Clamping and fixing device for precise hardware production

Abstract

The utility model discloses a clamping and fixing device for precision hardware production, which comprises a processing table, support legs are fixedly mounted on both sides of the bottom of the processing table, and mounting plates are fixedly mounted on both sides of the top of the processing table. According to the hardware clamping device, the first screw rod is arranged to drive the moving plate to move in the approaching direction, then the moving plate drives the clamping wheel to move, when the clamping wheel makes contact with the hardware, the clamping wheel can rotate according to the angle of the hardware making contact with the clamping wheel, the clamping wheel and the hardware are fully attached, and the clamping effect is improved. According to the hardware clamping and limiting device, different uneven hardware parts are effectively clamped, the clamping and limiting effect on the hardware parts is improved, a second screw rod and a fixed threaded sleeve are arranged to be matched with each other to drive a clamping side plate to rotate, the clamping side plate further extrudes and limits the side edges of the hardware parts, the clamping effect of the hardware parts is further improved, and the hardware clamping and limiting device is suitable for popularization and application. And meanwhile, the problem that an existing hardware clamping and fixing device is poor in clamping effect on irregular hardware is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of precision hardware production, in particular to a clamping and fixing device for precision hardware production. Background Art

[0002] The process of hardware processing is to cut the material according to the production needs. After cutting, some small accessories such as small accessories can be punched and then cut or processed by CNC. This is very common in the production of eyeglass accessories and auto parts. For containers, it is welding after cutting and punching, then sandblasting and oil spraying, and then assembling the accessories before shipping. For small hardware accessories, there are many surface treatments after grinding, electroplating or oil spraying. Clamping and fixing devices are indispensable tools in the production of hardware.

[0003] In view of the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: the existing hardware clamping and fixing devices generally use splints to clamp the hardware, but when clamping irregular hardware, the contact area between the splints and the irregular hardware is small, which affects the clamping effect of the splints on the hardware; therefore, in view of the above-mentioned problems, a clamping and fixing device for precision hardware production is proposed. Utility Model Content

[0004] The utility model aims to provide a clamping and fixing device for precision hardware production, which has the advantage of effectively clamping irregular hardware parts and solves the problem that the existing hardware clamping and fixing devices have poor clamping effect on irregular hardware parts.

[0005] The camming mechanism is a kind of inwardly movable, and its outer end is connected with the movable body by the movable arm, and the movable arm is connected with the movable arm to the movable body by the movable arm.

[0006] The effects achieved by the above components are as follows: by setting the first screw to drive the movable plate to move in the approaching direction, and then the movable plate drives the clamping wheel to move; when the clamping wheel contacts the hardware, the clamping wheel will rotate according to the angle of the contacted hardware, so that the clamping wheel and the hardware are fully fitted, and effectively clamp different uneven hardware, thereby improving the clamping and limiting effect of the hardware; by setting the second screw and the fixed threaded sleeve to cooperate with each other to drive the clamping side plate to rotate, the clamping side plate is further squeezed and limited to the side of the hardware, thereby further improving the clamping effect of the hardware, preventing the hardware from shifting during processing, and improving the processing stability of the hardware; by setting a positioning rod to limit the movable plate, the stability of the movable plate during movement is improved, the movable plate is prevented from deviating to the right, and the clamping effect of the clamping wheel on the hardware is further improved.

[0007] Preferably, a convex plate is fixedly installed on one side of the mounting plate that is relatively far away, a spring is fixedly installed on the top of the convex plate, a limiting arc plate is fixedly installed on the top of the spring, a pull rod is fixedly installed on the bottom of the limiting arc plate, the bottom of the pull rod passes through the convex plate, and the inner side of the limiting arc plate is against the surface of the first screw.

[0008] The effect achieved by the above-mentioned components is: by setting a spring to squeeze the limiting arc plate upward, the inner side of the limiting arc plate is against the surface of the first screw, preventing the first screw from further rotating, thereby improving the stability of the movable plate, avoiding the loosening of the first screw and causing the position of the movable plate to shift, and the poor clamping effect on the hardware.

