Semi-automatic core setting device

Abstract

The utility model discloses a semi-automatic core setting device which comprises two transverse guide rails which are parallel front and back, the bottom surfaces of the right parts of the two transverse guide rails are fixedly provided with the same bottom mold fixing plate, the bottom surfaces of the two transverse guide rails on the left side of the bottom mold fixing plate are fixedly provided with the same horizontal supporting frame, and a sand core placing frame is placed on the horizontal supporting frame. A sand core to be mounted is placed on the sand core placing rack; a movable frame is placed on the two transverse guide rails, a lower mold is installed in the middle of the top face of the bottom mold fixing plate, and a movable lifting mechanism used for grabbing a sand core is installed on the movable frame. The device is convenient to operate, the sand core is automatically grabbed and placed, manual carrying is not needed, the manual labor amount is greatly reduced, positioning and moving are accurate, the sand core is accurately grabbed and placed, the surface of the sand core is not prone to being knocked, and the follow-up casting quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing equipment technical field more specifically, and it is a kind of semi-automatic core setting device. BACKGROUND

[0002] In the existing automobile parts, such as shock tower shell, it needs to manufacture sand core before casting, and due to its large volume, the weight of the sand core is heavy, about 50 kg, and during casting, the sand core needs to be placed on the lower mold;

[0003] The existing mode is manual placement, which requires a lot of manual labor and is very labor-intensive. Moreover, due to the alignment problem during placement, it is easy to break and affect the quality of the sand core, thereby affecting the subsequent casting effect. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings of the prior art and providing a semi-automatic core setting device that is easy to operate, automatically grabs and places the sand core without manual handling, greatly reduces the amount of manual labor, and accurately positions the sand core for accurate grabbing and placement, preventing the surface from being broken and ensuring the quality of subsequent casting.

[0005] The utility model solves the technical problem by the following scheme:

[0006] A semi-automatic core setting device includes two front and rear parallel horizontal guide rails, a bottom mold fixing plate fixed to the right bottom surface of the two horizontal guide rails, a horizontal support frame fixed to the bottom surface of the two horizontal guide rails on the left side of the bottom mold fixing plate, a sand core placement rack placed on the horizontal support frame, and a sand core to be installed placed on the sand core placement rack.

[0007] A moving frame is placed on the two horizontal guide rails, a lower mold is installed on the top surface of the bottom mold fixing plate, and a moving lifting mechanism for grabbing the sand core is installed on the moving frame.

[0008] The moving frame includes an upper fixing plate, vertical support columns fixed to the front and rear left and right sides of the bottom surface of the upper fixing plate, a horizontal bottom plate fixed to the bottom surface of the two vertical support columns in the front, a horizontal bottom plate fixed to the bottom surface of the two vertical support columns in the rear, a plurality of sliding blocks fixed to the bottom surface of the horizontal bottom plate, and the sliding blocks inserted into the corresponding horizontal guide rails and matched with the horizontal guide rails.

[0009] The moving lifting mechanism comprises lifting cylinders fixed in the middle of the top surface of two lateral bottom plates, vertical guide rods fixed on the left and right of the top surface of the two lateral bottom plates, the top ends of the vertical guide rods being fixed on the upper fixing plate, the front and rear of the left and right of the main lifting plate being shaped with through holes, vertical guide sleeves being fixed on the main lifting plate and inserted into the corresponding through holes, the top and bottom ends of the vertical guide sleeves extending out of the top and bottom ends of the corresponding through holes, the vertical guide rods being inserted into the corresponding vertical guide sleeves, the outer side walls of the vertical guide rods being close to the inner side walls of the corresponding vertical guide sleeves;

[0010] The top ends of the push rods of the two lifting cylinders are fixed on the bottom surface of the middle of the front or rear of the main lifting plate.

