Steel plate bench clamp with improved jaw

Abstract

The utility model discloses a steel plate bench clamp with an improved jaw, which comprises a clamping seat, the bottom end of the clamping seat is connected with a switching seat, the rear end of the upper surface of the clamping seat is provided with a limiting pressure head, the upper surface of the clamping seat is provided with a guide groove from front to back, a driving screw rod is arranged in the guide groove, the upper surface of the clamping seat is provided with a clamping head, and the clamping head is provided with a clamping groove. The driving screw is in threaded connection with the bottom of the clamping head, clamping openings are formed in the opposite faces of the clamping head and the limiting pressing head, the clamping openings are of V-shaped structures, pressing plates are arranged at the tops and the bottoms of the clamping openings, and a pair of pressing columns is arranged at the top of each of the clamping head and the limiting pressing head. An adapter is arranged at the bottom of the clamping seat, the whole clamping seat can rotate through the adapter, so that the direction of a clamped workpiece is conveniently adjusted, the workpiece is conveniently machined, clamping openings are formed in the opposite faces of the limiting pressure head and the clamping head, and the clamping openings are of V-shaped structures, so that circular workpieces of different sizes can be clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of bench vises, in particular to a steel plate bench vise with improved jaws. Background Art

[0002] A steel plate bench vise is a type of bench vise. The structure of a steel plate bench vise is often different according to different usage requirements. For example, the Chinese patent authorization announcement number CN209850717U discloses a new type of cast steel plate bench vise, whose structure includes a bench frame, a connecting block, a bolt, a clamping block, a bearing, a screw, a rotating handle, a slider, a slide groove, a rotating device and a buffer device. This new type of cast steel plate bench vise is provided with a rotating device at the lower end of the bolt, and the worm is rotated by the motor to rotate. The worm and the worm gear cooperate with each other to rotate the rotating disk, so that the device can rotate 360° and can be positioned by the motor, thereby solving the problem that the bench vise cannot rotate during use, resulting in inconvenience in use. By arranging a buffer device on the upper right side of the left end of the bench frame, the impact force transmitted by the device is buffered by the buffer body, the support column and the spring, and the buffer function is realized, thereby solving the problem that the steel plate is easily crushed during fixed clamping due to the lack of a buffer device.

[0003] The steel plate vise provided by the above patent has the advantages of being flexible and easy to use, but the jaws of this steel plate vise are limited in use and cannot stably clamp some cylindrical or elliptical workpieces, which leads to processing quality problems when processing some circular workpieces due to unstable clamping. Utility Model Content

[0004] The utility model aims to provide a steel plate bench vise with improved jaws, aiming to improve the problem that the jaws of the existing steel plate bench vise are limited in use and cannot stably clamp some cylindrical or elliptical workpieces, which leads to processing quality problems when processing some circular workpieces due to unstable clamping.

[0005] The utility model is achieved in this way:

[0006] A steel plate bench vise with improved jaws comprises a clamping seat, a transfer seat is connected to the bottom end of the clamping seat, a limiting pressure head is provided at the rear end of the upper surface of the clamping seat, a guide groove is provided on the upper surface of the clamping seat from front to back, a driving screw is installed inside the guide groove, and a clamping head is provided on the upper surface of the clamping seat, the driving screw is threadedly connected to the bottom of the clamping head, and clamping openings are provided on the opposite sides of the clamping head and the limiting pressure head, the clamping opening is a V-shaped structure, and pressure plates are provided at the top and bottom of the clamping opening, and a pair of pressure columns are provided at the tops of the clamping head and the limiting pressure head.

[0007] Preferably, the clamping seat is provided with a first bearing along the front and rear ends of the guide groove, and a connecting head is provided at the bottom end of the clamping seat, a positioning ring is provided at the edge of the connecting head, a clamping bolt is provided on the positioning ring, and a connecting shaft is provided in the middle of the bottom surface of the connecting head, and the connecting shaft is rotatably connected to the adapter seat.

[0008] Preferably, a second bearing is provided in the middle of the upper surface of the adapter seat, and a fixing plate is provided at the bottom end of the adapter seat, and a plurality of fixing holes are provided on the edge of the fixing plate.

[0009] Preferably, both ends of the driving screw are provided with a transfer shaft, and one end of the driving screw protrudes out of the clamping seat, and the end of the driving screw protruding out of the clamping seat is provided with a driving slot.

[0010] Preferably, a connecting block is provided at the bottom of the clamping head, a threaded hole is provided in the middle of the connecting block, and the threaded hole is threadedly connected to the driving screw.

