Positioning clamp for hardware machining lathe

Abstract

The utility model relates to a positioning fixture for a hardware processing lathe, which comprises a rotating rod, two moving plates, two positioning blocks, a positioning block, a positioning block and a positioning block, the two sides of the outer wall of the rotating rod are provided with opposite threaded walls, the two moving plates penetrate through the two sides of the rotating rod, and the threaded walls on the surface of the rotating rod are in threaded connection with screw holes in the two moving plates; the positioning mechanism is fixed to one sides of the two movable plates, the positioning mechanism comprises a fixed rod, the movable plate is fixed to one side of the fixed rod, and a vertical plate is fixed to the other side of the fixed rod. Due to the fact that the multiple electric telescopic cylinders are arranged on one side of the vertical plate, the multiple clamping heads are driven by the electric telescopic cylinders to move, different concave-convex positions of the special-shaped hardware can be clamped, multi-point clamping on the surface of the special-shaped hardware is achieved, and the overall clamping stability of the special-shaped hardware is improved.

Description

Technical Field

[0001] The utility model relates to the field of hardware processing, in particular to a positioning fixture for a hardware processing lathe. Background Art

[0002] The hardware processing process is the CNC lathe feed processing route, which refers to the path that the turning tool takes from the tool setting point to the point where it returns and ends the processing program, including the cutting processing path and the non-cutting idle travel path such as tool cutting in and out. The existing fixtures are very troublesome to clamp the product. Most of them are fixed by bolts and nuts, which wastes a lot of workers' time and energy, thus affecting the processing efficiency. Moreover, most of the fixtures can only clamp the same type of workpieces, resulting in the need for frequent fixture replacement, affecting the fixture positioning speed and processing efficiency.

[0003] According to the published patent 202211187363.1, a quick positioning fixture for a hardware processing lathe comprises a workbench, a top slide groove is provided on the top of the workbench, two fixed slide blocks are provided inside the top slide groove, and a fixture mechanism is provided on the top of the two fixed slide blocks; the fixture mechanism comprises two fixed side plates, the two fixed side plates are fixedly arranged on the top of the fixed slide block, a support block is fixedly connected between the two fixed side plates, a sliding long groove is provided on one side of the two fixed side plates, a sliding wheel is provided on one side of the two sliding long grooves, a connecting block is fixedly connected to one end of the two sliding wheels, a through groove is provided in the middle of the connecting block, a connecting seat is provided on one side of the connecting block, a pin is fixedly connected inside the connecting seat, the pin passes through the through groove and slides inside the through groove, the beneficial effects of the present invention are: convenient and fast clamping, reducing the waste of time and energy, improving processing efficiency, being able to clamp various types of workpieces, no need to frequently replace the fixture, improving the fixture positioning speed, and facilitating processing, in the process of realizing the utility model, the inventor found that at least the following problems in the prior art have not been solved, although the connecting block is driven downward by the connecting seat, the connecting The sliding wheel on one side of the connecting block is limited in the sliding long groove, so that when the connecting seat pulls the connecting block down through the pin shaft, it is blocked by the support block, so that the connecting block rotates around the sliding wheel, and the pin shaft slides in the through groove, so that the connecting block rotates ninety degrees, so that the first pad and the second pad on one side of the clamping block face the workpiece, and the workpiece is fixed, the clamping is convenient and fast, the waste of time and energy is reduced, and the processing efficiency is improved. It solves the problem that the existing clamps are very troublesome for clamping products. Most of them are fixed by bolts and nuts, which wastes a lot of workers' time and energy, thereby affecting the processing efficiency. Moreover, most of the clamps can only clamp the same type of workpieces, resulting in the need to frequently replace the clamps, affecting the positioning speed of the clamps, and affecting the processing efficiency. During use, the traditional positioning clamps for hardware processing lathes can clamp hardware, but the sizes and shapes of the hardware are not the same. There are some special-shaped hardware. In the process of clamping special-shaped hardware, it is often only possible to clamp one point of the special-shaped hardware, resulting in the clamping effect of the special-shaped hardware is not very good. Therefore, it is necessary to design a new technical solution. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art, meet the actual needs, and provide a positioning fixture for a hardware processing lathe to solve the problem that the current traditional positioning fixture for a hardware processing lathe can clamp hardware, but the sizes and shapes of the hardware are not the same. There are some special-shaped hardware pieces. In the process of clamping the special-shaped hardware, it is often only possible to clamp one point of the special-shaped hardware, resulting in a technical problem that the clamping effect of the special-shaped hardware is not very good.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a positioning fixture for a hardware processing lathe, including a rotating rod, the outer wall of which is provided with opposite threaded walls on both sides, and also including:

