CN206662798U - Pneumatic flat-nose pliers - Google Patents

Abstract

The utility model relates to the technical field of mechanical equipment clamps, and discloses a pneumatic flat-nose pliers, comprising a base, a guide rail part, a first movable pliers body and a screw rod, the guide rail part is arranged on the base, the first movable pliers body is slidably connected to one end of the guide rail part through a slider, one end of the screw rod is rotatably connected to the end of the guide rail part, the other end of the screw rod is threadedly connected to the slider, a second movable pliers body is arranged at the other end of the guide rail part, the second movable pliers body is connected to a driving part, the driving part is used to control the second movable pliers body to open and close toward the first movable pliers body, the driving part is connected to a pneumatic switch, and the pneumatic switch is connected to an air supply part. The clamping efficiency of the utility model is at least 10 times that of traditional flat-nose pliers, the operation is simple and convenient, time and labor are saved, the workpiece is clamped firmly, loading and unloading are convenient, and production efficiency can be effectively improved.

Description

Pneumatic flat-nose pliers

technical field

The utility model relates to the technical field of mechanical equipment fixtures, in particular to a pneumatic flat-nose pliers with stable clamping and time-saving and labor-saving.

Background technique

Flat-nose pliers, also known as machine vises, are a general-purpose fixture that is often used to install small workpieces. It is a random accessory for milling machines, drilling machines, and grinding machines. It is fixed on the machine tool table to clamp the workpiece for cutting.

Traditional flat-nose pliers generally include a base, a slide rail on the base, a fixed clamp body on one end of the slide rail, and a movable clamp body connected to the other end of the slide rail through a screw rod. Turn the lead screw manually, and drive the movable clamp body to move through the lead screw nut, forming tightening and loosening of the workpiece. The operation is laborious. It takes about 20 seconds to complete one clamping, which is laborious and laborious. Moreover, the workpiece after clamping is unstable. In the process of processing, shaking often occurs, and the product defect rate is high.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art and provide a pneumatic vise, the clamping efficiency of the vise is at least 10 times that of the traditional vise, the operation is simple and convenient, time-saving and labor-saving, and the clamping of the workpiece is stable , Easy loading and unloading, can effectively improve production efficiency.

In order to achieve the above object, the utility model adopts the following technical solutions:

A pneumatic vise comprises a base, a guide rail part, a first movable clamp body and a screw rod, the guide rail part is arranged on the base, the first movable clamp body is slidably connected to one end of the guide rail part through a slider, and the wire One end of the rod is rotatably connected to the end of the guide rail, and the other end of the screw rod is screwed to the slider. The other end of the guide rail is provided with a second movable clamp body, which is connected with a driving part. The driving part is used to control the opening and closing of the second movable tong body to the first movable tong body, and the driving part is connected with a pneumatic switch, and the pneumatic switch is connected with an air supply part.

Both sides of the base are provided with installation parts respectively, and the installation parts are used for the connection between the base and the mechanical equipment. The base and the guide rail part are integrally formed. The bearing part between one end of the first guide rail and the second guide rail is provided with a bearing hole, which is used to connect the screw rod, and a lubricating part is provided on the bearing part, and the bearing part and the first guide rail 1. The second guide rail is integrally formed, a space is formed inside the first guide rail and the second guide rail, and the slider is slidably arranged in the space between the first guide rail and the second guide rail.

One end of the screw rod is rotatably connected in the bearing hole of the bearing part through a rotating bearing, and a limit nut is provided at the connecting end of the screw rod and the bearing part.

The lubricating part is composed of a through hole, a spring arranged in the through hole and a steel ball arranged at one end of the spring, and the through hole communicates with the bearing hole.

The slider and the first movable clamp body are clamped between the first guide rail and the second guide rail. An internally threaded hole is provided in the middle of the slider, and a plug is provided at one end of the internally threaded hole. The internally threaded hole and the screw rod threaded connection.

The first movable pliers body is L-shaped, and a first guide part is formed on the side of the first movable pliers body facing the guide rail, and the two sides of the first guide part slide and fit correspondingly with the first guide rail and the second guide rail. A groove is provided in the middle of the first guide part, and the groove is connected with the slider.

The second movable tong body is also L-shaped, and the second movable tong body is slidably connected to the base through a pressure block. At least one screw is respectively provided at both ends of the pressure block, and the second movable tong body corresponds to the position of each screw. Two sliding openings are formed at the setting place, and the middle part of the second movable tong body is provided with a second guide part, and the second guide part is slidably connected in the guide rail part.

The pneumatic switch is installed on one side of the base, and the pneumatic switch is respectively connected with the driving part and the air supply part through the conduit, and the driving part is fixed on one end of the base through a support plate.