[0011] Preferably, the driving slot is connected to a rotating handle, and a plug connector is provided at one end of the rotating handle facing the driving screw, and the plug connector is plugged into the driving slot. A mounting head is provided at the other end of the rotating handle, and a handle is mounted on the mounting head.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The bottom of the clamping seat of the utility model is provided with an adapter seat, through which the entire clamping seat can be rotated, so as to facilitate the adjustment of the direction of the clamped workpiece, and then facilitate the processing of the workpiece. The limiting pressure head and the clamping head are provided with clamping openings on the opposite side. The clamping openings are V-shaped and can clamp circular workpieces of different sizes. Pressure plates are provided on the top and bottom of the clamping head, and the pressure plates can clamp other workpieces, which effectively improves the flexibility of the use of the bench vise and is also convenient for stably clamping and fixing the workpiece.

[0014] 2. The front end of the driving screw of the utility model is provided with a rotating handle, and the driving screw can be driven to rotate by rotating the handle, so that the driving screw can drive the clamping head to clamp and fix the workpiece conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a structural schematic diagram of the clamping seat of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the adapter of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the driving screw of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the clamping head of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the rotary handle of the utility model.

[0021] In the figure: 1. Clamping seat; 10. Pressure plate; 11. Guide groove; 12. First bearing; 13. Connecting head; 14. Positioning ring; 15. Clamping bolt; 16. Connecting shaft; 17. Limiting pressure head; 18. Clamping mouth; 19. Pressure column; 2. Adapter seat; 21. Second bearing; 22. Fixing plate; 23. Fixing hole; 3. Drive screw; 31. Adapter shaft; 32. Drive slot; 4. Clamping head; 41. Connecting block; 42. Threaded hole; 5. Rotating handle; 51. Plug connector; 52. Mounting head; 53. Handle. DETAILED DESCRIPTION

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0024] Example 1

[0025] like Figure 1 , Figure 2 and Figure 5As shown, a steel plate bench vise with improved jaws includes a clamping seat 1, and an adapter seat 2 is connected to the bottom end of the clamping seat 1. The adapter seat 2 is convenient for assisting the rotation of the clamping seat 1, so that the clamping seat 1 can drive the workpiece to turn, thereby facilitating the processing of the workpiece. A limiting pressure head 17 is provided at the rear end of the upper surface of the clamping seat 1. The limiting pressure head 17 is convenient for limiting the position of the workpiece, and convenient for installing and fixing the workpiece. A guide groove 11 is provided on the upper surface of the clamping seat 1 from front to back, and a driving screw 3 is installed inside the guide groove 11. A clamping head 4 is provided on the upper surface of the clamping seat 1. The driving screw 3 and the bottom of the clamping head 4 are threadedly connected. The guide groove 11 cooperates with the driving screw 3 to facilitate the clamping head 4 to move forward and backward through the driving screw 3, so that the clamping head 4 can drive the workpiece to be pressed and fixed. The clamping head 4 and the limiting pressure head 17 are provided with a clamping opening 18 on the opposite side. The clamping opening 18 is a V-shaped structure. The clamping opening 18 of this structure is used to clamp a circular workpiece, which is convenient for fixing and using the circular workpiece. The clamping opening 18 is provided with a pressing plate 10 at the top and bottom. The pressing plate 10 is convenient for fixing workpieces of other structures. The clamping head 4 and the limiting pressure head 17 are provided with a pair of pressing columns 19 at the top. The pressing columns 19 are convenient for pressing and fixing some thin tubular workpieces.

[0026] like Figure 2 As shown, the clamping seat 1 is provided with a first bearing 12 at the front and rear ends of the guide groove 11. The first bearing 12 is used to cooperate with the driving screw 3 to facilitate the rotation and use of the driving screw 3. A connector 13 is provided at the bottom end of the clamping seat 1. The connector 13 is convenient for the rotational connection between the clamping seat 1 and the adapter 2. A positioning ring 14 is provided on the edge of the connector 13. A clamping bolt 15 is provided on the positioning ring 14. The positioning plate and the clamping bolt 15 are convenient for fixing the corner of the clamping seat 1, and convenient for the stable installation and use of the clamping seat 1. A connecting shaft 16 is provided in the middle of the bottom surface of the connector 13. The connecting shaft 16 is rotationally connected to the adapter 2 to facilitate the rotation of the clamping seat 1.

[0027] like Figure 3 As shown, a second bearing 21 is provided in the middle of the upper surface of the adapter 2, and the second bearing 21 is used to cooperate with the clamping seat 1 to facilitate the rotational connection between the clamping seat 1 and the adapter 2. A fixing plate 22 is provided at the bottom end of the adapter 2, and a plurality of fixing holes 23 are provided at the edge of the fixing plate 22. The cooperation between the fixing plate 22 and the fixing holes 23 facilitates the installation and fixation of the adapter 2 by bolts.