[0009] Preferably, an insertion hole is provided inside the pull rod, a square plate is fixedly mounted on the bottom of the convex plate, and an insertion rod is slidably connected inside the square plate.

[0010] The effect achieved by the above components is: by setting the insertion rod to be inserted into the inside of the insertion hole, the pull rod is positioned, which facilitates the keeping of the limiting arc plate away from the surface of the first screw rod, thereby facilitating the rotation of the first screw rod.

[0011] Preferably, a plurality of anti-slip strips are provided on one side of the clamping side plate, and the anti-slip strips are evenly distributed.

[0012] The effect achieved by the above components is: by arranging the anti-slip strip to increase the friction force on one side of the clamping side plate, the limiting effect of the clamping side plate on the hardware is improved, thereby improving the stability of the hardware during processing.

[0013] Preferably, a slide groove is opened in the middle of the top of the processing table, and two movable threaded sleeves are slidably connected inside the slide groove. A limiting plate is fixedly installed on the top of the movable threaded sleeve. A bidirectional screw is arranged at the bottom of the processing table, and the bidirectional screw passes through the movable threaded sleeve and is threadedly connected with the movable threaded sleeve.

[0014] The effect achieved by the above components is: by setting a bidirectional screw to drive the movable threaded sleeve to move in the approaching direction, the movable threaded sleeve drives the limit plate to move, so that the limit plate clamps and limits the hardware.

[0015] Preferably, a fixing plate is fixedly mounted on the bottom of the processing table, the fixing plate is located on the back of the bidirectional screw, and the bidirectional screw is connected to the fixing plate bearing.

[0016] The effect achieved by the above components is: by setting a fixed plate to limit the bidirectional screw, the stability of the bidirectional screw during rotation is improved, thereby improving the stability of the bidirectional screw when driving the movable threaded sleeve to move, and improving the initial limiting effect of the limiting plate on the hardware.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] The utility model discloses a clamping wheel that is driven by the movable plate and is moved in the direction of approaching, and the movable plate drives the clamping wheel to move. When the clamping wheel contacts the hardware, the clamping wheel will rotate according to the angle of the contacted hardware, so that the clamping wheel and the hardware are fully fitted, and effectively clamp the hardware with different unevenness, thereby improving the clamping and limiting effect of the hardware. The second screw and the fixed threaded sleeve are cooperated with each other to drive the clamping side plate to rotate, and the clamping side plate is further squeezed and limited to the side edge of the hardware, thereby further improving the clamping effect of the hardware, preventing the hardware from deviating during processing, and improving the processing stability of the hardware. The positioning rod is provided to limit the movable plate, thereby improving the stability of the movable plate during movement, preventing the movable plate from deviating to the right, and further improving the clamping effect of the clamping wheel on the hardware. At the same time, it solves the problem that the existing hardware clamping and fixing device has poor clamping effect on irregular hardware. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0020] Figure 2 The utility model is a three-dimensional installation plate structure Figure 1 ;

[0021] Figure 3 The utility model is a three-dimensional installation plate structure Figure 2 ;

[0022] Figure 4 This is a schematic diagram of the structure of the limiting arc plate of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the limiting plate of the utility model.

[0024] In the figure: 1. processing table; 2. supporting leg; 3. slide; 4. movable threaded sleeve; 5. limit plate; 6. bidirectional screw; 7. fixed plate; 8. mounting plate; 9. first screw; 10. movable plate; 11. clamping wheel; 12. clamping side plate; 13. anti-slip strip; 14. second screw; 15. positioning rod; 16. fixed threaded sleeve; 17. movable hinge; 18. limit arc plate; 19. convex plate; 20. pull rod; 21. spring; 22. socket; 23. square plate; 24. plug rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0026] See also Figure 1-5 A clamping and fixing device for precision hardware production comprises a processing table 1, support legs 2 are fixedly installed on both sides of the bottom of the processing table 1, mounting plates 8 are fixedly installed on both sides of the top of the processing table 1, a first screw 9 is connected to the internal thread of the mounting plate 8, a movable plate 10 is connected to the relatively close side of the first screw 9 by a bearing, two clamping wheels 11 are rotatably connected to the relatively close side of the movable plate 10, a clamping side plate 12 is hinged on the front and back of the movable plate 10, a movable hinge 17 is fixedly installed on one side of the clamping side plate 12, a second screw 14 is rotatably connected to the other side of the movable hinge 17, the other side of the second screw 14 passes through the mounting plate 8, two positioning rods 15 are fixedly installed on the side of the movable plate 10 close to the mounting plate 8, a positioning hole is opened inside the mounting plate 8, the other side of the positioning rod 15 passes through the positioning hole, a fixed threaded sleeve 16 is fixedly installed on the surface of the positioning rod 15, and the fixed threaded sleeve 16 is sleeved on the surface of the second screw 14 and is threadedly connected to the second screw 14.

