Multi-station clamp for aluminum casting part machining

Abstract

The utility model discloses a multi-station clamp for machining aluminum casting parts in the technical field of clamps, which comprises a base, connecting bins are fixedly connected to the left side and the right side of the top of the base, and the multi-station clamp is characterized in that quick dismounting and mounting mechanisms are arranged in the connecting bins, and mounting bins are arranged on the left side and the right side above the base. An inner clamping plate is fixedly connected between the inner side walls of the mounting bins on the left side and the right side, first positioning grooves are formed in the front side wall and the rear side wall of the inner clamping plate, the first positioning grooves in the front side and the rear side are sequentially arranged from left to right, and first protection pads are bonded to the inner side walls of the first positioning grooves in the front side and the rear side; according to the multi-station clamp for aluminum casting part machining, the structural design is reasonable, the multiple aluminum casting parts can be clamped and fixed at the same time, the requirement for simultaneous machining of the multiple aluminum casting parts can be met, and the clamp can be rapidly and conveniently replaced according to the requirement for clamping the aluminum casting parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, concretely is a kind of multi-station fixture for aluminium casting part machining. BACKGROUND

[0002] Aluminium casting refers to the pure aluminium or aluminium alloy device obtained by casting processing method, generally using sand mold or metal mold to pour heated liquid aluminium or aluminium alloy into mold cavity, and the aluminium parts or aluminium alloy parts of various shapes and sizes obtained are usually called, complex aluminium casting casting is a new technology with low-pressure casting technology as core, aluminium smelting and forming composite purification technology and manufacturing core, modern technology for producing high-quality aluminium castings.

[0003] The existing aluminium casting part machining fixture can only clamp a single aluminium casting part when clamping and fixing the aluminium casting part to be machined, and when the number of aluminium casting parts to be clamped and machined increases, the machining efficiency is reduced. Moreover, when the existing aluminium casting part machining fixture needs to be replaced according to clamping requirements, the connection mechanism of the fixture is relatively complicated, and a long time is required for disassembly and installation of the fixture, which affects the machining efficiency. Therefore, the utility model provides a multi-station fixture for aluminium casting part machining. SUMMARY

[0004] The utility model discloses a multi-station fixture for aluminium casting part machining, which solves the problem of the existing aluminium casting part machining fixture in the background art, which can only clamp a single aluminium casting part when clamping and fixing the aluminium casting part to be machined, and when the number of aluminium casting parts to be clamped and machined increases, the machining efficiency is reduced. Moreover, when the existing aluminium casting part machining fixture needs to be replaced according to clamping requirements, the connection mechanism of the fixture is relatively complicated, and a long time is required for disassembly and installation of the fixture, which affects the machining efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a multi-station fixture for aluminium casting part machining, comprising a base, the top of the base is fixedly connected with a connecting bin on the left and right sides, characterized in that a quick disassembly and assembly mechanism is arranged in the connecting bin.

[0006] An installation bin is arranged on the left and right sides of the upper part of the base, an inner clamping plate is fixedly connected between the inner side walls of the installation bin on the left and right sides, first positioning grooves are formed in the front and rear side walls of the inner clamping plate, the first positioning grooves on the left and right sides are arranged in order from left to right, first protective pads are bonded to the inner side walls of the first positioning grooves on the left and right sides, and a fixture adjusting mechanism is arranged in the installation bin on the left and right sides.

[0007] As a further description of the above technical solution:

[0008] The quick dismounting mechanism comprises a mounting groove, a pressing plate, a limiting clasp, a threaded connecting rod and an extrusion spring.

[0009] As a further description of the above technical solution:

[0010] The mounting groove is arranged in the interior of the connecting bin, and the inner cavity four walls between the mounting grooves on the left and right sides are slidably connected with the pressing plates.

[0011] As a further description of the above technical solution:

[0012] The threaded connecting rods are screwed on the front side walls of the connecting bins, the rear ends of the threaded connecting rods on the left and right sides penetrate the connecting bins on the left and right sides and extend to the inner cavities of the mounting grooves on the left and right sides, and the rear ends of the threaded connecting rods on the left and right sides are rotatably connected with the pressing plates on the left and right sides.

[0013] As a further description of the above technical solution:

[0014] The clamp adjusting mechanism comprises a transmission bin, a gear driven screw rod, a connecting block, an outer clamping plate, a second positioning groove, a second protective pad, a motor and a driving gear.

