Clamping device for casting machining

Abstract

The utility model relates to the technical field of casting machining, in particular to a clamping device for casting machining, which comprises a placing mechanism, the inner wall of the placing mechanism is fixedly connected with the bottom end of an extrusion mechanism, and the inner wall of the placing mechanism is rotatably connected with the outer wall of a plane clamping mechanism. The inner wall of the top of the plane clamping mechanism is rotationally connected with the outer wall of the cambered surface clamping mechanism, the inner wall of the plane clamping mechanism is movably connected with the outer wall of the stabilizing mechanism, and during casting machining, the casting machining device applies extrusion force to a casting, so that the downward moving force of an extrusion block is increased, and the casting machining efficiency is improved. The larger the extrusion force of the extrusion block is, the larger the rotating amplitude of the rotating plate is, then the clamping force of the plane clamping block on the casting is increased, after machining is completed, the force applied by the machining device disappears, then the casting is manually taken out, the traditional mode that clamping is driven through a rotating bolt is eliminated, clamping and taking down of the casting are convenient, and the machining efficiency is improved. And the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, in particular to a clamping device for casting processing. Background Art

[0002] Castings are metal shaped objects obtained by various casting methods, that is, the smelted liquid metal is poured into a pre-prepared mold by pouring, injection, suction or other casting methods. After cooling and subsequent processing such as grinding, the resulting object has a certain shape, size and performance. When processing the casting, a clamp is needed to clamp it for stability.

[0003] Most of the current fixtures used for casting processing require the use of tools to rotate bolts to drive the clamping mechanism to clamp the outer wall of the casting, making the stabilization and disassembly of the casting more complicated. Secondly, since the outer walls of the castings are mostly divided into flat surfaces and curved surfaces, most of the current fixtures can only perform single clamping and stabilization on flat surfaces and curved surfaces. When clamping the flat surfaces and curved surfaces separately, different fixtures are required, making the current fixtures less applicable. Utility Model Content

[0004] The purpose of the utility model is to provide a clamping device for casting processing, so as to solve the problem mentioned in the above background technology that most of the current clamps for casting processing need to use tools to rotate bolts to drive the clamping mechanism to clamp the outer wall of the casting, which makes the stabilization and disassembly of the casting more cumbersome. Secondly, since the outer wall of the casting is mostly divided into a plane and a curved surface, most of the current clamps can only perform single clamping and stabilization on the plane and the curved surface, which makes the applicability of the current clamps low. In order to achieve the above purpose, the utility model provides the following technical solutions: A clamping device for casting processing, including a placement mechanism, the inner wall of the placement mechanism is fixedly connected to the bottom end of the extrusion mechanism, and the inner wall of the placement mechanism is rotatably connected to the outer wall of the plane clamping mechanism.

[0005] The top inner wall of the plane clamping mechanism is rotatably connected to the outer wall of the arc surface clamping mechanism, and the inner wall of the plane clamping mechanism is movably connected to the outer wall of the stabilizing mechanism.

[0006] Preferably, the placement mechanism includes a stabilizing frame, a fixed plate and a positioning block, and the bottom end of the stabilizing frame is fixedly connected to the top end of the fixed plate, the inner wall of the fixed plate is movably connected to the outer wall of the positioning block, and a driving hollow groove is opened inside the stabilizing frame, an extrusion opening is opened above the driving hollow groove, and a rotating opening is opened above the driving hollow groove.

[0007] Preferably, the extrusion mechanism includes a connecting spring, a movable plate and an extrusion block, and the bottom end of the connecting spring is fixedly connected to the inner wall of the driving hollow groove, the top end of the connecting spring is fixedly connected to the bottom end of the movable plate, and the top end of the movable plate is fixedly connected to the bottom end of the extrusion block, the outer wall of the extrusion block is movably connected to the inner wall of the extrusion port, and the top end of the extrusion block is arranged in an arc shape, and the top end of the extrusion block extends to the top of the stabilizing frame.

