Automatic grinding tool for removing casting pouring gate
By designing an automated grinding fixture, and utilizing the casting clamping structure where the main clamping plate and the auxiliary clamping plate are perpendicular to the grinding belt direction, the problem of requiring manual clamps in traditional casting gate grinding equipment is solved, achieving efficient casting gate removal and improving production efficiency.
Patent Information
- Application Number
- CN202520418819.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Traditional casting gate grinding equipment requires manual clamping, resulting in low production efficiency and a high risk of misoperation, which affects production efficiency.
Design an automated grinding fixture including a worktable, a fixed frame, a grinding motor, a pressure roller, a grinding belt, and a turntable. The main clamping plate and the auxiliary clamping plate are perpendicular to the direction of movement of the grinding belt. The casting is clamped in the station slot, and the pressure roller grinds the gate on the inside of the turntable, simplifying the casting assembly and disassembly process.
It simplifies the assembly and disassembly process of castings, improves production efficiency, avoids fixture misoperation, and realizes automated production.
Smart Images

Figure CN223903624U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of casting production, in particular to an automatic grinding tool for removing casting sprue. BACKGROUND
[0002] The casting sprue is left after the casting is completed, so the process of removing the casting sprue is necessary in the casting production, in order to solve the problem of grinding the casting sprue, the automatic grinding equipment is usually used, and the principle is that the automatic turntable structure is combined on the basis of the circumferential grinding, so that the products can be subjected to batch grinding operation, thereby achieving the purpose of removing the casting sprue in batches. UTILITY MODEL CONTENTS
[0003] In order to overcome the defects in the background art, the utility model adopts the technical scheme of an automatic grinding tool for removing casting sprue, which comprises a workbench, a fixing frame, a grinding motor, a pressure roller, a grinding belt and a turntable.
[0004] The casting is clamped in the work station on the outside of the turntable by the worker, and the pressure roller grinds the casting sprue on the inside of the turntable, when the casting is close to the pressure roller, the moving direction of the grinding belt is perpendicular to the direction of the main clamping plate and the auxiliary clamping plate, so that the pressure of the grinding belt on the casting is completely applied to the main clamping plate / auxiliary clamping plate when the casting sprue is ground, and the worker only needs to clamp the casting in the work station and abut against the limiting block when disassembling the casting, without completely locking, which simplifies the production process and greatly improves the production efficiency.
[0005] The utility model is further provided with two groups of parallelly distributed mounting cavities in the positioning seat, and the main clamping plate and the auxiliary clamping plate are vertically distributed in the positioning seat through the mounting cavities, and are screwed to the positioning seat through the counterbores.
[0006] The technical scheme is adopted, the parallelism of the main clamping plate and the auxiliary clamping plate is guaranteed through the installation cavity, and the phenomenon that the workpiece is inclined or cannot be installed when being installed in the work station groove is prevented.
[0007] The utility model further provides that the positioning seat is provided with a reinforcing plate on both sides for abutting against the main clamping plate and the auxiliary clamping plate.
[0008] The technical scheme is adopted, the perpendicularity of the main clamping plate / auxiliary clamping plate and the positioning seat is guaranteed through the two groups of reinforcing plates on one side of each installation cavity, and the phenomenon that the main clamping plate / auxiliary clamping plate is inclined during the grinding process is prevented.
[0009] The utility model further provides that the adapter disc is provided with a circumferentially distributed sliding groove, and both ends of the positioning seat are provided with a bolt assembly connected with the sliding groove.
[0010] The technical scheme is adopted, the position of the positioning seat relative to the pressure wheels is adjusted through the sliding groove, so that the casting sprue is fully in contact with the grinding belt.
[0011] The utility model further provides that the main clamping plate is provided with a stepped portion for installing the casting.
[0012] The technical scheme is adopted, the stepped portion is matched with the shape of the casting, and the direction of the Z-axis is prevented from being deviated when the casting is fixed in the work station groove.
[0013] The utility model further provides that one end of the fixing frame is provided with a hand wheel for adjusting the height of the pressure wheel, and the fixing frame is provided with a fixed roller and a limiting plate on both sides of the grinding belt.
[0014] The technical scheme is adopted, the hand wheel is connected with the pressure wheel through a worm gear module, the distance between the pressure wheel and the adapter disc is adjusted by rotating the hand wheel, so that the grinding height of the casting sprue is controlled, the sprue of the casting with different heights can be ground, and the application range is wide.