[0027] Specifically, a convex plate 19 is fixedly installed on the relatively distant side of the mounting plate 8, a spring 21 is fixedly installed on the top of the convex plate 19, a limiting arc plate 18 is fixedly installed on the top of the spring 21, a pull rod 20 is fixedly installed on the bottom of the limiting arc plate 18, the bottom of the pull rod 20 passes through the convex plate 19, and the inner side of the limiting arc plate 18 is against the surface of the first screw 9.

[0028] The spring 21 is used to squeeze the limiting arc plate 18 upward so that the inner side of the limiting arc plate 18 abuts against the surface of the first screw 9, preventing the first screw 9 from further rotating, thereby improving the stability of the movable plate 10 and avoiding the first screw 9 from loosening and causing the position of the movable plate 10 to shift, resulting in poor clamping effect on the hardware.

[0029] Specifically, an insertion hole 22 is provided inside the pull rod 20 , a square plate 23 is fixedly installed at the bottom of the protruding plate 19 , and an insertion rod 24 is slidably connected inside the square plate 23 .

[0030] The insertion rod 24 is used to be inserted into the inside of the insertion hole 22, thereby positioning the pull rod 20, facilitating the keeping of the limiting arc plate 18 away from the surface of the first screw rod 9, thereby facilitating the rotation of the first screw rod 9.

[0031] Specifically, a plurality of anti-slip strips 13 are arranged on one side of the clamping side plate 12 , and the anti-slip strips 13 are evenly distributed.

[0032] The anti-slip strip 13 is used to increase the friction force on one side of the clamping side plate 12, thereby improving the limiting effect of the clamping side plate 12 on the hardware and improving the stability of the hardware during processing.

[0033] Specifically, a slide groove 3 is opened in the middle of the top of the processing table 1, and two movable threaded sleeves 4 are slidably connected inside the slide groove 3. A limiting plate 5 is fixedly installed on the top of the movable threaded sleeve 4. A bidirectional screw 6 is arranged at the bottom of the processing table 1. The bidirectional screw 6 passes through the movable threaded sleeve 4 and is threadedly connected with the movable threaded sleeve 4.

[0034] The bidirectional screw 6 is used to drive the movable threaded sleeve 4 to move in the approaching direction, and then the movable threaded sleeve 4 drives the limit plate 5 to move, so that the limit plate 5 clamps and limits the hardware.

[0035] Specifically, a fixing plate 7 is fixedly installed at the bottom of the processing table 1 . The fixing plate 7 is located at the back of the bidirectional screw 6 . The bidirectional screw 6 is bearing-connected to the fixing plate 7 .

[0036] The fixing plate 7 is used to limit the bidirectional screw 6, improve the stability of the bidirectional screw 6 during rotation, thereby improving the stability of the bidirectional screw 6 when driving the movable threaded sleeve 4 to move, and improve the initial limiting effect of the limiting plate 5 on the hardware.