[0015] As a further description of the above technical solution:

[0016] The transmission bin is arranged in the interior of the left mounting bin.

[0017] As a further description of the above technical solution:

[0018] The gear driven screw rods are rotatably connected to the inner cavity front and rear side walls of the left mounting bin, the ends of the gear driven screw rods on the front and rear sides penetrate the left mounting bin and extend to the inner cavities of the transmission bins on the front and rear sides, the outer side walls of the gear driven screw rods on the front and rear sides are screwed with the connecting blocks, the right side walls of the connecting blocks on the front and rear sides penetrate the mounting bin and extend to the right side wall of the left mounting bin, the right side walls of the connecting blocks on the front and rear sides are fixedly connected with the outer clamping plates, the right side walls of the outer clamping plates on the front and rear sides are slidably connected with the left mounting bin, the inner side walls of the outer clamping plates on the front and rear sides are provided with the second positioning grooves, the second positioning grooves on the front and rear sides are arranged from left to right in sequence, and the inner side walls of the second positioning grooves on the front and rear sides are bonded with the second protective pads.

[0019] As a further description of the above technical solution:

[0020] The motor is fixedly connected at the top of the left mounting bin, the power output shaft of the motor penetrates through the left mounting bin and extends to the inner cavity of the left mounting bin, and the bottom end of the power output shaft of the motor is fixedly connected with a driving gear, and the driving gear is meshingly connected with the gear-driven screws on the front and back sides.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] 1. The multi-station clamp for aluminum casting part machining, when clamping the aluminum casting parts, the aluminum casting parts are placed between the first positioning groove and the second positioning groove of the inner clamping plate and the outer clamping plate, then the motor is started to drive the driving gear to rotate, the driving gear drives the gear-driven screws meshingly connected therewith to rotate, the connecting blocks mounted on the gear-driven screws on both sides are moved closer, the outer clamping plates mounted on the connecting blocks on both sides are moved closer, the first protection pad and the second protection pad on the inner side of the first positioning groove and the second positioning groove are in contact with the aluminum casting parts, and the aluminum casting parts between the first positioning groove and the second positioning groove are clamped, so that multiple aluminum casting parts can be clamped and fixed at the same time, and the simultaneous machining of multiple aluminum casting parts can be met.

[0023] 2. The multi-station clamp for aluminum casting part machining, when the clamp needs to be replaced, the threaded connecting rod is rotated to cancel the screw connection with the connecting bin, then the threaded connecting rod is pulled out, the pressing plate extrudes the compression spring, the limiting dowel mounted on the pressing plate is moved into the mounting groove, the fixing of the mounting bin is cancelled, then the threaded connecting rod is rotated again to screw the threads on the rear side of the threaded connecting rod with the connecting bin, the position of the pressing plate is fixed, then the above steps are repeated to release the fixing of the other mounting bin, then the two mounting bins are taken out and removed together with the clamp, then the two mounting bins meeting the requirements are slid into the connecting bins, then the threaded connecting rods on both sides are rotated to cancel the screw connection with the connecting bin, the extruded compression spring is reset to push the pressing plates on both sides to move, the limiting dowel mounted on the pressing plate is inserted into the mounting bin, then the threaded connecting rods on both sides are rotated, and the threaded parts on the outer sides of the threaded connecting rods are screwed with the connecting bin, and the replacement of the clamp is completed, so that the clamp can be replaced quickly and conveniently according to the requirements of clamping the aluminum casting parts. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is a front view of a multi-station clamp for aluminum casting part machining according to the utility model;

[0025] Fig. 2 It is a cross-sectional structure diagram of a quick dismounting mechanism of a multi-station clamp for aluminum casting part machining according to the utility model;

[0026] Fig. 3 The utility model provides a kind of fixture adjusting mechanism section structure schematic diagram of multi-station fixture for aluminium casting part processing;