[0011] The middle bottom surface of the front and rear of the main lifting plate is fixed with a lower support frame, the bottom surface of the middle of the bottom plate of the lower support frame is fixed with a grabbing cylinder, the bottom surface of the left and right of the front and rear of the bottom plate of the lower support frame is fixed with a vertical fixing plate, the two ends of the front and rear extending guide rods are fixed on the corresponding vertical fixing plates, guide sliding blocks are inserted into the guide rods, the bottom surface of the two guide sliding blocks on the same side and the bottom surface of the push plate fixed on the end of the push rod of the grabbing cylinder on the same side are fixed with the same bottom connecting plate.

[0012] Two clamping blocks are fixed on the opposite side walls of the two bottom connecting plates, the bottom of the clamping block is shaped with an inward horizontally extending bottom bending part corresponding to the lower insertion slot shaped on the edge of the bottom surface of the sand core.

[0013] The middle of the outer side wall of the lateral bottom plate is shaped with a vertically extending vertical limiting groove;

[0014] The top surface of the middle of the front and rear of the bottom mold fixing plate is fixed with a first limiting block, the opposite walls of the two first limiting blocks are close to the outer side walls of the corresponding lateral guide rails, the middle of the first limiting block is shaped with a front and rear extending threaded through hole, a ball head plunger is screwed into the corresponding threaded through hole, the outer end of the steel ball of the ball head plunger extends out of the inner end of the corresponding threaded through hole and corresponds to the corresponding vertical limiting groove.

[0015] The horizontal support frame comprises a rectangular frame, the middle of which is fixed with two front and rear extending extension beams, the front and rear ends of the two extension beams are fixed on the inner sides of the front and rear two lateral beams of the rectangular frame, the middle between the two extension beams is fixed with an intermediate support beam, the middle of the extension beam and the middle of the side beam of the adjacent rectangular frame are fixed with an edge intermediate support beam;

[0016] The top surface of the front and rear of the two extension beams is fixed with a positioning column, the bottom plate of the sand core placing frame is pressed against the top surface of the corresponding extension beam, intermediate support beam and edge intermediate support beam, the positioning column is inserted into the corresponding through hole on the bottom plate of the sand core placing frame.

[0017] The front and rear parts of the top surface of the extension beam are fixed with end position limiting blocks, the middle part threaded hole of each end position limiting block is fixed with a ball head plunger, and the outer end of the steel ball of the ball head plunger extends out of the inner end surface of the corresponding end position limiting block and corresponds to the corresponding vertical position limiting groove.

[0018] The protruding effect of the present utility model is:

[0019] It is convenient to operate, the sand core is automatically grabbed and placed, manual carrying is not needed, the manual labor amount is greatly reduced, the sand core grabbing and placing are accurate, the surface is not easy to be knocked and broken, and the subsequent casting quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the present utility model;

[0021] Figure 2 is Figure 1 the angle changing local structure schematic diagram of

[0022] Figure 3 is a local structure schematic diagram of the present utility model without the lower mold and other components;

[0023] Figure 4 is a local sectional view of the present utility model;

[0024] Figure 5 is Figure 4 the local enlarged view of

[0025] Figure 6 is a local structure schematic diagram of the bottom connecting plate and clamping block of the front side of the present utility model;

[0026] Figure 7 is a local structure schematic diagram of the bottom connecting plate and clamping block of the rear side of the present utility model;

[0027] Figure 8 is a local structure schematic diagram between the sand core and the clamping block;

[0028] Figure 9 is Figure 8 the local structure schematic diagram of the sand core. DETAILED DESCRIPTION

[0029] Embodiment, see as Figures 1 to 9As shown, a kind of semi-automatic core device includes two front and rear parallel transverse guide rails 10, the two transverse guide rails 10 include two main guide rails and the right guide rail of the right side of main guide rail (main guide rail and right guide rail are split structure), the left end of right guide rail is opposite to the right end of main guide rail, and the two are aligned, the bottom surface of the right guide rail of two transverse guide rails 10 is fixed with same bottom mold fixed plate 11, the bottom surface of the left side of bottom mold fixed plate 11 of two transverse guide rails 10 is fixed with same horizontal support frame 20, i.e. the bottom surface of two main guide rails is fixed with the top surface of same horizontal support frame 20, sand core placing rack 30 is placed on horizontal support frame 20, and sand core 100 to be installed is placed on sand core placing rack 30;