[0008] Preferably, the planar clamping mechanism includes a rotating plate, an arc block and a planar clamping block, and the outer wall of the rotating plate is provided with a rotating shaft, the outer wall of the rotating plate is rotatably connected to the inner wall of the driving hollow groove through the rotating shaft, and one side of the bottom end of the rotating plate is fixedly connected to the outer wall of the arc block, the arc block is provided with an arc on the side away from the rotating plate, and the arc block is arranged below the movable plate, the top side of the connecting spring is fixedly connected to the outer wall of the planar clamping block, and the rotating mouth can provide the rotating plate for rotation, a hollow groove is provided inside the planar clamping block, and a limiting groove is provided on the bottom inner wall of the hollow groove, a moving mouth is provided at the top of the hollow groove, and a card groove is provided on the inner wall of one end of the moving mouth, and the limiting groove and the moving mouth are both inclined.

[0009] Preferably, the arc clamping mechanism includes an arc clamping block, a pushing block and a moving rod, and the outer wall of the arc clamping block is arranged in an arc shape, a rotating shaft is arranged on the outer wall of one end of the arc clamping block, and one end of the arc clamping block is rotatably connected to the inner wall of the hollow groove through the rotating shaft, the bottom end of the pushing block is movably connected to the inner wall of the limiting groove, and the top end of the pushing block is movably connected to the inner wall of the moving mouth, the outer wall of the pushing block is fixedly connected to the inner wall of the moving rod, and an extension groove is opened inside the pushing block.

[0010] Preferably, the stabilizing mechanism includes a return spring, an extension rod, a locking plate and a lifting rod, and the bottom end of the return spring is fixedly connected to the inner wall of the extension groove, the top end of the return spring is fixedly connected to the bottom end of the extension rod, and the top end of the extension rod is fixedly connected to the bottom end of the locking plate, the top end of the locking plate is fixedly connected to the bottom end of the lifting rod, and the outer wall of the locking plate matches the inner wall of the locking groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model discloses a kind of utility model, when clamping the casting, the casting is placed on the top of the stabilizing frame so that the casting is located above the extrusion block, and the extrusion block is first squeezed by the weight of the casting itself, and the extrusion block is squeezed to drive the movable plate to move downward, and the movable plate moves downward to squeeze the connecting spring, and the movable plate moves downward to squeeze the arc surface of the arc block, thereby driving the rotating plate to rotate, and the rotation of the rotating plate drives the plane clamping block to move toward the outer wall of the casting, and the plane clamping block moves to perform preliminary extrusion and limit on the outer wall of the casting. When the casting is processed, the casting processing device applies an extrusion force to the casting, thereby increasing the force of the extrusion block moving downward. The greater the extrusion force of the extrusion block, the greater the rotation amplitude of the rotating plate, and thus the force of the plane clamping block to clamp the casting increases. When the processing is completed, the force applied by the processing device disappears, and then the casting is taken out manually, getting rid of the traditional method of driving the clamping by rotating the bolt, facilitating the clamping and removal of the casting, and increasing the convenience of using the device.

[0013] When the locking plate is moved to the upper part of the slot, the extension rod is driven to move downward by the reset spring, and the extension rod moves downward to drive the locking plate to enter the interior of the slot. When the push block moves, the moving rod is driven to squeeze the outer wall of the arc-shaped clamping block, and the arc-shaped clamping block is moved. The outer wall is squeezed so that the arc-shaped clamping block rotates through the rotating shaft, so that the arc surface of the arc-shaped clamping block extends out of the outer wall of the plane clamping block, thereby forming an arc surface clamping, and the clamping plate enters the interior of the clamping slot to stabilize the pushing block. After the pushing block is stabilized, the arc-shaped clamping block is stabilized, so that when clamping the casting, the arc surface of the arc-shaped clamping block first contacts the outer wall of the casting, and the plane of the plane clamping block facilitates the clamping of the plane casting, and the arc of the arc-shaped clamping block facilitates the clamping of the arc-shaped casting, which facilitates the clamping of different castings and increases the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 This is an exploded diagram of the extrusion mechanism of the utility model;

[0018] Figure 5 This is an exploded view of the plane clamping mechanism of the utility model;

[0019] Figure 6 This is an exploded view of the arc surface clamping mechanism of the utility model;

[0020] Figure 7 It is an exploded view of the stabilizing mechanism of the utility model.