[0027] In the drawing: 100, base;110, connecting bin;120, installation groove;121, pressing plate;122, limit mortise;130, threaded connecting rod;131, extrusion spring;200, installation bin;210, inner clamping plate;211, first positioning groove;212, first protective pad;220, transmission bin;230, gear driven screw;231, connecting block;240, outer clamping plate;241, second positioning groove;242, second protective pad;250, motor;251, driving gear. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0030] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0031] The utility model provides a kind of multi-station clamp for aluminum casting part machining, multiple aluminum casting parts can be simultaneously clamped and fixed, multiple aluminum casting parts can be simultaneously machined, clamp can be replaced according to the needs of clamping aluminum casting parts quickly and conveniently, please refer to Figs. 1-3 , including base 100 and installation warehouse 200;

[0032] Please refer to Figs. 1-2 , the upper left and right sides of base 100 are provided with installation warehouse 200, specifically, left and right side installation warehouse 200 is slidably connected on the top of base 100 by left and right side connecting warehouse 110, the top left and right sides of base 100 are fixedly connected with connecting warehouse 110, connecting warehouse 110 is used to be connected with installation warehouse 200, characterized by that quick dismounting and mounting mechanism is arranged in connecting warehouse 110, quick dismounting and mounting mechanism includes installation slot 120, pressing plate 121, pressing plate 121 is used to install limit dog 122, limit dog 122 is used to fixedly install installation warehouse 200, threaded connecting rod 130, threaded connecting rod 130 is used to be connected with pressing plate 121, extrusion spring 131, installation slot 120 is opened in the inside of connecting warehouse 110, the inner cavity four walls between left and right side installation slot 120 are slidably connected with pressing plate 121, limit dog 122 is fixedly connected on the upper and lower sides of the rear side wall of left and right side pressing plate 121, the rear end of limit dog 122 penetrates installation slot 120 and extends to the inside of connecting warehouse 110 with installation warehouse 200, threaded connecting rod 130 is screwed on the front side wall of connecting warehouse 110, the rear end of left and right side threaded connecting rod 130 penetrates left and right side connecting warehouse 110 and extends to the inner cavity of left and right side installation slot 120, and the rear end of left and right side threaded connecting rod 130 is rotatably connected with left and right side pressing plate 121, extrusion spring 131 is sleeved on the outside wall of left and right side threaded connecting rod 130, when clamping aluminum casting part, by placing aluminum casting part between the first positioning groove 211 and the second positioning groove 241 of inner clamping plate 210 and outer clamping plate 240, then starting motor 250 makes motor 250 drive driving gear 251 to rotate, makes driving gear 251 drive gear driven screw 230 meshing connected with it to rotate, makes the connecting block 231 on both sides gear driven screw 230 to close, makes the outer clamping plate 240 on both sides connecting block 231 to close, makes the first protection pad 212 and the second protection pad 242 inside first positioning groove 211 and second positioning groove 241 contact with aluminum casting part, clamps aluminum casting part between first positioning groove 211 and second positioning groove 241;

[0033] As described above, multiple aluminum casting parts can be simultaneously clamped and fixed, multiple aluminum casting parts can be simultaneously machined;