[0030] The horizontal support frame 20 includes a rectangular frame type frame, wherein two extension beams 21 extending front and rear are fixed in the middle, the front and rear ends of two extension beams 21 are fixed on the inner sides of the front and rear two transverse beams of rectangular frame type frame, and intermediate support beam is fixed between the middle of two extension beams 21, and edge intermediate support beam is fixed between the middle of adjacent side beam of rectangular frame type frame and the middle of extension beam 21.

[0031] The front and rear of the top surface of two extension beams 21 are fixed with positioning column 22, and the bottom plate of sand core placing rack 30 is pressed against the top surface of corresponding extension beam 21, intermediate support beam and edge intermediate support beam, and positioning column 22 is inserted into the corresponding through hole on the bottom plate of sand core placing rack 30.

[0032] It positions the position of sand core placing rack 30 through positioning column 22, ensures the accurate position of sand core placing rack 30, and ensures the accuracy of subsequent material taking.

[0033] Further, the two transverse guide rails 10 are placed with moving frame 40, and the top surface of bottom mold fixed plate 11 is installed with lower mold 12, the moving frame 40 is installed with moving lifting mechanism for grabbing sand core 100, and the moving lifting mechanism corresponds to sand core 100 and lower mold 12.

[0034] Further, the moving frame 40 includes upper fixed plate 41, the front and rear of the bottom surface of upper fixed plate 41 are fixed with vertical support column 42 on the left and right sides, the bottom surface of two vertical support columns 42 of front part is fixed with same transverse bottom plate 43, the bottom surface of two vertical support columns 42 of rear part is fixed with same transverse bottom plate 43, the bottom surface of transverse bottom plate 43 is fixed with multiple sliding blocks 44, and sliding block 44 is inserted into corresponding transverse guide rail 10 and cooperates with transverse guide rail 10.

[0035] Further, the moving lifting mechanism comprises lifting cylinders 45 fixed to the middle of the top surface of the two lateral bottom plates 43, vertical guide rods 46 fixed to the left and right of the top surface of the two lateral bottom plates 43, the top ends of the vertical guide rods 46 being fixed to the upper fixing plate 41, the front and rear portions of the left and right of the main lifting plate 47 being formed with through holes, vertical guide sleeves 471 being fixed to the main lifting plate 47 and inserted into the corresponding through holes, the top and bottom ends of the vertical guide sleeves 471 extending out of the top and bottom ends of the corresponding through holes, the vertical guide rods 46 being inserted into the corresponding vertical guide sleeves 471 and the outer sidewalls thereof being close to the inner sidewalls of the corresponding vertical guide sleeves 471.

[0036] The top ends of the push rods of the two lifting cylinders 45 are fixed to the bottom surface of the middle of the front or rear portion of the main lifting plate 47.

[0037] Further, the middle bottom surface of the front and rear portions of the main lifting plate 47 is fixed with a lower support frame 48, the bottom surface of the middle of the bottom plate of the lower support frame 48 is fixed with a grabbing cylinder 481, the bottom surface of the left and right of the front and rear portions of the bottom plate of the lower support frame 48 is fixed with vertical fixing plates, the two ends of front and rear extending guide rods 482 are fixed to the front and rear corresponding vertical fixing plates, guide sliding blocks 483 are inserted into the guide rods 482, the bottom surface of the two guide sliding blocks 483 on the same side and the bottom surface of the push plate fixed to the end of the push rod of the grabbing cylinder 481 on the same side are fixed with the same bottom connecting plate 484.

[0038] The opposite sidewalls of the two bottom connecting plates 484 are fixed with two clamping blocks 49, the bottom of the clamping block 49 is formed with an inward horizontally extending bottom bending portion 491 corresponding to the lower insertion groove formed on the edge of the bottom surface of the sand core 100.