[0006] Two movable plates are passed through two sides of the rotating rod, and the threaded walls on the surface of the rotating rod are threadedly connected with the screw holes in the two movable plates;

[0007] The positioning mechanism is fixed on one side of the two movable plates, which can not only clamp and process the hardware, but also clamp the hardware of different sizes. The positioning mechanism includes a fixing rod, one side of which is fixed with the movable plate, and the other side of which is fixed with the vertical plate;

[0008] A plurality of electric telescopic cylinders are installed on one side of the vertical plate, and a clamping head is fixed on one side of the plurality of electric telescopic cylinders.

[0009] Preferably, a buffer pad is fixed on one side of the clamping head, a round hole is opened on one side of the buffer pad, and an infrared ranging sensor is installed inside the round hole.

[0010] Preferably, a plurality of circular grooves are formed on the other side of the clamping head, and a micro air pump is installed inside the circular grooves.

[0011] Preferably, one side of the micro air pump is connected to an air tube, and one end of the air tube away from the micro air pump passes through the clamping head and the buffer pad and is connected to an air bag ball.

[0012] Preferably, a motor shaft is fixed to one side of the rotating rod, and a side of the motor shaft away from the rotating rod is connected to a motor through a first fixed plate, a first fixed plate is installed on one side of the motor, an end of the rotating rod away from the motor shaft is rotatably connected to a bearing, an end of the bearing away from the rotating rod is fixed to a second fixed plate, a device base plate is fixed to the bottom of the first and second fixed plates, an industrial control computer is installed at the front end of the device base plate, and the industrial control computer is connected to the infrared ranging sensor signal.

[0013] Preferably, a limiting rod passes through the bottom end of the movable plate, and a first fixing plate and a second fixing plate are respectively fixed on both sides of the limiting rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model, through the combination of the movable plate, the vertical plate and the fixed cylinder, can not only utilize the threaded rod to drive the two movable plates to move simultaneously, so as to clamp the hardware, but also, because a plurality of electric telescopic cylinders are arranged on one side of the vertical plate, the electric telescopic cylinders drive the plurality of clamping heads to move, so as to clamp the different concave and convex positions of the special-shaped hardware, thereby realizing multi-point clamping of the surface of the special-shaped hardware, improving the overall stability of clamping the special-shaped hardware, and solving the problem that the traditional positioning fixtures for hardware processing lathes can clamp the hardware, but the sizes and shapes of the hardware are not the same, and there are some special-shaped hardware pieces. In the process of clamping the special-shaped hardware, it is often only possible to clamp one point of the special-shaped hardware, resulting in a technical problem that the clamping effect of the special-shaped hardware is not very good.

[0016] 2. The utility model combines a buffer pad, a micro air pump and an air bag ball. When the clamping head clamps the special-shaped hardware, not only can the buffer pad be used to protect the clamping position to avoid the clamping head from damaging the clamping position of the special-shaped hardware, but also, since a plurality of air bags are provided, the plurality of air bags can be expanded to clamp the surface of the special-shaped hardware, so that when clamping the special-shaped hardware, the air bags can be used to provide auxiliary support and buffering for different positions of the special-shaped hardware.

[0017] 3. The utility model combines an infrared distance measuring sensor, a clamping head and an industrial control computer. In the process of clamping special-shaped hardware, the infrared distance measuring sensor can detect the distance that different electric telescopic cylinders need to move, so as to accurately move the clamping head to clamp the special-shaped hardware, avoiding deformation and damage of the special-shaped hardware caused by direct clamping of the special-shaped hardware. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the buffer pad of the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the clamping head of the utility model.

