate 503 and the top of the mounting block 504. A motor 3 506 is fixedly installed in the bottom groove of the mounting block 504. A grinding disc 507 is fixedly installed at the output end of the motor 3 506.

[0024] The driving displacement assembly 4 includes a motor 402, the output end of the motor 402 penetrates the side wall of one end of the bracket 3 and is fixedly connected with a screw 403, the outer wall of the screw 403 penetrates the displacement seat 401 through a thread, the top of the bracket 3 is provided with a through hole 301, the inner wall of the through hole 301 is slidably connected to the side wall of the displacement seat 401, the bottom end of the displacement seat 401 is fixedly connected with a mounting plate 404, the bottom end of the mounting plate 404 is provided with a limiting groove 4041, the outer wall of the displacement block 502 is slidably connected to the inner wall of the limiting groove 4041 A screw rod 406 is rotatably connected between the front and rear inner walls of the limit groove 4041, a motor 405 is fixedly connected to the rear wall of the mounting plate 404, the output end of the motor 405 passes through the rear wall of the mounting plate 404 and is fixedly connected to the rear end of the screw rod 406, the outer wall of the screw rod 406 passes through the outer wall of the displacement block 502, and is threadedly connected to the displacement block 502, a control panel 6 is installed on the front side of the workbench 1, and the control panel 6 is electrically connected to the motor 1 402, the motor 2 405, the motor 3 506, and the hydraulic cylinder 501. By setting the driving displacement component 4, the motor 1 402 drives the screw 1 403 to rotate, thereby driving the grinding component 5 and the mounting plate 404 to achieve left and right displacement, and the motor 2 405 drives the screw 2 406 to rotate, thereby driving the grinding component 5 to achieve front and back displacement. The position of the grinding component 5 can be automatically and flexibly adjusted according to the grinding requirements of the casting, thereby improving the grinding efficiency; by setting the grinding component 5, the hydraulic cylinder 501 is set to push the grinding disc 507 to contact the grinding surface of the casting, and the motor 3 506 drives the grinding disc 507 to rotate to grind the casting. When the grinding disc 507 contacts the casting, the grinding disc 507 will change its position with the shape of the grinding surface of the casting due to the spherical joint 5041, thereby increasing the contact area between the grinding disc 507 and the grinding surface of the casting, and the spring 505 uses its tension to provide a downward pressure force for the grinding disc 507, which not only indirectly improves the grinding efficiency, but also increases the grinding range of the casting by the grinding disc 507, and has strong practicality.

[0025] Working principle: when in use, the casting to be polished is placed on the fixture 2, and the casting is clamped and fixed with the fixture 2. After fixation, the motor 1 402 is started through the control panel 6 to drive the screw 1 403 to rotate, thereby driving the polishing assembly 5 and the mounting plate 404 to achieve left and right displacement, and the motor 2 405 drives the screw 2 406 to rotate, thereby driving the polishing assembly 5 to achieve front and back displacement. After adjusting the position of the polishing assembly 5 according to the polishing requirements, the hydraulic cylinder 501 is started to push the grinding disc 507 to contact the polishing surface of the casting, and the motor 3 506 drives the grinding disc 507 to rotate to polish the casting. When the grinding disc 507 contacts the casting, the grinding disc 507 will change its position with the shape of the polishing surface of the casting due to the spherical joint 5041, thereby increasing the contact area between the grinding disc 507 and the polishing surface of the casting, and the spring 505 uses its tension to provide a downward force for the grinding disc 507, thereby increasing the polishing range of the grinding disc 507 on the casting.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An automatic trimming device for die castings, comprising: A workbench (1), characterized in that a fixture (2) for clamping a casting is provided on the upper surface of the workbench (1), a bracket (3) is fixedly connected to the left and right side walls of the workbench (1), a driving displacement component (4) is fixedly installed on the side wall of the bracket (3), and a grinding component (5) for grinding the casting is driven by a thread at the bottom end of the driving displacement component (4); The grinding assembly (5) comprises a hydraulic cylinder (501) and a mounting block (504). A displacement block (502) is provided at the top of the hydraulic cylinder (501). A connecting plate (503) is fixedly connected to the bottom of the movable end of the hydraulic cylinder (501). A joint connecting groove (5031) is provided at the bottom of the connecting plate (503). A spherical joint (5041) is fixedly connected to the top of the mounting block (504). The inner wall of the joint connecting groove (5031) is snap-connected with the outer wall of the spherical joint (5041). A plurality of springs (505) are evenly fixedly connected between the top of the connecting plate (503) and the top of the mounting block (504). A motor three (506) is fixedly installed in the groove at the bottom of the mounting block (504). A grinding disc (507) is fixedly installed at the output end of the motor three (506).

2. The automatic trimming device for die casting according to claim 1, characterized in that: The driving displacement assembly (4) comprises a motor 1 (402), the output end of the motor 1 (402) passes through a side wall of one end of the bracket (3) and is fixedly connected to a screw rod 1 (403), the outer wall of the screw rod 1 (403) passes through a displacement seat (401) and is threadedly connected, the bottom end of the displacement seat (401) is fixedly connected to a mounting plate (404), the bottom end of the mounting plate (404) is provided with a limiting groove (4041), the front and rear inner walls of the limiting groove (4041) are rotatably connected to a screw rod 2 (406), the rear wall of the mounting plate (404) is fixedly connected to a motor 2 (405), the output end of the motor 2 (405) passes through the rear wall of the mounting plate (404) and is fixedly connected to the rear end of the screw rod 2 (406).

3. The automatic trimming device for die casting according to claim 2, characterized in that: The outer wall of the second screw rod (406) passes through the outer wall of the displacement block (502) and is threadedly connected to the displacement block (502).

4. The automatic trimming device for die casting according to claim 2, characterized in that: A through hole (301) is provided at the top end of the bracket (3), and the inner wall of the through hole (301) is slidably connected to the side wall of the displacement seat (401).

5. The automatic trimming device for die casting according to claim 2, characterized in that: A control panel (6) is installed on the front side of the workbench (1), and the control panel (6) is electrically connected to motor 1 (402), motor 2 (405), motor 3 (506), and the hydraulic cylinder (501).

6. The automatic trimming device for die casting according to claim 2, characterized in that: The outer wall of the displacement block (502) is slidably connected to the inner wall of the limiting groove (4041).

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