Woodworking clamp with large clamping surface

Abstract

The utility model relates to the technical field of woodworking clamps, in particular to a woodworking clamp with a large clamping surface. According to the technical scheme, the device comprises a steel pipe guide rail, a main clamp is slidably arranged at the middle end of the steel pipe guide rail, an auxiliary clamp is slidably arranged at the right end of the steel pipe guide rail, the sides, close to each other, of the main clamp and the auxiliary clamp are each provided with a first clamping face, and the front side and the rear side of each first clamping face are each provided with a rectangular containing groove; a rectangular guide rod is slidably arranged in each rectangular storage groove, and second clamping faces are arranged on the sides, away from each other, of the two rectangular guide rods. By arranging the first clamping face to the first screw rod, the device can adjust the clamping face according to the size of a clamped piece, so that the applicability and practicability of the device are improved, the top face of the clamped piece can be limited by arranging the supporting rod to the limiting rod, it is guaranteed that the clamped piece is more stable, and therefore the wood piece machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of woodworking clamps, in particular to a woodworking clamp with a large clamping surface. Background Art

[0002] A woodworking clamp is a tool used to secure and clamp wood or other materials. It applies pressure to hold workpieces steady during machining, gluing, or assembly, ensuring accurate and secure joints. It typically consists of a clamping surface, an adjustment screw, and a handle, enabling quick adjustment of clamping force. These types include C-clamps, pipe clamps, and glue clamps, each suitable for different woodworking scenarios. Existing woodworking clamps lack sufficient adaptability to workpieces of varying shapes and sizes, leading to the need for a clamp with a larger clamping surface. Utility Model Content

[0003] The purpose of the utility model is to solve the problems existing in the background technology and to provide a woodworking clamp with a large clamping surface.

[0004] The technical solution of the utility model is as follows: a woodworking clamp with a large clamping surface comprises a steel pipe guide rail, a main clamp is slidably provided at the middle end of the steel pipe guide rail, a sub-clamp is slidably provided at the right end of the steel pipe guide rail, a clamping surface 1 is provided on the side where the main clamp and the sub-clamp are close to each other, a group of rectangular receiving grooves are provided on the front and rear sides of each clamping surface 1, a group of rectangular guide rods are slidably provided inside each group of rectangular receiving grooves, a clamping surface 2 is provided on the side where the two groups of rectangular guide rods are away from each other, a knob is provided on the side where the two clamping surfaces 2 are away from each other, and a knob is provided on the side where the two knobs are close to each other. A connecting rod is provided, and one end of the two connecting rods close to each other is provided with a screw 1, and the ends of the two screw 1s close to each other are respectively threadedly connected to the front and rear sides of the clamping surface 1, and the top surface of each clamping surface 1 is rotatably provided with a support rod, and the top of each support rod is provided with a mounting rod, and the top surface of each mounting rod is threadedly connected with a screw 2, and the top of each screw 2 is provided with a turning handle, and the bottom end of each screw 2 is rotatably provided with a lower pressure plate, and the top surface of each lower pressure plate is provided with a limiting rod, and each limiting rod is slidably connected to a corresponding mounting rod.

[0005] Preferably, pin holes 1 are provided at both ends of the steel pipe guide rail, and pin holes 2 are provided on the front side of the auxiliary clamp. The same positioning piece is provided inside the pin holes 2 and the corresponding pin holes 1.

[0006] Preferably, the main clamp includes a slider, a sliding assembly is provided inside the slider, a fixed trigger is provided on the bottom surface of the slider, a movable handle is rotatably provided on one side of the fixed trigger, a quick-feed button is provided on the side of the fixed trigger away from the movable handle, and a connecting block 1 is provided on the top surface of the slider, and the right side of the connecting block 1 is fixedly connected to the left side of a clamping surface 1.

[0007] Preferably, the auxiliary clamp includes a sliding sleeve, a top surface of the sliding sleeve is provided with a connecting block 2, and a left side of the connecting block 2 is fixedly connected to a right side of a clamping surface 1.