[0028] like Figure 4 As shown, both ends of the driving screw rod 3 are provided with a transfer shaft 31, and the connecting shaft 16 is convenient for the driving screw rod 3 to rotate and facilitate the use of the driving screw rod 3. One end of the driving screw rod 3 protrudes out of the clamping seat 1, and the end of the driving screw rod 3 protruding out of the clamping seat 1 is provided with a driving slot 32, which is used to drive the driving screw rod 3 to rotate, and facilitate the use of the driving screw rod 3.

[0029] like Figure 5As shown, a connecting block 41 is provided at the bottom of the clamping head 4, and a threaded hole 42 is provided in the middle of the connecting block 41. The threaded hole 42 is threadedly connected to the driving screw 3. The connecting block 41 cooperates with the threaded hole 42 so that the clamping head 4 can be smoothly threadedly connected to the driving screw 3, thereby facilitating the clamping head 4 to move forward and backward through the rotation of the driving screw 3.

[0030] Working principle: When in use, fix the entire bench vise on the work surface, then place the circular workpiece to be processed between the limiting pressure head 17 and the clamping head 4, and then turn the driving screw 3 so that the driving screw 3 drives the clamping head 4 to press tightly on the workpiece, so that the circular workpiece is stabilized between the clamping head 4 and the clamping opening 18 of the limiting joint. When it is necessary to clamp workpieces of other structures, the workpiece can be clamped and fixed by using the cooperation of the pressure plate 10 or the pressure column 19. Compared with the prior art, the present application has an adapter seat 2 at the bottom of the clamping seat 1, and the entire clamping seat 1 can be rotated through the adapter seat 2, so as to facilitate the adjustment of the direction of the clamped workpiece, and then facilitate the processing of the workpiece. The limiting pressure head 17 and the clamping head 4 are provided with a clamping opening 18 on the opposite side. The clamping opening 18 has a V-shaped structure and can clamp circular workpieces of different sizes. The top and bottom of the clamping head 4 are provided with a pressure plate 10, and the pressure plate 10 can clamp other workpieces, which effectively improves the flexibility of the use of the bench vise and is also convenient for stable clamping and fixation of the workpiece.

[0031] Example 2

[0032] like Figure 1 , Figure 2 and Figure 5 As shown, a steel plate bench vise with improved jaws includes a clamping seat 1, and an adapter seat 2 is connected to the bottom end of the clamping seat 1. The adapter seat 2 is convenient for assisting the rotation of the clamping seat 1, so that the clamping seat 1 can drive the workpiece to turn, thereby facilitating the processing of the workpiece. A limiting pressure head 17 is provided at the rear end of the upper surface of the clamping seat 1. The limiting pressure head 17 is convenient for limiting the position of the workpiece, and convenient for installing and fixing the workpiece. A guide groove 11 is provided on the upper surface of the clamping seat 1 from front to back, and a driving screw 3 is installed inside the guide groove 11. A clamping head 4 is provided on the upper surface of the clamping seat 1. The driving screw 3 and the bottom of the clamping head 4 are threadedly connected. The guide groove 11 cooperates with the driving screw 3 to facilitate the clamping head 4 to move forward and backward through the driving screw 3, so that the clamping head 4 can drive the workpiece to be pressed and fixed. The clamping head 4 and the limiting pressure head 17 are provided with a clamping opening 18 on the opposite side. The clamping opening 18 is a V-shaped structure. The clamping opening 18 of this structure is used to clamp a circular workpiece, which is convenient for fixing and using the circular workpiece. The clamping opening 18 is provided with a pressing plate 10 at the top and bottom. The pressing plate 10 is convenient for fixing workpieces of other structures. The clamping head 4 and the limiting pressure head 17 are provided with a pair of pressing columns 19 at the top. The pressing columns 19 are convenient for pressing and fixing some thin tubular workpieces.

[0033] like Figure 2 As shown, the clamping seat 1 is provided with a first bearing 12 at the front and rear ends of the guide groove 11. The first bearing 12 is used to cooperate with the driving screw 3 to facilitate the rotation and use of the driving screw 3. A connector 13 is provided at the bottom end of the clamping seat 1. The connector 13 is convenient for the rotational connection between the clamping seat 1 and the adapter 2. A positioning ring 14 is provided on the edge of the connector 13. A clamping bolt 15 is provided on the positioning ring 14. The positioning plate and the clamping bolt 15 are convenient for fixing the corner of the clamping seat 1, and convenient for the stable installation and use of the clamping seat 1. A connecting shaft 16 is provided in the middle of the bottom surface of the connector 13. The connecting shaft 16 is rotationally connected to the adapter 2 to facilitate the rotation of the clamping seat 1.