[0039] Further, the front and rear portions of the right portion of the top surface of the bottom mold fixing plate 11 are fixed with right limiting stop blocks 1, the right portion of the lateral guide rail 10 is inserted into the left and right extending through slot formed in the middle of the bottom surface of the corresponding right limiting stop block 1, and the right end of the lateral bottom plate 43 of the moving frame 40 corresponds to the left sidewall of the corresponding right limiting stop block 1.

[0040] The middle of the outer sidewall of the lateral bottom plate 43 is formed with an up and down extending vertical limiting recess 431.

[0041] The front and rear top surfaces of the middle of the bottom mold fixing plate 11 are fixed with first limiting blocks 2, the opposite sidewalls of the two first limiting blocks 2 are close to the outer sidewalls of the corresponding lateral guide rails 10, the middle of the first limiting block 2 is formed with front and rear extending threaded through holes, ball head plungers 3 are screwed into the corresponding threaded through holes, the outer end of the steel ball of the ball head plunger 3 extends out of the inner end of the corresponding threaded through hole and corresponds to the corresponding vertical limiting recess 431.

[0042] Further, the front and rear of the top surface of the extension beam 21 is fixed with an end limiting block 4, the middle threaded hole of each end limiting block 4 is fixed with a ball head plunger 3, the outer end of the steel ball of the ball head plunger 3 extends out of the inner end surface of the corresponding end limiting block 4 and corresponds to the vertical limiting groove 431.

[0043] The sand core placing frame 30 includes a bottom plate, the left and right of the front and rear of the top surface of the bottom plate is fixed with a support block, the outer side of the top surface of the support block is formed with an extension, the four corners of the sand core 100 are pressed against the top surface of the corresponding support block and are located at the inner side of the corresponding extension (the extension of the embodiment is bent, which is located at the periphery of the four corners of the sand core 100, just limiting and positioning the position of the four corners, ensuring the accuracy of the sand core 100 placement);

[0044] The middle of the top surface of the bottom plate is fixed with a plurality of vertical columns, the vertical columns are located in the groove formed in the middle of the bottom surface of the sand core 100, and the top ends are pressed against the corresponding positions of the top surface of the groove of the sand core 100.

[0045] All the air cylinders in the embodiment are connected with the pneumatic system through the connecting pipe, and are controlled to operate through the corresponding electromagnetic valve of the pneumatic system. The pneumatic system includes a gas pump, a gas tank, an electromagnetic valve and other components, which is a conventional structure, and will not be described here. The electric components such as the electromagnetic valve and the gas pump are connected with the controller through the electric connection line, and are controlled to operate through the controller. The controller is also a product that can be directly purchased on the market, and will not be described here.

[0046] In use, the sand core placing frame 30 on which the sand core 100 is placed is placed at the corresponding position of the horizontal support frame 20. Two sand core placing frames 30 are placed on the sand core placing frame 30 in the embodiment.

[0047] Then, the moving frame 40 is manually pushed to move left, and it can be moved to the rightmost sand core placing frame 30, until the steel ball of the ball head plunger 3 of the corresponding end limiting block 4 extends into the corresponding vertical limiting groove 431, indicating that it is in place. At this time, by pressing the corresponding switch of the controller, the two push rods of the lifting cylinder 45 are retracted, the main lifting plate 47 is lowered to the lowest position, and then the push rod of the two grabbing cylinders 481 is pushed, so that the four clamping blocks 49 are pressed against the front or rear wall of the sand core 100, and at the same time, the bottom bending part 491 is inserted into the corresponding lower insertion slot formed on the edge of the bottom surface of the sand core 100, to realize clamping and fixing.