[0008] Preferably, a large anti-slip pad is provided on one side of the two clamping surfaces that are close to each other.

[0009] Preferably, the top surface and the bottom surface of the second clamping surface are flush with the top surface and the bottom surface of the first clamping surface.

[0010] Preferably, a small anti-slip pad is provided on one side of each of the second clamping surfaces close to the other first clamping surface.

[0011] Preferably, each of the connecting rods is rotatably connected to the corresponding second clamping surface.

[0012] Preferably, threaded holes are provided on both the front and rear sides of each of the clamping surfaces 1, and each of the screw rods 1 is threadedly connected to a corresponding threaded hole.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] The utility model sets a clamping surface to a screw rod, so that the device can adjust the clamping surface according to the size of the clamping part, thereby improving the applicability and practicality of the equipment. By setting a support rod to a limit rod, the top surface of the clamping part can be limited to ensure that the clamping part is more stable, thereby improving the efficiency of wood processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0017] Figure 3 It is a cross-sectional view of a partial area structure of the utility model;

[0018] Figure 4 This is an exploded view of the partial regional structure of the utility model.

[0019] Figure numerals: 1. Steel pipe guide rail; 2. Main clamp; 201. Slider; 202. Fixed trigger; 203. Movable handle; 204. Quick release button; 205. Connecting block one; 3. Auxiliary clamp; 301. Slide sleeve; 302. Connecting block two; 4. Clamping surface one; 5. Rectangular storage groove; 6. Rectangular guide rod; 7. Clamping surface two; 8. Knob; 9. Connecting rod; 10. Screw one; 11. Support rod; 12. Mounting rod; 13. Screw two; 14. Turning handle; 15. Lower pressure plate; 16. Limit rod; 17. Pin hole one; 18. Pin hole two; 19. Positioning piece; 20. Large anti-slip pad; 21. Small anti-slip pad. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments. Example

[0021] like Figures 1 to 4 As shown, the woodworking clamp with a large clamping surface proposed by the present invention includes a steel pipe guide rail 1, a pin hole 17 is opened at both ends of the steel pipe guide rail 1, a pin hole 2 18 is opened on the front side of the auxiliary clamp 3, and the pin hole 2 18 and the corresponding pin hole 1 17 are provided with the same positioning member 19 inside. By providing the pin hole 17, the pin hole 2 18, and the positioning member 19, it is convenient to position the auxiliary clamp 3. The middle end of the steel pipe guide rail 1 is slidably provided with a main clamp 2, and the main clamp 2 includes a slider 201, and a sliding assembly is provided inside the slider 201. The sliding assembly inside the slider 201 The movable assembly is of prior art and will not be described in detail again. A fixed trigger 202 is provided on the bottom surface of the slider 201. The slider 201 is fixedly connected to the fixed trigger 202. A movable handle 203 is rotatably provided on one side of the fixed trigger 202. A fast-feed button 204 is provided on the side of the fixed trigger 202 away from the movable handle 203. A connecting block 1 205 is provided on the top surface of the slider 201. The top surface of the slider 201 is fixedly connected to the bottom surface of the connecting block 1 205. The right side of the connecting block 1 205 is fixedly connected to the left side of a clamping surface 1 4.

[0022] The right end of the steel pipe guide rail 1 is slidably provided with a secondary clamp 3, the secondary clamp 3 includes a sliding sleeve 301, the top surface of the sliding sleeve 301 is provided with a connecting block 2 302, the top surface of the sliding sleeve 301 is fixedly connected to the connecting block 2 302, the left side of the connecting block 2 302 is fixedly connected to the right side of a clamping surface 1 4, the main clamp 2 and the secondary clamp 3 are both provided with a clamping surface 1 4 on the side close to each other, and the two clamping surfaces 1 4 are both provided with a large anti-slip pad 20 on the side close to each other, and the clamping surface 1 4 is fixedly connected to the large anti-slip pad 20. 20 can protect the clamping part of the clamping member from damage and increase friction to prevent the clamping member from displacement. A set of rectangular receiving grooves 5 are provided on the front and rear sides of each clamping surface 1 4. A set of rectangular guide rods 6 are slidably provided inside each set of rectangular receiving grooves 5. A clamping surface 2 7 is provided on the side away from each other of the two sets of rectangular guide rods 6. The rectangular guide rods 6 are fixedly connected to the clamping surface 2 7. The rectangular receiving grooves 5 can guide and limit the rectangular guide rods 6, thereby guiding and limiting the clamping surface 2 7.