[0015] The utility model further provides that the workbench is provided with a protective shell for sleeving the outside of the fixing frame, and the protective shell is provided with an open groove for accommodating the adapter disc.
[0016] The technical scheme is adopted, the dust brought out by the grinding belt is concentrated in the protective shell, the dust is prevented from spreading, and the working environment of the workers is improved.
[0017] Compared with the prior art, the utility model has the beneficial effects that:
[0018] The worker clamps the casting in the working position groove outside the rotating disc, and the pressure wheel grinds the casting sprue inside the rotating disc, when the casting approaches the pressure wheel, the grinding belt is perpendicular to the moving direction of the grinding belt due to the main clamping plate and the auxiliary clamping plate, so that the pressure of the grinding belt on the casting is completely applied to the main clamping plate / auxiliary clamping plate when grinding the sprue, so that the worker only needs to clamp the casting in the working position groove and abut against the limiting block when disassembling the casting, without completely locking, simplifying the production process, and greatly improving the production efficiency.
[0019] The utility model embodiment is further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the structural diagram of the utility model;
[0021] Figure 2 It is the structural diagram of the utility model; Figure 1 It is the partial close -up view of the view of A direction of middle;
[0022] Figure 3 It is the plan view of the positioning seat of the utility model;
[0023] Figure 4 It is the left view of the main clamping plate of the utility model;
[0024] Figure 5 It is the perspective view of the casting of the utility model;
[0025] Wherein: 1-workbench, 2-fixed frame, 3-grinding motor, 4-pressure wheel, 5-grinding belt, 6-rotating disc, 7-rotating disc, 8-positioning seat, 9-main clamping plate, 10-auxiliary clamping plate, 11-working position groove, 12-limiting block, 13-mounting cavity, 14-counterbore, 15-stiffener, 16-slotted, 17-bolt assembly, 18-step, 19-hand wheel, 20-roller, 21-limiting plate, 22-protective shell, 23-opening slot, 30-casting, 31-sprue; DETAILED DESCRIPTION
[0026] As Figure 1 , 2As shown, this embodiment provides an automated grinding fixture for removing casting gates, including a worktable 1, a fixed frame 2, a grinding motor 3, a pressure roller 4, a grinding belt 5, and a turntable 6. The worktable 1 is connected to the grinding motor 3 via the fixed frame 2, and the fixed frame 2 is rotatably connected to the pressure roller 4. The grinding belt 5 is wound between the output shaft of the grinding motor 3 and the pressure roller 4. The turntable 6 is rotatably connected to the worktable 1, and one side of the turntable 6 is located below the pressure roller 4. It also includes a transfer plate 7, a positioning seat 8, a main clamping plate 9, and a secondary clamping plate 10. The transfer plate 7 is coaxially connected to the turntable 6. The transfer plate 7 is provided with one or more positioning seats 8 arranged in a circular pattern. The positioning seats 8 are fixedly connected to the main clamping plate 9 and the secondary clamping plate 10, which are arranged in parallel. The main clamping plate 9, the secondary clamping plate 10, and the positioning seats 8 are combined to form a work station groove 11 for clamping the casting, and the work station groove 11 faces the axial direction of the transfer plate 7. The inner side of the main clamping plate 9 / secondary clamping plate 10 is provided with a limiting block 12.
[0027] Combination Figure 3 , 4 As shown, in this embodiment, the positioning seat 8 has two sets of parallel mounting cavities 13. The mounting cavities 13 are provided with countersunk holes 14. The main clamping plate 9 and the auxiliary clamping plate 10 are vertically distributed on the positioning seat 8 through the mounting cavities 13. The main clamping plate 9 and the auxiliary clamping plate 10 are both provided with threaded holes corresponding to the countersunk holes 14. They are threaded to the positioning seat 8 through the countersunk holes 14. The two sides of the positioning seat 8 are provided with reinforcing plates 15 for abutting the main clamping plate 9 and the auxiliary clamping plate 10. The adapter plate 7 is provided with circumferentially distributed sliding grooves 16. The two ends of the positioning seat 8 are provided with bolt assemblies 17 connected to the sliding grooves 16. The main clamping plate 9 is provided with a stepped portion 18 for installing castings.