[0048] Then, the push rods of the two lifting cylinders 45 push, the main lifting plate 47 is lifted, the sand core 100 is lifted, then the moving frame 40 is manually pushed to move right, at this time, a little force is needed, so that the steel ball of the ball head plunger 3 is moved out of the corresponding vertical limiting groove 431, at this time, the moving frame 40 moves right until the rightmost end, so that the steel ball of the ball head plunger 3 of the corresponding first limiting block 2 extends into the corresponding vertical limiting groove 431, thereby positioning the moving frame 40, then the corresponding switch of the controller is pressed, at this time, the push rods of the two lifting cylinders 45 retract, the sand core 100 is lowered, since the moving frame 40 moves accurately, at this time, the lowered sand core 100 can be accurately inserted into the lower molding cavity formed in the middle of the top surface of the lower mold 12, the installation is completed, the installation position is accurate, the surface of the sand core 100 is not easy to be damaged, and the subsequent casting effect is ensured.

[0049] After the installation is completed, the push rods of the two grabbing cylinders 481 retract, the push rods of the two lifting cylinders 45 retract, then the moving frame 40 can be moved left to grab another sand core 100, at this time, the moving mechanism (which is other commonly used structure, not shown in the embodiment) of the bottom mold fixing plate 11 moves right, so that the bottom mold fixing plate 11 and the lower mold 12 fixed on the top surface thereof and the installed sand core 100 move right together and move to the subsequent casting equipment for casting, when moving, the right guide rail of the transverse guide rail 10 moves out together with the bottom mold fixing plate 11.

[0050] Then, another bottom mold fixing plate 11 which needs to install the sand core 100 is moved to install, so that the right guide rail of the bottom mold fixing plate 11 is aligned with the right end of the main guide rail of the corresponding transverse guide rail 10 and is in contact, that is, the installation of the sand core 100 can be performed, the installation effect is good, the installation position is accurate, and the labor amount is greatly reduced.

[0051] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A semi-automatic core-unloading device, comprising two parallel transverse guide rails (10), characterized in that: The bottom right side of the two transverse guide rails (10) is fixed with the same bottom mold fixing plate (11), and the bottom side of the two transverse guide rails (10) on the left side of the bottom mold fixing plate (11) is fixed with the same horizontal support frame (20). The sand core placement frame (30) is placed on the horizontal support frame (20), and the sand core (100) to be installed is placed on the sand core placement frame (30). A movable frame (40) is placed on the two transverse guide rails (10). A lower mold (12) is installed in the middle of the top surface of the bottom mold fixing plate (11). A movable lifting mechanism for grabbing the sand core (100) is installed on the movable frame (40). The movable lifting mechanism corresponds to the sand core (100) and the lower mold (12).

2. The semi-automatic core-unloading device according to claim 1, characterized in that: The movable frame (40) includes an upper fixed plate (41). Vertical support columns (42) are fixed on the left and right sides of the front part and the left and right sides of the rear part of the bottom surface of the upper fixed plate (41). The bottom surfaces of the two front vertical support columns (42) are fixed with the same horizontal bottom plate (43). The bottom surfaces of the two rear vertical support columns (42) are fixed with the same horizontal bottom plate (43). Multiple sliders (44) are fixed on the bottom surface of the horizontal bottom plate (43). The sliders (44) are inserted into the corresponding horizontal guide rails (10) and cooperate with the horizontal guide rails (10).

3. The semi-automatic core-unloading device according to claim 2, characterized in that: The movable lifting mechanism includes a lifting cylinder (45) fixed in the middle of the top surface of two horizontal bottom plates (43). Vertical guide rods (46) are fixed on the left and right sides of the top surface of the two horizontal bottom plates (43). The top of the vertical guide rods (46) is fixed on the upper fixed plate (41). The front and rear parts of the left and right sides of the main lifting plate (47) are formed with through holes. Vertical guide sleeves (471) are fixed on the main lifting plate (47) and inserted into the corresponding through holes. The top and bottom of the vertical guide sleeves (471) extend out of the top and bottom of the corresponding through holes. The vertical guide rods (46) are inserted into the corresponding vertical guide sleeves (471), and their outer sidewalls are close to the inner sidewalls of the corresponding vertical guide sleeves (471). The top of the push rods of the two lifting cylinders (45) are fixed to the bottom surface of the front or rear middle part of the main lifting plate (47).