[0034] Please refer to Figs. 1-3The inner side walls between the left and right installation bins 200 are fixedly connected with inner clamping plates 210, first positioning grooves 211 are opened in the front and back side walls of the inner clamping plates 210, the first positioning grooves 211 are used for clamping aluminum casting parts, the first positioning grooves 211 on the left and right sides are sequentially arranged from left to right, first protection pads 212 are bonded to the inner side walls of the first positioning grooves 211 on the left and right sides, the first protection pads 212 are used for protecting aluminum casting parts, the interiors of the left and right installation bins 200 are provided with clamp adjusting mechanisms, the clamp adjusting mechanisms comprise transmission bins 220, gear-driven screws 230, the gear-driven screws 230 are used for installing connecting blocks 231, the connecting blocks 231 are used for installing outer clamping plates 240, the outer clamping plates 240, second positioning grooves 241, the second positioning grooves 241 are used for clamping aluminum casting parts, second protection pads 242, motors 250, the motors 250 are used for driving drive gears 251, the drive gears 251 are used for driving the gear-driven screws 230 to rotate, the transmission bins 220 are opened in the interiors of the left installation bin 200 on the left and right sides, the gear-driven screws 230 are rotatably connected to the inner cavities of the left installation bin 200 on the left and right sides, the ends of the gear-driven screws 230 on the left and right sides penetrate the left installation bin 200 and extend to the inner cavities of the transmission bins 220 on the left and right sides, threaded sleeves are screwed on the outer side walls of the gear-driven screws 230 on the left and right sides, the right side walls of the connecting blocks 231 on the left and right sides penetrate the installation bin 200 and extend to the right side wall of the left installation bin 200, the outer clamping plates 240 are fixedly connected to the right side walls of the connecting blocks 231 on the left and right sides, the right side walls of the outer clamping plates 240 on the left and right sides are slidably connected to the right installation bin 200, second positioning grooves 241 are opened in the inner side walls of the outer clamping plates 240 on the left and right sides, the second positioning grooves 241 on the left and right sides are sequentially arranged from left to right, second protection pads 242 are bonded to the inner side walls of the second positioning grooves 241 on the left and right sides, the motors 250 are fixedly connected to the top of the left installation bin 200, the power output shafts of the motors 250 penetrate the left installation bin 200 and extend to the inner cavities of the left installation bin 200 at the bottom, drive gears 251 are fixedly connected to the bottom ends of the power output shafts of the motors 250, the drive gears 251 are meshedly connected with the gear-driven screws 230 on the left and right sides, when it is necessary to replace the clamp, the threaded connecting rods 130 are screwed with the connecting bins 110, then the threaded connecting rods 130 are pulled outwards, the pressing plates 121 extrude the compression springs 131, the limiting clamping tenons 122 installed on the pressing plates 121 move into the installation grooves 120, the installation of the installation bin 200 is cancelled, then the threaded connecting rods 130 are rotated again, the threads on the left side of the threaded connecting rods 130 are screwed with the connecting bins 110, the position of the pressing plates 121 is fixed, then the above steps are repeated to release the fixation of the other installation bin 200, then the installation bin 200 is taken out together with the clamp, then the installation bin 200 that meets the requirements is slidably installed into the connecting bin 110,After rotating the two sides of the threaded connecting rod 130, the two sides of the threaded connecting rod 130 are cancelled with the screw connection of the connecting bin 110, the extrusion spring 131 extruded by the pressing plate 121 is reset to push the two sides of the pressing plate 121 to move, the limiting tenon 122 installed on the pressing plate 121 is inserted into the installation bin 200, and then the two sides of the threaded connecting rod 130 are rotated, the threaded part outside the threaded connecting rod 130 is screwed with the connecting bin 110, and the replacement of the clamp is completed.

[0035] In summary, the clamp can be quickly and conveniently replaced according to the needs of clamping aluminum casting parts.

[0036] In specific use, when clamping aluminum casting parts, the aluminum casting parts are placed between the first positioning groove 211 and the second positioning groove 241 of the inner clamping plate 210 and the outer clamping plate 240, and then the motor 250 is started to drive the driving gear 251 to rotate, the driving gear 251 drives the gear driven screw 230 connected with it to rotate, the connecting block 231 installed on the two sides of the gear driven screw 230 is close, the outer clamping plate 240 installed on the two sides of the connecting block 231 is close, the first protection pad 212 and the second protection pad 242 inside the first positioning groove 211 and the second positioning groove 241 are in contact with the aluminum casting parts, and the aluminum casting parts between the first positioning groove 211 and the second positioning groove 241 are clamped. When it is necessary to replace the clamp, the threaded connecting rod 130 is rotated to cancel the screw connection with the connecting bin 110, then the threaded connecting rod 130 is pulled out, the pressing plate 121 extrudes the extrusion spring 131, and then the limiting tenon 122 installed on the pressing plate 121 is moved into the installation groove 120 to cancel the fixation of the installation bin 200. Then the threaded connecting rod 130 is rotated again to screw the threads on the back side of the threaded connecting rod 130 with the connecting bin 110 to fix the position of the pressing plate 121, and then the above steps are repeated to release the fixation of the other side of the installation bin 200. Then the two sides of the installation bin 200 are taken out and removed together with the clamp, and then the two sides of the installation bin 200 meeting the needs are slid and installed into the two sides of the connecting bin 110, and then the two sides of the threaded connecting rod 130 are rotated to cancel the screw connection with the connecting bin 110, the extrusion spring 131 extruded by the pressing plate 121 is reset to push the two sides of the pressing plate 121 to move, the limiting tenon 122 installed on the pressing plate 121 is inserted into the installation bin 200, and then the two sides of the threaded connecting rod 130 are rotated, the threaded part outside the threaded connecting rod 130 is screwed with the connecting bin 110, and the replacement of the clamp is completed.