[0023] The top and bottom surfaces of the clamping surface 2 7 are flush with the top and bottom surfaces of the clamping surface 1 4. A small anti-skid pad 21 is provided on the side of each clamping surface 2 7 close to the other clamping surface 1 4. The small anti-skid pad 21 is provided to protect the clamping member and increase the friction to prevent the clamping member from moving. A knob 8 is provided on the side away from each other of the two clamping surfaces 2 7. The clamping surface 2 7 and the knob 8 are rotatably connected. A connecting rod 9 is provided on the side close to each other of the two knobs 8. The knob 8 and the connecting rod 9 are fixed. Fixed connection, each connecting rod 9 is rotatably connected to the corresponding clamping surface 2 7, and the ends of the two connecting rods 9 close to each other are provided with a screw 10, and the connecting rod 9 and the screw 10 are fixedly connected. The front and rear sides of each clamping surface 1 4 are provided with threaded holes, and each screw 10 is threadedly connected to a corresponding threaded hole. The ends of the two screws 10 close to each other are threadedly connected to the front and rear sides of the clamping surface 1 4, and the connecting rod 9 can be driven to rotate by turning the knob 8;

[0024] The rotation of the connecting rod 9 can drive the screw rod 10 to rotate, and the rotation of the screw rod 10 can make the screw rod 10 move out from the inside of the threaded hole, thereby driving the clamping surface 2 7 to move. The top surface of each clamping surface 4 is rotatably provided with a support rod 11, and the top of each support rod 11 is provided with a mounting rod 12. The top of the support rod 11 is fixedly connected to the bottom surface of the mounting rod 12. The top surface of each mounting rod 12 is threadedly connected to a screw rod 2 13, and the top of each screw rod 2 13 is provided with a turning handle 14. The top of the screw rod 2 13 is fixedly connected to the bottom surface of the turning handle 14. Each screw The bottom ends of the two screws 13 are rotatably provided with a lower pressure plate 15, and the top surface of each lower pressure plate 15 is provided with a limiting rod 16. The top surface of the lower pressure plate 15 is fixedly connected to the bottom end of the limiting rod 16, and each limiting rod 16 is slidably connected to a corresponding mounting rod 12. The limiting rod 16 is slidably connected to the mounting rod 12, so as to limit the lower pressure plate 15. When the handle 14 is rotated, the screw 2 13 can be driven to move up and down along the threaded connection position of the top surface of the mounting rod 12, so that the position height of the lower pressure plate 15 can be adjusted, and it is suitable for clamping and fixing clamps of different sizes.

[0025] In this embodiment, when using this device, when it is necessary to adjust the size of the clamping surface, the knob 8 is rotated, and the rotation of the knob 8 can drive the connecting rod 9 to rotate, and the rotation of the connecting rod 9 can drive the screw 10 to rotate, and the rotation of the screw 10 will cause the screw 10 to move out of the threaded hole on the clamping surface 4, thereby moving the clamping surface 2 7 to the required position, thereby expanding the clamping surface, and then when it is necessary to position the top surface of the clamping part, the handle 14 is rotated, and the rotation of the handle 14 can drive the screw 2 13 to rotate, and the rotation of the screw 2 13 can drive the screw 2 13 to move up and down along the position where it is threadedly connected to the mounting rod 12, so that the position height of the lower pressure plate 15 can be adjusted, so that it is suitable for clamping at different heights of the clamping parts.

