Workpiece positioning device for grinding machine

Abstract

The utility model relates to the technical field of grinding machines, in particular to a workpiece positioning device for a grinding machine. Comprising a workbench and a workpiece positioning assembly installed on the workbench. The positioning assembly comprises a first moving plate installed on the workbench, a second moving plate installed on the first moving plate, a placing plate installed on the second moving plate and used for placing workpieces, and a positioning assembly connected with the first moving plate and used for positioning the workpieces. The first driving unit is used for driving the first moving plate to move on the workbench in the first preset direction, the second driving unit is connected with the second moving plate and used for driving the second moving plate to move on the first moving plate in the second preset direction, and the second driving unit is connected with the containing plate and used for driving the containing plate to move on the workbench in the second preset direction. The third driving unit is used for driving the placing plate to rotate on the second moving plate, and the clamping unit is installed on the second moving plate and used for clamping a workpiece located on the placing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, in particular to a workpiece positioning device for a grinding machine. Background Art

[0002] A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. It mainly uses a grinding wheel to rotate and grind the workpiece so that it can achieve the required flatness. When existing grinders position and fix the workpiece, the position of the workpiece is fixed and cannot be adjusted as needed, which cannot meet the growing industrial needs.

[0003] Therefore, it is necessary to propose a technical means to solve the above defects. Utility Model Content

[0004] The utility model adopts the following technical solutions:

[0005] A workpiece positioning device for a grinding machine comprises a worktable and a workpiece positioning assembly installed on the worktable; the positioning assembly comprises a first movable plate installed on the worktable, a second movable plate installed on the first movable plate, a placement plate installed on the second movable plate and used to place the workpiece, a first driving unit connected to the first movable plate and used to drive the first movable plate to move along a first preset direction on the worktable, a second driving unit connected to the second movable plate and used to drive the second movable plate to move along a second preset direction on the first movable plate, a third driving unit connected to the placement plate and used to drive the placement plate to rotate on the second movable plate, and a clamping unit installed on the second movable plate and used to clamp the workpiece located on the placement plate.

[0006] Preferably, the workbench is provided with a mounting groove, and slide grooves are provided on both sides of the mounting groove; the first movable plate is installed in the mounting groove; the first driving unit includes a connecting plate, a first screw rod, a slider, a first transmission belt and a first motor; the connecting plate is installed between the first movable plate and the slide groove, and is connected to the first movable plate; the first screw rod is installed in the slide groove; the slider is slidably installed in the slide groove, and is connected to the first screw rod and the connecting plate; the first transmission belt is connected to the ends of the two first screw rods to synchronously drive the two first screw rods to rotate; the first motor is connected to one of the first screw rods.

[0007] Preferably, the second driving unit includes a second screw rod, a second motor and a second transmission belt; the second screw rod is installed between the two connecting plates and connected to the second movable plate, and the second screw rod is perpendicular to the first screw rod; the second motor is installed on the side of the connecting plate and connected to the second screw rod through the second transmission belt.

[0008] Preferably, the bottom of the placement plate is rotatably mounted on the second movable plate via a rotating shaft, and the placement plate is a circular placement plate, and a gear ring is provided on the side of the circular placement plate; the third driving unit includes a third screw rod, a rack and a third motor; the third screw rod is mounted on the second movable plate; the rack is mounted on the third screw rod and meshes with the gear ring; the third motor is connected to the third screw rod for driving the third screw rod to rotate.

[0009] Preferably, the clamping unit includes clamping plates installed on both sides of the placement plate, and a power cylinder connected to the clamping plates for driving the clamping plates to move closer to or away from the placement plate; the power cylinder is installed on the second movable plate through a fixed plate.

[0010] Preferably, a side of the clamping plate for clamping the workpiece is provided with buffer cotton.

