Flexible quick-adjusting tray clamp
By designing a flexible quick-adjust pallet fixture, the problem of rapid conversion and precise positioning of the three-axis robotic arm on the machine tool was solved, achieving efficient clamping of multiple types of workpieces and improving processing efficiency.
Patent Information
- Application Number
- CN202422735776.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-11
AI Technical Summary
Existing technologies make it difficult to achieve a fixture device that can quickly convert and accurately position a three-axis robotic arm on a machine tool, resulting in high manual operation costs and low efficiency.
A flexible quick-adjust pallet fixture was designed, including a conversion fixture, an oblique clamp adapter plate and an oblique clamp. The dovetail groove, dovetail pin fixing column and positioning baffle groove were used to achieve multi-directional displacement and precise positioning of the workpiece, which is suitable for the rapid conversion of three-axis robotic arms.
It realizes the rapid conversion and precise positioning of the three-axis robotic arm, reduces the manual operation cost, improves the processing efficiency and adaptability, and is suitable for the clamping and positioning of various types of workpieces.
Smart Images

Figure CN223325936U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of mechanical processing, and specifically relates to a fast-changing fixture tooling device for an automated production line. Background Art
[0002] Machining manufacturing is a modern industrial production process that can produce a wide variety of parts and products. With the continuous development of science and technology, automation technology has been widely used in the field of machining manufacturing. As a common industrial robot, the three-axis robotic arm operates based on the movement of three joints, achieving position and posture control of objects in three-dimensional space. By controlling the angle and speed of the joints, the robotic arm's end effector can be precisely positioned in space. The rapid clamping and repositioning capabilities of the robotic arm can be used in CNC machining centers to reduce manual operations and lower labor costs. Therefore, finding a suitable device for various machine tools to achieve rapid conversion and precise positioning is a problem that needs to be solved. Utility Model Content
[0003] In view of the problems existing in the above background technology, the utility model provides a flexible quick adjustment pallet clamp
[0004] The technical solution of the present utility model is achieved as follows:
[0005] A flexible quick-adjust pallet fixture comprises a conversion fixture, an oblique clamping block adapter plate, and an oblique clamping block; the conversion fixture has a transverse dovetail groove on its upper surface, the oblique clamping block adapter plate has a lower surface constrained in the transverse dovetail groove and movable along the transverse dovetail groove; the oblique clamping block is mounted on top of the oblique clamping block adapter plate;
[0006] The oblique clamping block includes a fixed tailstock, a sliding seat and a pressing seat located in the same plane; the sliding seat is located between the fixed tailstock and the pressing seat, wherein the fixed tailstock is fixedly connected to the oblique clamping block adapter plate; one side of the fixed tailstock adjacent to the sliding seat is a vertical surface, on which a vertical dovetail groove is provided, and one side of the pressing seat adjacent to the sliding seat is an inclined surface, on which an oblique dovetail groove is provided; vertical dovetails and oblique dovetails are respectively provided on both sides of the sliding seat; the vertical dovetail cooperates with the vertical dovetail groove, and the oblique dovetail cooperates with the oblique dovetail groove;
[0007] The sliding seat is provided with a stepped hole, and the oblique clamping block adapter plate is provided with a threaded hole facing the stepped hole; a spring is provided in the stepped hole, and a limit screw passes through the spring and is threadedly engaged with the threaded hole.
[0008] Furthermore, a positioning baffle groove is provided on the upper surface of the oblique clamp block adapter plate; the positioning baffle groove is arranged longitudinally and perpendicular to the transverse dovetail groove, and a positioning baffle is installed on the positioning baffle groove.
[0009] Furthermore, the fixed tailstock is connected to the oblique clamping block adapter plate through a dovetail pin fixing column; the dovetail pin fixing column includes a sleeve with a built-in thread and a dovetail block located at the bottom of the sleeve; the sleeve passes through the oblique clamping block adapter plate and is connected to the fixed tailstock through a fastening screw, and the dovetail block is located in the transverse dovetail groove.