[0021] In the figure: 1. device bottom plate; 101. first fixed plate; 102. second fixed plate; 103. industrial computer; 2. motor; 201. motor shaft; 202. rotating rod; 203. bearing; 204. threaded wall; 205. fixed rod; 206. electric telescopic cylinder; 207. moving plate; 208. limiting rod; 209. clamping head; 210. buffer pad; 211. airbag ball; 212. vertical plate; 213. round hole; 214. infrared ranging sensor; 3. round groove; 301. micro air pump; 302. air pipe. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] Embodiment 1: A positioning fixture for a metal processing lathe, see Figures 1 to 3 , including a rotating rod 202, opposite threaded walls 204 are opened on both sides of the outer wall of the rotating rod 202, and also including: two movable plates 207, which run through both sides of the rotating rod 202, and the threaded walls 204 on the surface of the rotating rod 202 are threadedly connected with the screw holes in the two movable plates 207; a positioning mechanism, fixed on one side of the two movable plates 207, can not only clamp and process hardware, but also clamp hardware of different sizes, the positioning mechanism includes a fixed rod 205, a movable plate 207 is fixed on one side of the fixed rod 205, and a vertical plate 212 is fixed on the other side of the fixed rod 205; a plurality of electric telescopic cylinders 206 are installed on one side of the vertical plate 212, and a clamping head 209 is fixed on one side of the plurality of electric telescopic cylinders 206, first place the special-shaped hardware between the two movable plates 207, then turn on the motor 2, the motor 2 drives the motor shaft 201, the motor shaft 201 drives the rotating rod 202, and the rotating rod 202 drives the threaded wall 204, thereby driving the two movable plates 207 to move simultaneously. During the movement of the movable plate 207, the fixed rod 205, the vertical plate 212 and the clamping head 209 will be driven to move, thereby clamping the special-shaped hardware. In the process of clamping the special-shaped hardware, since a plurality of electric telescopic cylinders 206 are arranged on one side of the vertical plate 212, the clamping head 209 can be driven by the plurality of electric telescopic cylinders 206 to clamp the different concave and convex positions of the special-shaped hardware, thereby realizing multi-point clamping of the surface of the special-shaped hardware, improving the overall stability of the clamping of the special-shaped hardware, and solving the problem of the traditional positioning fixture for hardware processing lathes. Although it can clamp the hardware, the size and shape of the hardware are not the same. There are some special-shaped hardware pieces. In the process of clamping the special-shaped hardware, it is often only possible to clamp one point of the special-shaped hardware, resulting in a technical problem that the effect of clamping the special-shaped hardware is not very good.

[0024] For details, see Figure 2 A buffer pad 210 is fixed on one side of the clamping head 209, and a round hole 213 is opened on one side of the buffer pad 210. An infrared ranging sensor 214 is installed inside the round hole 213. In the process of clamping special-shaped hardware, the infrared ranging sensor 214 detects the distance that different electric telescopic cylinders 206 need to move, so as to accurately move the clamping head 209 to clamp the special-shaped hardware, thereby avoiding direct clamping of the special-shaped hardware and causing deformation and damage to the special-shaped hardware.

[0025] For further information, see Figure 3A plurality of circular grooves 3 are provided on the other side of the clamping head 209 , and a micro air pump 301 is installed inside the circular grooves 3 .

[0026] It is worth noting that see Figure 3 One side of the micro air pump 301 is connected to an air pipe 302, and the end of the air pipe 302 away from the micro air pump 301 passes through the clamping head 209 and the buffer pad 210 and is connected to the air bag ball 211. In the process of the clamping head 209 clamping the special-shaped hardware, not only can the buffer pad 210 be used to protect the clamping position, thereby preventing the clamping head 209 from damaging the clamping position of the special-shaped hardware, but also, since a plurality of air bag balls 211 are provided, the micro air pump 301 can be directly opened, and the plurality of air bag balls 211 can be inflated through the micro air pump 301, so that the plurality of air bag balls 211 expand, and the surface of the special-shaped hardware is provided with auxiliary support and buffering.

