Workpiece clamping device of numerical control mortise and tenon machining equipment

Abstract

The utility model discloses a workpiece clamping device of numerical control mortise and tenon machining equipment, which comprises a rectangular bottom plate, longitudinal square steel is fixed in the middle of the bottom plate, a longitudinal T-shaped groove is formed on the upper end face of the square steel, and a plurality of groups of positioning holes communicated with the T-shaped groove are formed on two side walls of the middle and rear parts of the square steel; a T-shaped sliding block and an I-shaped positioning block are respectively inserted into the T-shaped groove of the square steel; fixed supporting shafts or movable supporting shafts are respectively formed on two side walls of the positioning block or two side walls of the sliding block; first connecting rods are inserted into the movable fulcrum shafts on the two sides of the sliding block in a sleeved mode, second connecting rods are inserted into the positioning blocks on the two sides of the positioning block in a sleeved mode, a transverse connecting shaft is inserted into the upper ends of the first connecting rods, and the two ends of the connecting shaft penetrate through the upper ends of the second connecting rods to be fixedly inserted into a rectangular pressing block. The tail end of the clamping lead screw abuts against the sliding block.

Description

Technical Field

[0001] The utility model relates to the technical field of woodworking machinery, and more specifically to a workpiece clamping device of numerically controlled mortise and tenon processing equipment. Background Art

[0002] Flooring is a building material used for the surface layer of the ground or floor of a house, and is generally made of wood. At present, floors are fixed to each other by splicing, and the spliced ​​structure is fixed by the mortise and tenon structure set at the edge of the floor. For the mortise and tenon structure at the edge of the floor, the floor is clamped to the mortise and tenon processing equipment, and the mortise and tenon on the floor is processed by the milling cutter or cutting wheel on the equipment. The existing mortise and tenon clamping is generally through a bolt assembly, using a pressure plate and a bottom plate to clamp two floors, which only constrains the upper and lower end faces of the floor. When the position of the floor needs to be manually positioned, it is also easy to cause the floor to move during the clamping process. Utility Model Content

[0003] The purpose of the utility model is to address the deficiencies of the prior art and to provide a workpiece clamping device for CNC mortise and tenon processing equipment, which can effectively position the floor, is provided with multiple constraint structures fixed on the floor, and the floor will not be displaced during the clamping process.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A workpiece clamping device for CNC mortise and tenon processing equipment comprises a rectangular base plate, a longitudinal square steel is fixed in the middle of the base plate, a longitudinal T-slot is formed on the upper end surface of the square steel, and a plurality of positioning holes connected to the T-slot are formed on the two side walls of the middle and rear parts of the square steel; a T-shaped sliding block and an I-shaped positioning block are respectively inserted in the T-slot of the square steel, and a fixed support shaft or a movable support shaft is respectively formed on the two side walls of the positioning block or the two side walls of the sliding block; a first connecting rod is inserted into the movable support shaft on both sides of the sliding block, and a second connecting rod is inserted into the positioning blocks on both sides of the positioning block, a transverse connecting shaft is inserted into the upper end of the first connecting rod, and both ends of the connecting shaft pass through the upper end of the second connecting rod and are inserted and fixed on the rectangular pressing block; a transverse positioning column is inserted into the positioning block, and both ends of the positioning column are inserted into the positioning hole of the square steel and expose the two side walls of the square steel; a longitudinal clamping screw is screwed on the positioning block, and the end of the clamping screw rests on the sliding block.

[0006] Preferably, the positioning holes are linearly and evenly distributed on the square steel, and the diameter of the positioning holes is equal to the diameter of the positioning columns.

[0007] Preferably, the movable support shaft on the sliding block and the fixed support shaft on the positioning block are both located above the square steel, and the distance between the two side walls of the sliding block above the square steel is smaller than the distance between the two side walls of the positioning block.