[0011] The utility model relates to a workpiece positioning device for a grinding machine, which can effectively adjust the position of the workpiece through the arrangement of a first movable plate, a second movable plate, a first drive unit, a second drive unit, a third drive unit and a clamping assembly, so as to facilitate the processing requirements of the grinding device and greatly improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall schematic diagram of a workpiece positioning device for a grinding machine according to the utility model;

[0013] Figure 2 for Figure 1 Another angle schematic diagram of the whole. DETAILED DESCRIPTION

[0014] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] See also Figure 1 and Figure 2 A workpiece positioning device for a grinding machine includes a worktable 10 and a workpiece positioning assembly 20 installed on the worktable 10; the positioning assembly includes a first movable plate 201 installed on the worktable 10, a second movable plate 202 installed on the first movable plate 201, a placement plate 203 installed on the second movable plate 202 for placing a workpiece, a first driving unit connected to the first movable plate 201 and used to drive the first movable plate 201 to move along a first preset direction on the worktable 10, a second driving unit connected to the second movable plate 202 and used to drive the second movable plate 202 to move along a second preset direction on the first movable plate 201, a third driving unit connected to the placement plate 203 and used to drive the placement plate 203 to rotate on the second movable plate 202, and a clamping unit installed on the second movable plate 202 and used to clamp the workpiece located on the placement plate 203.

[0018] In this embodiment, when working, the workpiece to be processed is placed on the placement plate 203, the position of the first movable plate 201 is adjusted by the first driving unit, the position of the second movable plate 202 is adjusted by the second driving unit, and the position of the placement plate 203 is adjusted by the third driving unit. After the workpiece is adjusted to the right position, the clamping unit clamps and fixes the workpiece so that the grinding device 30 can process the workpiece. Specifically, the first preset direction is perpendicular to the second preset direction.

[0019] The utility model relates to a workpiece positioning device for a grinding machine, which can effectively adjust the position of the workpiece through the arrangement of a first movable plate 201, a second movable plate 202, a first drive unit, a second drive unit, a third drive unit and a clamping assembly, so as to facilitate the processing requirements of a grinding device 30 and greatly improve the user experience.

[0020] In a specific embodiment, a mounting groove 101 is provided on the workbench 10, and slide grooves 102 are provided on both sides of the mounting groove 101; the first movable plate 201 is installed in the mounting groove 101; the first driving unit includes a connecting plate 204, a first screw rod 205, a slider 206, a first transmission belt (not shown in the figure) and a first motor (not shown in the figure); the connecting plate 204 is installed between the first movable plate 201 and the slide groove 102, and is connected to the first movable plate 201; the first screw rod 205 is installed in the slide groove 102; the slider 206 is slidably installed in the slide groove 102, and is connected to the first screw rod 205 and the connecting plate 204; the first transmission belt is connected to the ends of the two first screw rods 205 to synchronously drive the two first screw rods 205 to rotate; the first motor is connected to one of the first screw rods 205. In this embodiment, when working, the first motor drives the two first screw rods 205 to rotate through the first transmission belt, and then drives the slider 206 to move in the slide groove 102, thereby driving the first movable plate 201 to move in the installation groove 101 through the connecting plate 204. The setting of the slide groove 102 can effectively improve the stability of the movement of the first movable plate 201.

[0021] In a specific embodiment, the second driving unit includes a second screw rod 207, a second motor 208 and a second transmission belt (not shown in the figure); the second screw rod 207 is installed between the two connecting plates 204 and connected to the second movable plate 202, and the second screw rod 207 is perpendicular to the first screw rod 205; the second motor 208 is installed on the side of the connecting plate 204 and connected to the second screw rod 207 through the second transmission belt. In this embodiment, the second motor 208 works, and then the second screw rod 207 is driven to rotate through the second transmission belt, and then the second movable plate 202 is driven to move on the first movable plate 201. Specifically, the side of the installation groove 101 is provided with an avoidance groove 103 for the second motor 208 to move, so that when the first driving unit drives the connecting plate 204 to move, the second motor 208 causes interference, thereby improving the rationality of the device.

[0022] In a specific embodiment, the bottom of the placement plate 203 is rotatably mounted on the second movable plate 202 via a rotating shaft, and the placement plate 203 is a circular placement plate 203, and a gear ring 209 is arranged around the side of the circular placement plate 203; the third driving unit includes a third screw rod 210, a rack 211, and a third motor 212; the third screw rod 210 is mounted on the second movable plate 202; the rack 211 is mounted on the third screw rod 210 and meshes with the gear ring 209; the third motor 212 is connected to the third screw rod 210 and is used to drive the third screw rod 210 to rotate. In this embodiment, when working, the third motor 212 drives the third screw rod 210 to rotate, thereby driving the rack 211 to move, thereby driving the circular placement plate 203 to rotate through the gear ring 209, and then adjusting the placement position of the workpiece.