[0037] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A multi-station fixture for machining aluminum castings, comprising a base (100), wherein connecting chambers (110) are fixedly connected to the left and right sides of the top of the base (100), characterized in that... The connecting compartment (110) is equipped with a quick disassembly and assembly mechanism; The base (100) has installation compartments (200) on the upper left and right sides. An inner clamping plate (210) is fixedly connected between the inner sidewalls of the installation compartments (200) on the left and right sides. The inner clamping plate (210) has a first positioning groove (211) on the front and rear sidewalls. The first positioning grooves (211) on the front and rear sides are arranged sequentially from left to right. A first protective pad (212) is adhered to the inner sidewall of the first positioning grooves (211) on the front and rear sides. A clamp adjustment mechanism is provided inside the installation compartments (200) on the left and right sides.

2. The multi-station fixture for machining aluminum castings according to claim 1, characterized in that: The quick-release mechanism includes a mounting slot (120), a pressure plate (121), a limit latch (122), a threaded connecting rod (130), and a compression spring (131).

3. A multi-station fixture for machining aluminum castings according to claim 2, characterized in that: The mounting groove (120) is opened inside the connecting chamber (110). Pressure plates (121) are slidably connected between the four walls of the inner cavity of the mounting groove (120) on the left and right sides. Limiting tenons (122) are fixedly connected to the upper and lower sides of the rear side walls of the pressure plates (121) on the left and right sides. The rear end of the limiting tenon (122) passes through the mounting groove (120) and the mounting chamber (200) and extends into the interior of the connecting chamber (110).

4. A multi-station fixture for machining aluminum castings according to claim 3, characterized in that: The threaded connecting rod (130) is screwed to the front side wall of the connecting chamber (110). The rear ends of the threaded connecting rods (130) on the left and right sides pass through the connecting chambers (110) on the left and right sides and extend into the inner cavity of the mounting grooves (120) on the left and right sides. The rear ends of the threaded connecting rods (130) on the left and right sides are rotatably connected to the pressure plates (121) on the left and right sides. A compression spring (131) is sleeved on the outer side wall of the threaded connecting rods (130) on the left and right sides.

5. A multi-station fixture for machining aluminum castings according to claim 1, characterized in that: The clamp adjustment mechanism includes a transmission chamber (220), a gear driven screw (230), a connecting block (231), an outer clamping plate (240), a second positioning groove (241), a second protective pad (242), a motor (250), and a drive gear (251).

6. A multi-station fixture for machining aluminum castings according to claim 5, characterized in that: The transmission compartment (220) is located on the front and rear sides of the interior of the mounting compartment (200) on the left side.

7. A multi-station fixture for machining aluminum castings according to claim 5, characterized in that: The gear driven screw (230) is rotatably connected to the front and rear side walls of the inner cavity of the left mounting chamber (200). The ends of the gear driven screws (230) on both the front and rear sides penetrate the left mounting chamber (200) and extend into the inner cavities of the front and rear transmission chambers (220). Connecting blocks (231) are screwed to the outer side walls of the gear driven screws (230) on both the front and rear sides. The right side walls of the connecting blocks (231) on both the front and rear sides penetrate the mounting chamber (200) and extend into the left mounting chamber. The right side wall of (200) and the right side wall of the connecting block (231) on both the front and rear sides are fixedly connected with an outer clamping plate (240). The right side wall of the outer clamping plate (240) on both the front and rear sides is slidably connected to the right side of the installation chamber (200). The inner side wall of the outer clamping plate (240) on both the front and rear sides is provided with a second positioning groove (241). The second positioning grooves (241) on both the front and rear sides are arranged sequentially from left to right. The inner side wall of the second positioning grooves (241) on both the front and rear sides is bonded with a second protective pad (242).

8. A multi-station fixture for machining aluminum castings according to claim 7, characterized in that: The motor (250) is fixedly connected to the top of the left mounting compartment (200). The bottom end of the power output shaft of the motor (250) passes through the left mounting compartment (200) and extends into the inner cavity of the left mounting compartment (200). A drive gear (251) is fixedly connected to the bottom end of the power output shaft of the motor (250). The drive gear (251) meshes with the driven screws (230) on the front and rear sides.

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