[0021] In the figure: 1. placing mechanism; 101. stabilizing frame; 102. fixing plate; 103. positioning block; 2. squeezing mechanism; 201. connecting spring; 202. moving plate; 203. squeezing block; 3. plane clamping mechanism; 301. rotating plate; 302. arc block; 303. plane clamping block; 4. arc clamping mechanism; 401. arc clamping block; 402. pushing block; 403. moving rod; 5. stabilizing mechanism; 501. reset spring; 502. extension rod; 503. clamping plate; 504. lifting rod. DETAILED DESCRIPTION

[0022] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 7 The utility model provides a technical solution: a clamping device for casting processing, including a placing mechanism 1, the inner wall of the placing mechanism 1 is fixedly connected to the bottom end of the extrusion mechanism 2, and the inner wall of the placing mechanism 1 is rotatably connected to the outer wall of the plane clamping mechanism 3.

[0024] The top inner wall of the plane clamping mechanism 3 is rotatably connected to the outer wall of the arc surface clamping mechanism 4 , and the inner wall of the plane clamping mechanism 3 is movably connected to the outer wall of the stabilizing mechanism 5 .

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the placement mechanism 1 includes a stabilizing frame 101, a fixing plate 102 and a positioning block 103, and the bottom end of the stabilizing frame 101 is fixedly connected to the top end of the fixing plate 102, the inner wall of the fixing plate 102 is movably connected to the outer wall of the positioning block 103, and a driving hollow groove is opened inside the stabilizing frame 101, an extrusion opening is opened above the driving hollow groove, and a rotating opening is opened above the driving hollow groove, and the positioning block 103 facilitates the placement and stabilization of the stabilizing frame 101.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the extrusion mechanism 2 includes a connecting spring 201, a movable plate 202 and an extrusion block 203, and the bottom end of the connecting spring 201 is fixedly connected to the inner wall of the driving hollow groove, the top end of the connecting spring 201 is fixedly connected to the bottom end of the movable plate 202, and the top end of the movable plate 202 is fixedly connected to the bottom end of the extrusion block 203, the outer wall of the extrusion block 203 is movably connected to the inner wall of the extrusion port, and the top end of the extrusion block 203 is arranged in an arc shape, the top end of the extrusion block 203 extends to the top of the stabilizing frame 101, the extrusion block 203 is extruded, and the extrusion block 203 is extruded to drive the movable plate 202 to move downward, and the movable plate 202 moves downward to extrude the connecting spring 201.

[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the plane clamping mechanism 3 includes a rotating plate 301, an arc block 302 and a plane clamping block 303, and the outer wall of the rotating plate 301 is provided with a rotating shaft, the outer wall of the rotating plate 301 is rotatably connected to the inner wall of the driving hollow groove through the rotating shaft, and one side of the bottom end of the rotating plate 301 is fixedly connected to the outer wall of the arc block 302, the side of the arc block 302 away from the rotating plate 301 is provided with an arc, and the arc block 302 is arranged below the movable plate 202, one side of the top end of the connecting spring 201 is fixedly connected to the outer wall of the plane clamping block 303, and the rotating mouth can provide the rotating plate 301 for rotation, and the interior of the plane clamping block 303 is provided with a hollow groove, and the bottom inner wall of the hollow groove is provided with There is a limiting groove, a moving opening is provided at the top of the hollow groove, and a card slot is provided on the inner wall of one end of the moving opening, the limiting groove and the moving opening are both inclined, the rotating plate 301 rotates to drive the plane clamping block 303 to move toward the outer wall of the casting, and the plane clamping block 303 moves to perform preliminary extrusion and limiting on the outer wall of the casting. When the casting is processed, the casting processing device applies an extrusion force to the casting, thereby increasing the force of the extrusion block 203 moving downward. The greater the extrusion force of the extrusion block 203, the greater the rotation amplitude of the rotating plate 301, and then the force of the plane clamping block 303 to clamp the casting increases. When the processing is completed, the force applied by the processing device disappears, and then the casting is taken out manually.