[0026] The above specific embodiment is only a preferred embodiment of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above embodiment, those skilled in the art can make various alternative improvements and combinations to the above specific embodiment.

Claims

1. A woodworking clamp with a large clamping surface, comprising a steel pipe guide rail (1), characterized in that: The middle end of the steel pipe guide rail (1) is slidably provided with a main clamp (2), and the right end of the steel pipe guide rail (1) is slidably provided with a secondary clamp (3), and the sides of the main clamp (2) and the secondary clamp (3) close to each other are both provided with a clamping surface (4), and each of the front and rear sides of the clamping surface (4) is provided with a group of rectangular receiving grooves (5), and each group of rectangular receiving grooves (5) is slidably provided with a group of rectangular guide rods (6), and the sides of the two groups of rectangular guide rods (6) away from each other are both provided with a clamping surface (7), and the sides of the two clamping surfaces (7) away from each other are both provided with a knob (8), and the sides of the two knobs (8) close to each other are both provided with a connecting rod (9), and the sides of the two connecting rods (9) close to each other are both provided with a connecting rod (9). The ends of the two screw rods (10) are provided with screw rods 1 (10), and the ends of the two screw rods 1 (10) that are close to each other are respectively threadedly connected to the front and rear sides of the clamping surface 1 (4), and the top surface of each clamping surface 1 (4) is rotatably provided with a support rod (11), and the top of each support rod (11) is provided with a mounting rod (12), and the top surface of each mounting rod (12) is threadedly connected with screw rod 2 (13), and the top of each screw rod 2 (13) is provided with a turning handle (14), and the bottom end of each screw rod 2 (13) is rotatably provided with a lower pressure plate (15), and the top surface of each lower pressure plate (15) is provided with a limiting rod (16), and each limiting rod (16) is slidably connected to a corresponding mounting rod (12).

2. The woodworking clamp with a large clamping surface according to claim 1, characterized in that: Both ends of the steel pipe guide rail (1) are provided with a pin hole 1 (17), and the front side of the auxiliary clamp (3) is provided with a pin hole 2 (18). The same positioning piece (19) is provided inside the pin hole 2 (18) and the corresponding pin hole 1 (17).

3. The woodworking clamp with a large clamping surface according to claim 1, characterized in that: The main clamp (2) includes a slider (201), a sliding assembly is provided inside the slider (201), a fixed trigger (202) is provided on the bottom surface of the slider (201), a movable handle (203) is provided on one side of the fixed trigger (202), a fast-feed button (204) is provided on the side of the fixed trigger (202) away from the movable handle (203), and a connecting block (205) is provided on the top surface of the slider (201), and the right side of the connecting block (205) is fixedly connected to the left side of a clamping surface (4).

4. The woodworking clamp with a large clamping surface according to claim 1, characterized in that: The auxiliary clamp (3) comprises a sliding sleeve (301), the top surface of the sliding sleeve (301) is provided with a second connecting block (302), and the left side of the second connecting block (302) is fixedly connected to the right side of a clamping surface (4).

5. The woodworking clamp with a large clamping surface according to claim 1, characterized in that: A large anti-slip pad (20) is provided on each side of the two clamping surfaces (4) that are close to each other.

6. The woodworking clamp with a large clamping surface according to claim 1, characterized in that: The top surface and bottom surface of the second clamping surface (7) are flush with the top surface and bottom surface of the first clamping surface (4).

7. The woodworking clamp with a large clamping surface according to claim 1, characterized in that: A small anti-slip pad (21) is provided on one side of each clamping surface 2 (7) close to the other clamping surface 1 (4).

8. The woodworking clamp with a large clamping surface according to claim 1, characterized in that: Each connecting rod (9) is rotationally connected to the corresponding second clamping surface (7).

9. The woodworking clamp with a large clamping surface according to claim 1, characterized in that: Each of the clamping surfaces (4) is provided with threaded holes on both the front and rear sides, and each of the screw rods (10) is threadedly connected to a corresponding threaded hole.

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