[0008] Preferably, the distance between the side end surfaces of the movable support shafts on both sides of the sliding block is smaller than the distance between the two side walls of the square steel, and the distance between the side end surfaces of the fixed support shafts on both sides of the positioning block is smaller than the distance between the two side walls of the square steel.

[0009] Preferably, the length of the clamping screw is greater than the length of the second connecting rod, and the head of the clamping screw is formed with a cylindrical connecting head, and the connecting head is formed with a hexagonal countersunk hole.

[0010] Preferably, both ends of the first connecting rod or the second connecting rod are semicircular.

[0011] The beneficial effects of the utility model are that the floor can be effectively positioned, a plurality of restraining structures are provided to be fixed on the floor, and the floor will not be displaced during the clamping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is a side view structural schematic diagram of the utility model;

[0014] Figure 3 This is a front view structural schematic diagram of the utility model;

[0015] Figure 4 It is a schematic diagram of the top structure of the utility model.

[0016] In the figure: 1, bottom plate; 2, square steel; 21, T-slot; 22, positioning hole; 3, positioning block; 31, fixed support shaft; 4, sliding block; 41, movable support shaft; 5, positioning column; 6, second connecting rod; 7, first connecting rod; 8, connecting shaft; 9, pressure block; 10, clamping screw. DETAILED DESCRIPTION

[0017] Example: See Figures 1 to 4As shown, a workpiece clamping device for CNC mortise and tenon processing equipment includes a rectangular bottom plate 1, a longitudinal square steel 2 is fixed in the middle of the bottom plate 1, a longitudinal T-shaped slot 21 is formed on the upper end surface of the square steel 2, and a plurality of groups of positioning holes 22 connected to the T-shaped slot 21 are formed on the two side walls of the middle and rear parts of the square steel 2; a T-shaped sliding block 4 and an I-shaped positioning block 3 are respectively inserted into the T-shaped slot 21 of the square steel 2, and a fixed support shaft 31 or a movable support shaft 41 is respectively formed on the two side walls of the positioning block 3 or the two side walls of the sliding block 4; the sliding block The movable support shafts 41 on both sides of the positioning block 3 are sleeved with first connecting rods 7, the positioning blocks 3 on both sides of the positioning block 3 are sleeved with second connecting rods 6, the upper end of the first connecting rod 7 is inserted with a transverse connecting shaft 8, and the two ends of the connecting shaft 8 pass through the upper end of the second connecting rod 6 and are inserted and fixed on the rectangular pressing block 9; the positioning block 3 is inserted with a transverse positioning column 5, and the two ends of the positioning column 5 are inserted into the positioning hole 22 of the square steel 2 and exposed on both side walls of the square steel 2; the positioning block 3 is screwed with a longitudinal clamping screw 10, and the end of the clamping screw 10 abuts against the sliding block 4.

[0018] The positioning holes 22 are linearly and evenly distributed on the square steel 2 , and the diameter of the positioning holes 22 is equal to the diameter of the positioning column 5 .

[0019] The movable support shaft 41 on the sliding block 4 and the fixed support shaft 31 on the positioning block 3 are both located above the square steel 2 , and the distance between the two side walls of the sliding block 4 above the square steel 2 is smaller than the distance between the two side walls of the positioning block 3 .

[0020] The distance between the side end surfaces of the movable support shaft 41 on both sides of the sliding block 4 is smaller than the distance between the two side walls of the square steel 2, and the distance between the side end surfaces of the fixed support shaft 31 on both sides of the positioning block 3 is smaller than the distance between the two side walls of the square steel 2.

[0021] The length of the clamping screw rod 10 is greater than that of the second connecting rod 6 , and a cylindrical connector is formed on the head of the clamping screw rod 10 , and a hexagonal countersunk hole is formed on the connector.

[0022] Both ends of the first connecting rod 7 or the second connecting rod 6 are semicircular.