4. A semi-automatic core-unloading device according to claim 3, characterized in that: The bottom surface of the front and rear middle parts of the main lifting plate (47) is fixed with a lower support frame (48). The bottom surface of the bottom plate of the lower support frame (48) is fixed with a gripping cylinder (481). The bottom surface of the left and right front and rear parts of the bottom plate of the lower support frame (48) are fixed with vertical fixing plates. The two ends of the front and rear extended guide rods (482) are fixed on the corresponding front and rear vertical fixing plates. The guide rods (482) are all fitted with guide sliders (483). The bottom surface of the two guide sliders (483) on the same side and the bottom surface of the push plate fixed to the end of the push rod of the gripping cylinder (481) on the same side are fixed with the same bottom connecting plate (484). Two clamping blocks (49) are fixed on opposite side walls of the two bottom connecting plates (484). The bottom of the clamping block (49) is formed with an inwardly horizontally extending bottom bend (491), which corresponds to the lower slot formed on the edge of the bottom surface of the sand core (100).

5. A semi-automatic core-unloading device according to claim 1, characterized in that: The bottom mold fixing plate (11) has a right limiting block (1) fixed at the front and rear of the right side of the top surface. The right side of the transverse guide rail (10) is inserted into the left and right extending through groove formed in the middle of the bottom surface of the corresponding right limiting block (1). The right end of the transverse bottom plate (43) of the moving frame (40) corresponds to the left side wall of the corresponding right limiting block (1).

6. A semi-automatic core-unloading device according to claim 2, characterized in that: The middle part of the outer side wall of the transverse bottom plate (43) is formed with a vertically extending limiting groove (431); The bottom mold fixing plate (11) has a first limiting block (2) fixed on the front and rear top surfaces of the middle part. The opposing walls of the two first limiting blocks (2) are close to the outer side wall of the corresponding transverse guide rail (10). The middle part of the first limiting block (2) has a threaded through hole extending from front to back. The ball plunger (3) is screwed into the corresponding threaded through hole. The outer end of the steel ball of the ball plunger (3) extends out of the inner end of the corresponding threaded through hole and corresponds to the corresponding vertical limiting groove (431).

7. A semi-automatic core-unloading device according to claim 6, characterized in that: The horizontal support frame (20) includes a rectangular frame, in which two extension beams (21) extending forward and backward are fixed in the middle. The front and rear ends of the two extension beams (21) are fixed on the inner sides of the front and rear transverse beams of the rectangular frame. A middle support beam is fixed in the middle between the two extension beams (21). A side middle support beam is fixed between the middle of the extension beams (21) and the middle of the side beam of the adjacent rectangular frame. Positioning posts (22) are fixed at the front and rear of the top surfaces of the two extension beams (21). The bottom plate of the sand core placement frame (30) presses against the top surfaces of the corresponding extension beams (21), the intermediate support beam, and the side intermediate support beam. The positioning posts (22) are inserted into the corresponding through holes on the bottom plate of the sand core placement frame (30).

8. A semi-automatic core-unloading device according to claim 7, characterized in that: The front and rear parts of the top surface of the extension beam (21) are fixed with end limiting blocks (4), and a ball plunger (3) is fixed in the middle threaded through hole of each end limiting block (4). The outer end of the steel ball of the ball plunger (3) extends out of the inner end face of the corresponding end limiting block (4) and corresponds to the corresponding vertical limiting groove (431).

9. A semi-automatic core-unloading device according to claim 1, characterized in that: The sand core placement rack (30) includes a base plate, and support blocks are fixed to the front and rear left and right sides of the top surface of the base plate. An extension is formed on the outer side of the top surface of the support block. The four corners of the sand core (100) are pressed against the top surface of the corresponding support block and are located on the inner side of the corresponding extension. Multiple vertical columns are fixed in the middle of the top surface of the base plate. The vertical columns are located in the groove formed in the middle of the bottom surface of the sand core (100), and their top ends press against the corresponding position on the top surface of the groove of the sand core (100).

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