[0027] It is worth noting that see Figure 1 A motor shaft 201 is fixed on one side of the rotating rod 202, and a side of the motor shaft 201 away from the rotating rod 202 passes through the first fixed plate 101 and is connected to the motor 2. The first fixed plate 101 is installed on one side of the motor 2. The end of the rotating rod 202 away from the motor shaft 201 is rotatably connected to the bearing 203, and the end of the bearing 203 away from the rotating rod 202 is fixed to the second fixed plate 102. The bottom of the first fixed plate 101 and the second fixed plate 102 are both fixed with a device base plate 1, and an industrial control computer 103 is installed at the front end of the device base plate 1. The industrial control computer 103 is connected to the infrared ranging sensor 214 signal.

[0028] It is worth mentioning that see Figure 1 The bottom end of the movable plate 207 passes through a limiting rod 208 , and the first fixing plate 101 and the second fixing plate 102 are respectively fixed on both sides of the limiting rod 208 .

[0029] In addition, the components designed in the present invention are all universal standard parts or components known to technical personnel in the field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. They can be fully implemented by technical personnel in the field, and there is no need to elaborate. The content protected by the present invention does not involve improvements to internal structures and methods.

[0030] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A positioning fixture for a metal processing lathe, comprising a rotating rod (202), wherein opposite threaded walls (204) are formed on both sides of the outer wall of the rotating rod (202), characterized in that: Also includes: Two movable plates (207) penetrate through both sides of the rotating rod (202), and the threaded wall (204) on the surface of the rotating rod (202) is threadedly connected with the screw holes in the two movable plates (207); The positioning mechanism is fixed on one side of the two movable plates (207), and can not only clamp and process the hardware, but also clamp the hardware of different sizes. The positioning mechanism comprises a fixed rod (205), one side of which is fixed with the movable plate (207), and the other side of which is fixed with a vertical plate (212); A plurality of electric telescopic cylinders (206) are installed on one side of the vertical plate (212), and a clamping head (209) is fixed on one side of the plurality of electric telescopic cylinders (206).

2. A positioning fixture for a metal processing lathe as claimed in claim 1, characterized in that: A buffer pad (210) is fixed to one side of the clamping head (209), a circular hole (213) is opened on one side of the buffer pad (210), and an infrared distance measuring sensor (214) is installed inside the circular hole (213).

3. A positioning fixture for a metal processing lathe as claimed in claim 1, characterized in that: A plurality of circular grooves (3) are provided on the other side of the clamping head (209), and a micro air pump (301) is installed inside the circular groove (3).

4. A positioning fixture for a metal processing lathe as claimed in claim 3, characterized in that: One side of the micro air pump (301) is connected to an air tube (302), and one end of the air tube (302) away from the micro air pump (301) passes through a clamping head (209) and a buffer pad (210) and is connected to an air bag ball (211).

5. A positioning fixture for a metal processing lathe as claimed in claim 2, characterized in that: A motor shaft (201) is fixed to one side of the rotating rod (202); a side of the motor shaft (201) away from the rotating rod (202) passes through a first fixing plate (101) and is connected to a motor (2); a first fixing plate (101) is installed on one side of the motor (2); an end of the rotating rod (202) away from the motor shaft (201) is rotatably connected to a bearing (203); an end of the bearing (203) away from the rotating rod (202) is fixed to a second fixing plate (102); a device base plate (1) is fixed to the bottom of both the first fixing plate (101) and the second fixing plate (102); an industrial control computer (103) is installed at the front end of the device base plate (1); and the industrial control computer (103) is connected to an infrared distance measuring sensor (214) for signal connection.

6. A positioning fixture for a metal processing lathe as claimed in claim 5, characterized in that: A limiting rod (208) passes through the bottom end of the movable plate (207), and a first fixing plate (101) and a second fixing plate (102) are respectively fixed on both sides of the limiting rod (208).

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