[0023] In a specific embodiment, the clamping unit includes clamping plates 213 installed on both sides of the placement plate 203, and a power cylinder 214 connected to the clamping plates 213 for driving the clamping plates 213 to approach or move away from the placement plate 203; the power cylinder 214 is installed on the second movable plate 202 through a fixed plate 215. In this embodiment, when the workpiece is located on the placement plate 203, the power cylinder 214 drives the clamping plates 213 to approach the placement plate 203, thereby clamping and fixing the workpiece.

[0024] In a specific embodiment, a side of the clamping plate 213 for clamping the workpiece is provided with a cushioning cotton. In this embodiment, the workpiece to be clamped is effectively protected by the provision of the cushioning cotton.

[0025] The utility model relates to a workpiece positioning device for a grinding machine, which can effectively adjust the position of the workpiece through the arrangement of a first movable plate 201, a second movable plate 202, a first drive unit, a second drive unit, a third drive unit and a clamping assembly, so as to facilitate the processing requirements of a grinding device 30 and greatly improve the user experience.

[0026] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A workpiece positioning device for a grinding machine, characterized in that: It includes a workbench and a workpiece positioning assembly installed on the workbench; the positioning assembly includes a first movable plate installed on the workbench, a second movable plate installed on the first movable plate, a placement plate installed on the second movable plate and used to place the workpiece, a first driving unit connected to the first movable plate and used to drive the first movable plate to move along a first preset direction on the workbench, a second driving unit connected to the second movable plate and used to drive the second movable plate to move along a second preset direction on the first movable plate, a third driving unit connected to the placement plate and used to drive the placement plate to rotate on the second movable plate, and a clamping unit installed on the second movable plate and used to clamp the workpiece located on the placement plate.

2. A workpiece positioning device for a grinding machine according to claim 1, characterized in that: The workbench is provided with a mounting groove, and slide grooves are provided on both sides of the mounting groove; the first movable plate is installed in the mounting groove; the first driving unit includes a connecting plate, a first screw rod, a slider, a first transmission belt and a first motor; the connecting plate is installed between the first movable plate and the slide groove, and is connected to the first movable plate; the first screw rod is installed in the slide groove; the slider is slidably installed in the slide groove, and is connected to the first screw rod and the connecting plate; the first transmission belt is connected to the ends of the two first screw rods to synchronously drive the two first screw rods to rotate; the first motor is connected to one of the first screw rods.

3. A workpiece positioning device for a grinding machine according to claim 2, characterized in that: The second driving unit includes a second screw rod, a second motor and a second transmission belt; the second screw rod is installed between the two connecting plates and connected to the second movable plate, and the second screw rod is perpendicular to the first screw rod; the second motor is installed on the side of the connecting plate and connected to the second screw rod through the second transmission belt.

4. The workpiece positioning device for a grinding machine according to claim 1, characterized in that: The bottom of the placement plate is rotatably mounted on the second movable plate through a rotating shaft, and the placement plate is a circular placement plate, and a gear ring is arranged around the side of the circular placement plate; the third driving unit includes a third screw rod, a rack and a third motor; the third screw rod is mounted on the second movable plate; The rack is mounted on the third screw rod and meshes with the gear ring; The third motor is connected to the third screw rod and is used to drive the third screw rod to rotate.

5. The workpiece positioning device for a grinding machine according to claim 1, characterized in that: The clamping unit includes clamping plates installed on both sides of the placement plate, and a power cylinder connected to the clamping plates and used to drive the clamping plates to approach or move away from the placement plate; the power cylinder is installed on the second movable plate through a fixed plate.

6. A workpiece positioning device for a grinding machine according to claim 5, characterized in that: The side of the clamping plate used for clamping the workpiece is provided with buffer cotton.

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