[0028] like Figure 1 As shown, in this embodiment, one end of the fixed frame 2 is provided with a handwheel 19 for adjusting the height of the pressure roller 4. The fixed frame 2 is provided with fixed rollers 20 and limiting plates 21 on both sides of the grinding belt 5. The handwheel 19 is connected to the pressure roller 4 through a worm gear module. By rotating the handwheel 19, the distance between the pressure roller 4 and the adapter plate 7 is adjusted, thereby controlling the grinding height of the casting gate. The workbench 1 is provided with a protective shell 22 for covering the fixed frame 2. The protective shell 22 is provided with an opening slot 23 for accommodating the adapter plate 7. The protective shell 22 is welded from sheet metal parts and is provided with a side door for debugging and maintenance. After the operator opens the side door, they can directly adjust the height of the pressure roller 4 through the handwheel 19.
[0029] Combination Figure 5As shown, the working principle of the utility model is, staff inserts foundry goods 30 between main clamping plate 9 and vice clamping plate 10 along work position groove 11, and makes the sprue of foundry goods 30 face upwards, disc 6 is driven to rotate slowly by the built-in motor of workbench 1, when work position groove 11 is close to press wheel 4, because the moving direction of main clamping plate 9 and vice clamping plate 10 is perpendicular to the direction of grinding belt 5, when grinding belt 5 grinds the sprue of foundry goods 30, the pressure of foundry goods 30 is completely applied on main clamping plate 9 / vice clamping plate 10, when foundry goods 30 is grinded, rotates to initial position along with disc 6, and the staff takes out the grinded foundry goods 30, realizes automatic production, and improves production efficiency.
[0030] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. An automatic grinding device for removing sprues from castings, comprising a workbench (1), a fixed frame (2), a grinding motor (3), a pressure roller (4), a grinding belt (5) and a rotating disc (6), the workbench (1) being connected with the grinding motor (3) through the fixed frame (2), the fixed frame (2) being rotatably connected with the pressure roller (4), the grinding belt (5) being wound between the output shaft of the grinding motor (3) and the pressure roller (4), the rotating disc (6) being rotatably connected to the workbench (1), and one side of the rotating disc (6) being arranged below the pressure roller (4), characterized in that, Also include adapter disk (7), positioning seat (8), main clamping plate (9) and vice clamping plate (10), adapter disk (7) coaxial connection in turn disk (6), adapter disk (7) is equipped with a group of more than positioning seat (8) is distributed in a circle, positioning seat (8) is fixedly connected with parallel distribution main clamping plate (9) and vice clamping plate (10), main clamping plate (9), vice clamping plate (10) and positioning seat (8) combination form for the work station groove (11) of clamping castings, and work station groove (11) towards the axial direction of adapter disk (7), the inner side of main clamping plate (9) / vice clamping plate (10) is equipped with limit block (12).
2. The automatic grinding device for removing the sprue of a casting according to claim 1, characterized in that: The positioning seat (8) is provided with two groups of parallel distribution installation cavity (13), the installation cavity (13) is provided with a countersunk hole (14), the main clamping plate (9), vice clamping plate (10) is vertically distributed in positioning seat (8) through installation cavity (13), and the main clamping plate (9), vice clamping plate (10) is screwed in positioning seat (8) through countersunk hole (14).
3. An automated grinding fixture for de-coring a cast part according to claim 2, wherein: The two sides of the positioning seat (8) are provided with reinforcing plates (15) for abutting the main clamping plate (9) and the vice clamping plate (10).
4. The automatic grinding device for removing the sprue of a casting according to claim 3, wherein: The adapter disk (7) is provided with a circumferentially distributed chute (16), and the two ends of the positioning seat (8) are provided with a bolt assembly (17) connected with the chute (16).
5. An automated grinding fixture for de-coring a cast part according to claim 4, wherein: The main clamping plate (9) is provided with a step portion (18) for mounting the castings.
6. An automated grinding fixture for de-coring a cast part according to claim 1, wherein: One end of the fixed frame (2) is provided with a hand wheel (19) for adjusting the height of the pressure roller (4), and the fixed frame (2) located on both sides of the grinding belt (5) is provided with a fixed roller (20) and a limiting plate (21).
7. An automated grinding fixture for de-coring a cast part according to claim 6, wherein: The workbench (1) is provided with a protective shell (22) for sleeving the fixed frame (2) outside, and the protective shell (22) is provided with an opening groove (23) for accommodating the adapter disk (7).