[0028] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the arc surface clamping mechanism 4 includes an arc-shaped clamping block 401, a pushing block 402 and a moving rod 403, and the outer wall of the arc-shaped clamping block 401 is set to an arc shape, and a rotating shaft is set on the outer wall of one end of the arc-shaped clamping block 401, and one end of the arc-shaped clamping block 401 is rotatably connected to the inner wall of the hollow groove through the rotating shaft, the bottom end of the pushing block 402 is movably connected to the inner wall of the limiting groove, and the top of the pushing block 402 is movably connected to the inner wall of the moving opening, the outer wall of the pushing block 402 is fixedly connected to the inner wall of the moving rod 403, and an extension groove is provided inside the pushing block 402. When the pushing block 402 moves, the moving rod 403 is driven to squeeze the outer wall of the arc-shaped clamping block 401. The outer wall of the arc-shaped clamping block 401 is squeezed so that the arc-shaped clamping block 401 rotates through the rotating shaft, so that the arc surface of the arc-shaped clamping block 401 extends out of the outer wall of the plane clamping block 303, thereby forming an arc surface clamping.

[0029] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the stabilizing mechanism 5 includes a reset spring 501, an extension rod 502, a locking plate 503 and a lifting rod 504, and the bottom end of the reset spring 501 is fixedly connected to the inner wall of the extension groove, the top end of the reset spring 501 is fixedly connected to the bottom end of the extension rod 502, and the top end of the extension rod 502 is fixedly connected to the bottom end of the locking plate 503, the top end of the locking plate 503 is fixedly connected to the bottom end of the lifting rod 504, and the outer wall of the locking plate 503 matches the inner wall of the locking groove. When the locking plate 503 moves to the top of the locking groove, the extension rod 502 is driven downward by the reset of the reset spring 501, and the extension rod 502 moves downward to drive the locking plate 503 to enter the interior of the locking groove, and the locking plate 503 enters the interior of the locking groove to stabilize the pushing block 402.

[0030] The use method and advantages of the utility model: When the clamping device for casting processing is working, the working process is as follows:

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, when clamping the casting, the casting is placed above the stabilizing frame 101 so that the casting is located above the extrusion block 203. First, the extrusion block 203 is squeezed by the weight of the casting itself. The extrusion block 203 is squeezed and drives the moving plate 202 to move downward. The moving plate 202 moves downward to squeeze the connecting spring 201. The moving plate 202 moves downward to squeeze the arc surface of the arc block 302, thereby driving the rotating plate 301 to rotate. The rotating plate 301 rotates and drives the plane clamping block 303 to move toward the outer wall of the casting. The plane clamping block 303 moves to The outer wall of the casting is initially squeezed and limited. When the casting is processed, the casting processing device applies squeezing force to the casting, thereby increasing the force of the squeezing block 203 moving downward. The greater the squeezing force of the squeezing block 203, the greater the rotation amplitude of the rotating plate 301, and then the force of the plane clamping block 303 clamping the casting increases. When the processing is completed, the force applied by the processing device disappears, and then the casting is taken out manually. When the arc casting is clamped, the moving lifting rod 504 drives the clamping plate 503 to move, and the movement of the clamping plate 503 drives the extension rod 502 to move, and the extension rod 502 moves with The movable pushing block 402 moves along the inner wall of the moving opening, and at the same time, the bottom end of the pushing block 402 moves along the inner wall of the limiting groove. When the engaging plate 503 moves to the top of the engaging groove, the reset spring 501 resets the extension rod 502 downward, and the extension rod 502 moves downward to drive the engaging plate 503 into the interior of the engaging groove. When the pushing block 402 moves, the moving rod 403 is driven to squeeze the outer wall of the arc clamping block 401. The outer wall of the arc clamping block 401 is squeezed so that the arc clamping block 401 rotates through the rotating shaft, so that the arc of the arc clamping block 401 The shaped surface extends out of the outer wall of the plane clamping block 303, thereby forming an arc surface clamping, and the locking plate 503 enters the interior of the slot to stabilize the pushing block 402. After the pushing block 402 is stabilized, the arc clamping block 401 is stabilized, so that when clamping the casting, the arc surface of the arc clamping block 401 first contacts the outer wall of the casting, and the locking plate 503 is driven to move out of the interior of the slot by pulling the lifting rod 504, thereby driving the extension rod 502 to pull the reset spring 501, and the locking plate 503 removes the slot so that the arc clamping block 401 is not limited, thereby allowing the moving rod 403 to be stored in the interior of the plane clamping block.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A clamping device for casting processing, comprising a placing mechanism (1), characterized in that: The inner wall of the placement mechanism (1) is fixedly connected to the bottom end of the extrusion mechanism (2), and the inner wall of the placement mechanism (1) is rotatably connected to the outer wall of the plane clamping mechanism (3); The top inner wall of the planar clamping mechanism (3) is rotatably connected to the outer wall of the arc surface clamping mechanism (4), and the inner wall of the planar clamping mechanism (3) is movably connected to the outer wall of the stabilizing mechanism (5).