[0010] Furthermore, the lower surface of the conversion fixture is provided with a skirt, the inner side of the skirt is provided with a sealing strip for sealing, and a zero point positioning ring groove and a zero point positioning locking column are provided in the area surrounded by the skirt; the positioning locking column is located at the center position of the zero point positioning ring groove.
[0011] The beneficial effects of the present invention are as follows:
[0012] The utility model utilizes a universal zero-point positioning device and perfectly connects a universal vise and a conversion fixture through a homemade device. It is suitable for a three-axis robotic arm chip recognition fixture library to achieve rapid conversion, accurate positioning, and improved overall efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic structural diagram of an embodiment of the present utility model
[0014] Figure 2 This is a schematic diagram of the back structure of an embodiment of the utility model
[0015] Figure 3 This is a structural diagram of the dovetail pin fixing column of the utility model embodiment
[0016] Figure 4 This is a schematic diagram of the back structure of the oblique clamp block adapter plate according to an embodiment of the present utility model.
[0017] In the figure: 1. Conversion fixture, 2. Dovetail pin fixing column, 3. Oblique clamp adapter plate, 4. Oblique clamp, 5. Positioning baffle groove, 6. Positioning baffle, 7. Sealing strip, 8. Mechanical bracket positioning hole, 9. Ear, 10. Zero point positioning ring groove, 11. Skirt, 12. Zero point positioning locking column. DETAILED DESCRIPTION
[0018] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0019] Reference Figures 1 to 4 ,
[0020] A flexible quick-adjust pallet fixture comprises a conversion fixture, an oblique clamping block adapter plate, and an oblique clamping block; the conversion fixture has a transverse dovetail groove on its upper surface, the oblique clamping block adapter plate has a lower surface constrained in the transverse dovetail groove and movable along the transverse dovetail groove; the oblique clamping block is mounted on top of the oblique clamping block adapter plate;
[0021] The oblique clamping block includes a fixed tailstock, a sliding seat and a pressing seat located in the same plane; the sliding seat is located between the fixed tailstock and the pressing seat, wherein the fixed tailstock is fixedly connected to the oblique clamping block adapter plate; one side of the fixed tailstock adjacent to the sliding seat is a vertical surface, on which a vertical dovetail groove is provided, and one side of the pressing seat adjacent to the sliding seat is an inclined surface, on which an oblique dovetail groove is provided; vertical dovetails and oblique dovetails are respectively provided on both sides of the sliding seat; the vertical dovetail cooperates with the vertical dovetail groove, and the oblique dovetail cooperates with the oblique dovetail groove;
[0022] The sliding seat is provided with a stepped hole, and the oblique clamping block adapter plate is provided with a threaded hole facing the stepped hole; a spring is provided in the stepped hole, and a limit screw passes through the spring and is threadedly engaged with the threaded hole.
[0023] A positioning baffle groove is further provided on the upper surface of the oblique clamp block adapter plate; the positioning baffle groove is arranged longitudinally and perpendicular to the transverse dovetail groove, and a positioning baffle is installed on the positioning baffle groove.
[0024] The fixed tailstock is connected to the oblique clamping block adapter plate through a dovetail pin fixing column; the dovetail pin fixing column includes a sleeve with a built-in thread and a dovetail block located at the bottom of the sleeve; the sleeve passes through the oblique clamping block adapter plate and is connected to the fixed tailstock through a fastening screw, and the dovetail block is located in the transverse dovetail groove.
[0025] The lower surface of the conversion fixture is provided with a skirt, the inner side of the skirt is provided with a sealing strip for sealing, and a zero point positioning ring groove and a zero point positioning locking column are provided in the area surrounded by the skirt; the positioning locking column is located at the center of the zero point positioning ring groove.