[0023] Working principle: The utility model is a workpiece clamping device for CNC mortise and tenon processing equipment, and the clamping device is provided with four constraint structures, namely, a pressure block 9, a square steel 2, a positioning column 5 and a bottom plate 1. Compared with the traditional clamping structure, the positioning column 5 and the square steel 2 structure are added. When clamping the floor, the side of the floor can be pressed against the square steel 2, and the rear end of the floor can be pressed against the positioning column 5, so as to realize the effective positioning of the floor;

[0024] During clamping, by rotating the clamping screw 10, the clamping screw 10 pushes the sliding block 4 to move, and the distance between the sliding block 4 and the positioning block 3 increases, driving the inclination angle of the first connecting rod 7 and the second connecting rod 6 to decrease, so that the pressing block 9 is pressed down to cooperate with the base plate 1 to clamp the floor.

[0025] The embodiments are used to illustrate the present invention, but not to limit the present invention. Any person skilled in the art may modify the embodiments without violating the spirit and scope of the present invention, and therefore the scope of protection of the present invention shall be as set forth in the claims of the present invention.

Claims

1. A workpiece clamping device for CNC mortise and tenon processing equipment, comprising a rectangular base plate (1), a longitudinal square steel (2) fixed in the middle of the base plate (1), a longitudinal T-shaped groove (21) formed on the upper end surface of the square steel (2), characterized in that: A plurality of groups of positioning holes (22) connected to the T-shaped slot (21) are formed on the side walls of the middle and rear parts of the square steel (2); a T-shaped sliding block (4) and an I-shaped positioning block (3) are respectively inserted into the T-shaped slot (21) of the square steel (2); a fixed support shaft (31) or a movable support shaft (41) is respectively formed on the side walls of the positioning block (3) or the side walls of the sliding block (4); a first connecting rod (7) is inserted into the movable support shaft (41) on both sides of the sliding block (4); and a first connecting rod (7) is inserted into the positioning block (3) on both sides of the positioning block (3). There is a second connecting rod (6), the upper end of the first connecting rod (7) is plugged with a transverse connecting shaft (8), and the two ends of the connecting shaft (8) pass through the upper end of the second connecting rod (6) and are plugged and fixed on a rectangular pressing block (9); a transverse positioning column (5) is plugged on the positioning block (3), and the two ends of the positioning column (5) are plugged into the positioning hole (22) of the square steel (2) and exposed on both side walls of the square steel (2); the positioning block (3) is screwed with a longitudinal clamping screw (10), and the end of the clamping screw (10) is against the sliding block (4).

2. A workpiece clamping device for CNC mortise and tenon processing equipment according to claim 1, characterized in that: The positioning holes (22) are linearly and evenly distributed on the square steel (2), and the diameter of the positioning holes (22) is equal to the diameter of the positioning column (5).

3. The workpiece clamping device of the CNC mortise and tenon processing equipment according to claim 1 is characterized in that: The movable support shaft (41) on the sliding block (4) and the fixed support shaft (31) on the positioning block (3) are both located above the square steel (2), and the distance between the two side walls of the sliding block (4) above the square steel (2) is smaller than the distance between the two side walls of the positioning block (3).

4. The workpiece clamping device of the CNC mortise and tenon processing equipment according to claim 3 is characterized in that: The spacing between the side end surfaces of the movable support shaft (41) on both sides of the sliding block (4) is smaller than the spacing between the side walls of the square steel (2), and the spacing between the side end surfaces of the fixed support shaft (31) on both sides of the positioning block (3) is smaller than the spacing between the side walls of the square steel (2).

5. The workpiece clamping device of the CNC mortise and tenon processing equipment according to claim 1 is characterized in that: The length of the clamping screw rod (10) is greater than the length of the second connecting rod (6), and the head of the clamping screw rod (10) is formed with a cylindrical connecting head, and the connecting head is formed with a hexagonal countersunk hole.

6. The workpiece clamping device of the CNC mortise and tenon processing equipment according to claim 1, characterized in that: Both ends of the first connecting rod (7) or the second connecting rod (6) are semicircular.

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