2. A clamping device for casting processing according to claim 1, characterized in that: The placement mechanism (1) comprises a stabilizing frame (101), a fixing plate (102) and a positioning block (103), wherein the bottom end of the stabilizing frame (101) is fixedly connected to the top end of the fixing plate (102), the inner wall of the fixing plate (102) is movably connected to the outer wall of the positioning block (103), and a driving hollow groove is provided inside the stabilizing frame (101), an extrusion opening is provided above the driving hollow groove, and a rotation opening is provided above the driving hollow groove.

3. A clamping device for casting processing according to claim 2, characterized in that: The extrusion mechanism (2) comprises a connecting spring (201), a movable plate (202) and an extrusion block (203), wherein the bottom end of the connecting spring (201) is fixedly connected to the inner wall of the driving hollow groove, the top end of the connecting spring (201) is fixedly connected to the bottom end of the movable plate (202), and the top end of the movable plate (202) is fixedly connected to the bottom end of the extrusion block (203), the outer wall of the extrusion block (203) is movably connected to the inner wall of the extrusion port, and the top end of the extrusion block (203) is arranged in an arc shape, and the top end of the extrusion block (203) extends to the top of the stabilizing frame (101).

4. A clamping device for casting processing according to claim 3, characterized in that: The plane clamping mechanism (3) comprises a rotating plate (301), an arc block (302) and a plane clamping block (303), and the outer wall of the rotating plate (301) is provided with a rotating shaft, the outer wall of the rotating plate (301) is rotatably connected to the inner wall of the driving hollow groove through the rotating shaft, and one side of the bottom end of the rotating plate (301) is fixedly connected to the outer wall of the arc block (302), the side of the arc block (302) away from the rotating plate (301) is provided with an arc, and the arc block (303) is provided with an arc. 2) is arranged below the movable plate (202), one side of the top end of the connecting spring (201) is fixedly connected to the outer wall of the plane clamping block (303), and the rotating opening can provide the rotating plate (301) with rotation, a hollow groove is provided inside the plane clamping block (303), and a limiting groove is provided on the bottom inner wall of the hollow groove, a movable opening is provided on the top of the hollow groove, and a card slot is provided on the inner wall of one end of the movable opening, and the limiting groove and the movable opening are both inclined.

5. A clamping device for casting processing according to claim 4, characterized in that: The arc surface clamping mechanism (4) comprises an arc-shaped clamping block (401), a pushing block (402) and a moving rod (403), and the outer wall of the arc-shaped clamping block (401) is arranged in an arc shape, a rotating shaft is arranged on the outer wall of one end of the arc-shaped clamping block (401), and one end of the arc-shaped clamping block (401) is rotatably connected to the inner wall of the hollow groove through the rotating shaft, the bottom end of the pushing block (402) is movably connected to the inner wall of the limiting groove, and the top end of the pushing block (402) is movably connected to the inner wall of the moving opening, the outer wall of the pushing block (402) is fixedly connected to the inner wall of the moving rod (403), and an extension groove is provided inside the pushing block (402).

6. A clamping device for casting processing according to claim 5, characterized in that: The stabilizing mechanism (5) comprises a return spring (501), an extension rod (502), a locking plate (503) and a lifting rod (504), wherein the bottom end of the return spring (501) is fixedly connected to the inner wall of the extension groove, the top end of the return spring (501) is fixedly connected to the bottom end of the extension rod (502), and the top end of the extension rod (502) is fixedly connected to the bottom end of the locking plate (503), the top end of the locking plate (503) is fixedly connected to the bottom end of the lifting rod (504), and the outer wall of the locking plate (503) matches the inner wall of the locking groove.

Images