[0037] When in use, place the hardware in the middle of the top of the processing table 1, rotate the bidirectional screw 6, the bidirectional screw 6 drives the movable threaded sleeve 4 to move in the approaching direction, and then the movable threaded sleeve 4 drives the limit plate 5 to move, so that the limit plate 5 clamps the front and back sides of the hardware, and plays a preliminary limiting role for the hardware, pulls the pull rod 20 downward to separate the limit arc plate 18 from the surface of the first screw 9, and when the socket 22 moves to one end of the plug rod 24, the plug rod 24 is moved so that one end of the plug rod 24 is inserted into the inside of the socket 22, which plays a limiting role for the limit arc plate 18, and at the same time rotates the first screw 9, the first screw 9 drives the movable plate 10 to move in the approaching direction, and then The movable plate 10 drives the clamping wheel 11 to move. When the clamping wheel 11 contacts the hardware, when the surface of the hardware is uneven, the clamping wheel 11 will rotate in accordance with the surface of the hardware and clamp the hardware, and then rotate the second screw 14. Under the action of the fixed threaded sleeve 16, the second screw 14 drives the clamping side plate 12 to rotate, and then the clamping side plate 12 clamps the surface of the hardware, further improving the clamping effect of the hardware. After the hardware is clamped, move the insertion rod 24 so that one end of the insertion rod 24 is disengaged from the inside of the socket 22, and the limiting arc plate 18 is bounced upward under the elastic force of the spring 21, and then the limiting arc plate 18 is again against the surface of the first screw 9.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping and fixing device for precision hardware production, comprising a processing table (1), characterized in that: Support legs (2) are fixedly installed on both sides of the bottom of the processing table (1), and mounting plates (8) are fixedly installed on both sides of the top of the processing table (1). The internal thread of the mounting plate (8) is connected to a first screw rod (9), and the relatively close side of the first screw rod (9) is bearing-connected to a movable plate (10), and the relatively close side of the movable plate (10) is rotatably connected to two clamping wheels (11), and the front and back sides of the movable plate (10) are hingedly connected to clamping side plates (12), and one side of the clamping side plate (12) is fixedly installed with a movable hinge (17 ), the other side of the movable hinge (17) is rotatably connected to a second screw rod (14), the other side of the second screw rod (14) passes through the mounting plate (8), and two positioning rods (15) are fixedly installed on one side of the movable plate (10) close to the mounting plate (8), a positioning hole is opened inside the mounting plate (8), the other side of the positioning rod (15) passes through the positioning hole, and a fixed threaded sleeve (16) is fixedly installed on the surface of the positioning rod (15), and the fixed threaded sleeve (16) is sleeved on the surface of the second screw rod (14) and is threadedly connected to the second screw rod (14).

2. A clamping and fixing device for precision hardware production according to claim 1, characterized in that: A convex plate (19) is fixedly installed on the relatively distant side of the mounting plate (8), a spring (21) is fixedly installed on the top of the convex plate (19), a limiting arc plate (18) is fixedly installed on the top of the spring (21), a pull rod (20) is fixedly installed on the bottom of the limiting arc plate (18), the bottom of the pull rod (20) passes through the convex plate (19), and the inner side of the limiting arc plate (18) is in contact with the surface of the first screw rod (9).

3. A clamping and fixing device for precision hardware production according to claim 2, characterized in that: The pull rod (20) is provided with an insertion hole (22) inside, a square plate (23) is fixedly mounted on the bottom of the convex plate (19), and an insertion rod (24) is slidably connected inside the square plate (23).

4. The clamping and fixing device for precision hardware production according to claim 1 is characterized in that: A plurality of anti-slip strips (13) are arranged on one side of the clamping side plate (12), and the anti-slip strips (13) are evenly distributed.

5. The clamping and fixing device for precision hardware production according to claim 1 is characterized in that: A slide groove (3) is provided in the middle of the top of the processing table (1), and two movable threaded sleeves (4) are slidably connected inside the slide groove (3). A limit plate (5) is fixedly installed on the top of the movable threaded sleeve (4). A bidirectional screw rod (6) is provided at the bottom of the processing table (1), and the bidirectional screw rod (6) passes through the movable threaded sleeve (4) and is threadedly connected to the movable threaded sleeve (4).

6. The clamping and fixing device for precision hardware production according to claim 1 is characterized in that: A fixing plate (7) is fixedly mounted on the bottom of the processing table (1); the fixing plate (7) is located on the back of the bidirectional screw (6); and the bidirectional screw (6) is bearing-connected to the fixing plate (7).

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