[0034] like Figure 3 As shown, a second bearing 21 is provided in the middle of the upper surface of the adapter 2, and the second bearing 21 is used to cooperate with the clamping seat 1 to facilitate the rotational connection between the clamping seat 1 and the adapter 2. A fixing plate 22 is provided at the bottom end of the adapter 2, and a plurality of fixing holes 23 are provided at the edge of the fixing plate 22. The cooperation between the fixing plate 22 and the fixing holes 23 facilitates the installation and fixation of the adapter 2 by bolts.

[0035] like Figure 4 As shown, both ends of the driving screw rod 3 are provided with a transfer shaft 31, and the connecting shaft 16 is convenient for the driving screw rod 3 to rotate and facilitate the use of the driving screw rod 3. One end of the driving screw rod 3 protrudes out of the clamping seat 1, and the end of the driving screw rod 3 protruding out of the clamping seat 1 is provided with a driving slot 32, which is used to drive the driving screw rod 3 to rotate, and facilitate the use of the driving screw rod 3.

[0036] like Figure 5 As shown, a connecting block 41 is provided at the bottom of the clamping head 4, and a threaded hole 42 is provided in the middle of the connecting block 41. The threaded hole 42 is threadedly connected to the driving screw 3. The connecting block 41 cooperates with the threaded hole 42 so that the clamping head 4 can be smoothly threadedly connected to the driving screw 3, thereby facilitating the clamping head 4 to move forward and backward through the rotation of the driving screw 3.

[0037] like Figure 1 and Figure 6 As shown, the driving slot 32 is connected with a rotating handle 5, and the rotating handle 5 is convenient for driving the driving screw 3 to rotate, so that the driving screw 3 drives the clamping head 4 to move. The rotating handle 5 is provided with a plug connector 51 at one end facing the driving screw 3, and the plug connector 51 is plugged into the driving slot 32. The plug connector 51 is convenient for plugging the rotating handle 5 and the driving screw 3 together, so that the driving screw 3 can be driven to rotate by the rotating handle 5. The other end of the rotating handle 5 is provided with a mounting head 52, and a grip 53 is mounted on the mounting head 52. The mounting head 52 cooperates with the grip 53 to facilitate holding the rotating handle 5, so as to facilitate turning the rotating handle 5 to drive the driving screw 3 to rotate.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel plate bench vise with improved jaws, comprising a clamping seat (1), characterized in that: The bottom end of the clamping seat (1) is connected to a transfer seat (2), a limiting pressure head (17) is provided at the rear end of the upper surface of the clamping seat (1), a guide groove (11) is provided on the upper surface of the clamping seat (1) from front to back, a driving screw (3) is installed inside the guide groove (11), and a clamping head (4) is provided on the upper surface of the clamping seat (1), the driving screw (3) and the clamping head (4) are threadedly connected at the bottom, and the clamping head (4) and the limiting pressure head (17) are provided with a clamping opening (18) on the opposite side, the clamping opening (18) is a V-shaped structure, and the top and bottom of the clamping opening (18) are provided with a pressure plate (10), and the top of the clamping head (4) and the limiting pressure head (17) are provided with a pair of pressure columns (19).

2. A steel plate bench vise with improved jaws according to claim 1, characterized in that: The clamping seat (1) is provided with a first bearing (12) at the front and rear ends along the guide groove (11), and a connecting head (13) is provided at the bottom end of the clamping seat (1), a positioning ring (14) is provided at the edge of the connecting head (13), a clamping bolt (15) is provided on the positioning ring (14), and a connecting shaft (16) is provided in the middle of the bottom surface of the connecting head (13), and the connecting shaft (16) is rotatably connected to the adapter seat (2).

3. The steel plate bench vise with improved jaws according to claim 1, characterized in that: A second bearing (21) is provided in the middle of the upper surface of the adapter seat (2), and a fixing plate (22) is provided at the bottom end of the adapter seat (2), and a plurality of fixing holes (23) are provided at the edge of the fixing plate (22).

4. The steel plate bench vise with improved jaws according to claim 1, characterized in that: Both ends of the driving screw rod (3) are provided with a transfer shaft (31), and one end of the driving screw rod (3) protrudes out of the clamping seat (1), and the end of the driving screw rod (3) protruding out of the clamping seat (1) is provided with a driving slot (32).

5. The steel plate bench vise with improved jaws according to claim 1, characterized in that: A connecting block (41) is provided at the bottom of the clamping head (4), a threaded hole (42) is provided in the middle of the connecting block (41), and the threaded hole (42) is threadedly connected to the driving screw rod (3).

6. A steel plate bench vise with improved jaws according to claim 4, characterized in that: The driving slot (32) is connected to a rotating handle (5), one end of the rotating handle (5) facing the driving screw (3) is provided with a plug connector (51), the plug connector (51) is plugged into the driving slot (32), and the other end of the rotating handle (5) is provided with a mounting head (52), and a grip (53) is mounted on the mounting head (52).

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