[0026] Further explanation:
[0027] The conversion fixture is as follows Figure 1 The figure shows a dovetail groove, a dovetail pin fixing column, a positioning baffle groove, and a positioning baffle mounting hole.
[0028] The oblique clamp adapter plate features dovetail pin mounting posts and pre-tightened oblique clamp mounting holes. Once the oblique clamp is installed, the dovetail slots allow for horizontal movement and workpiece clamping. The oblique clamp consists of three parts. After securing the tailstock, pre-tightening the intermediate block bolts causes the dovetail mating surface of the movable block to slide downward, applying radial force to clamp the workpiece.
[0029] The positioning baffle is equipped with three fixed stepped holes, which are limited by the positioning baffle slot of the conversion fixture and are used to locate the workpiece zero point after being fixed. The oblique clamping block and the transverse dovetail groove can be clamped in multiple directions according to the size of the workpiece. The back of the conversion fixture tray is equipped with a recessed stepped surface, a zero-point positioning ring groove, a zero-point positioning locking column, and a mechanical bracket positioning hole (located on the ears of the conversion fixture). These features cooperate to realize the transposition process. The processing is suitable for clamping multiple workpieces in batches, and is suitable for clamping workpieces of different sizes and varieties, with precise positioning and high processing efficiency.
[0030] The above description is merely an embodiment of the present invention, but the present invention is not limited to the embodiment. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit and principles of the present invention, and such equivalent modifications or substitutions are all within the scope defined by the claims of this application.
Claims
1. A flexible quick-adjustable pallet fixture, characterized in that: The invention comprises a conversion fixture, an oblique clamping block adapter plate and an oblique clamping block; the upper surface of the conversion fixture is provided with a transverse dovetail groove, the lower surface of the oblique clamping block adapter plate is constrained in the transverse dovetail groove and can move along the transverse dovetail groove; the oblique clamping block is installed on the top of the oblique clamping block adapter plate; The oblique clamping block includes a fixed tailstock, a sliding seat and a pressing seat located in the same plane; the sliding seat is located between the fixed tailstock and the pressing seat, wherein the fixed tailstock is fixedly connected to the oblique clamping block adapter plate; one side of the fixed tailstock adjacent to the sliding seat is a vertical surface, on which a vertical dovetail groove is provided, and one side of the pressing seat adjacent to the sliding seat is an inclined surface, on which an oblique dovetail groove is provided; vertical dovetails and oblique dovetails are respectively provided on both sides of the sliding seat; the vertical dovetail cooperates with the vertical dovetail groove, and the oblique dovetail cooperates with the oblique dovetail groove; The sliding seat is provided with a stepped hole, and the oblique clamping block adapter plate is provided with a threaded hole facing the stepped hole; a spring is provided in the stepped hole, and a limit screw passes through the spring and is threadedly engaged with the threaded hole.
2. The flexible quick-adjustable tray clamp according to claim 1, characterized in that: A positioning baffle groove is further provided on the upper surface of the oblique clamp block adapter plate; the positioning baffle groove is arranged longitudinally and perpendicular to the transverse dovetail groove, and a positioning baffle is installed on the positioning baffle groove.
3. The flexible quick-adjustable tray clamp according to claim 1, characterized in that: The fixed tailstock is connected to the oblique clamping block adapter plate through a dovetail pin fixing column; the dovetail pin fixing column includes a sleeve with a built-in thread and a dovetail block located at the bottom of the sleeve; the sleeve passes through the oblique clamping block adapter plate and is connected to the fixed tailstock through a fastening screw, and the dovetail block is located in the transverse dovetail groove.
4. The flexible quick-adjustable tray fixture according to claim 1, characterized in that: The lower surface of the conversion fixture is provided with a skirt, the inner side of the skirt is provided with a sealing strip for sealing, and a zero point positioning ring groove and a zero point positioning locking column are provided in the area surrounded by the skirt; the positioning locking column is located at the center of the zero point positioning ring groove.