The driving part is a single cylinder, and the single cylinder is connected with the second movable tong body through the first piston rod.

The driving part is a double-force cylinder, and the double-force cylinder is connected with the second movable tong body through the second piston rod.

The beneficial effect of the utility model is that: it pre-adjusts the clamping position of the first movable clamp body through the screw rod and the sliding block to form a pre-installed clamping state; The two movable clamp bodies are reciprocatingly fed, forming a state of opening and closing with the first movable clamp body, and then easily loading and unloading the workpiece; this structure only takes 2 seconds to clamp the workpiece, and the clamping efficiency is at least 10 times that of the traditional flat-nose pliers. Simple and convenient, time-saving and labor-saving, stable workpiece clamping, convenient loading and unloading, can effectively improve production efficiency.

Description of drawings

Fig. 1 is a front structural schematic view of the specific embodiment 1 of the present utility model.

Fig. 2 is a side view schematic diagram of the specific embodiment 1 of the present utility model.

Fig. 3 is a schematic diagram of a full sectional structure of Embodiment 1 of the present utility model.

Fig. 4 is a partial enlarged view of A in Fig. 3 .

Fig. 5 is a schematic diagram of the front view of the second embodiment of the utility model.

Explanation of reference numbers:

1-base; 11-installation part; 2-rail part; 21-first guide rail; 22-second guide rail; 23-bearing part; 231-rotary bearing; 24-lubricating part; 241-through hole; 243-steel ball; 2a-vacancy; 3-the first movable clamp body; 31-the first guide; 32-groove; 4-screw; 5-slider; 51-internal threaded hole; 52-plug; 6-Second movable clamp body; 61-Sliding port; 62-Second guide part; 7-Drive part; 7a-Single cylinder; Bit nut; M-support plate; S-guide; T-first piston rod; W-tee.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings of the description:

Specific embodiment 1:

As shown in Figure 1-5, the utility model relates to a pneumatic vise, including a base 1, a guide rail part 2, a first movable clamp body 3 and a screw rod 4, the guide rail part 2 is set on the base 1, and the first movable The clamp body 3 is slidably connected to one end of the guide rail part 2 through a slider 5, and one end of the screw rod 4 is connected to the end part of the guide rail part 2 in rotation, and the other end of the screw rod 4 is threadedly connected to the slider 5, and the other end of the guide rail part 2 is provided with The second movable tong body 6 is connected with a driving part 7, and the driving part 7 is used to control the opening and closing of the second movable tong body 6 to the first movable tong body 3, and the driving part 7 is connected to the first movable tong body 3. A pneumatic switch 8 is connected, and the pneumatic switch 8 is connected to an air supply part (not shown), wherein, the air supply part can preferably adopt an air compressor, and the specific air supply part can be selected according to actual needs and ease of use. The selection is made without limitation.

As shown in Figure 1-3, there are mounting parts 11 on both sides of the base 1. The mounting parts 11 are used to connect the base 1 with mechanical equipment. The base 1 and the guide rail part 2 are integrally formed. When the base 1 is installed, Screws are used to lock the installation part 11 of the base 1 on the mechanical equipment, so as to ensure the clamping effect of the present invention.

As shown in Figures 1-3 and 4, the guide rail part 2 includes a first guide rail 21, a second guide rail 22 arranged symmetrically with the first guide rail 21, and a bearing part arranged between one end of the first guide rail 21 and the second guide rail 22 23. The bearing part 23 is provided with a bearing hole for connecting the screw rod 4. The bearing part 23 is provided with a lubricating part 24. The bearing part 23 is integrally formed with the first guide rail 21 and the second guide rail 22.

Further, as shown in FIGS. 1-3 , a space 2 a is formed inside the first guide rail 21 and the second guide rail 22 , and the slider 5 is slidably disposed in the space 2 a between the first guide rail 21 and the second guide rail 22 .

Further, as shown in FIGS. 1-3 , one end of the screw rod 4 is rotatably connected in the bearing hole of the bearing part 23 through a rotating bearing 231 , and a stop nut G is provided at the connecting end of the screw rod 4 and the bearing part 23 .

As shown in Figures 1-3 and 4, the lubricating part 24 is composed of a through hole 241, a spring 242 disposed in the through hole 241, and a steel ball 243 disposed at one end of the spring 242. The through hole 241 communicates with the bearing hole, and the spring The elastic effect of 242 connects the steel ball 243 to the through hole 241 under normal conditions, so as to prevent dirt such as dust from entering the through hole 241 and affecting the normal rotation of the rotating bearing 231.

As shown in Figures 1-3, the slider 5 and the first movable clamp body 3 are sandwiched between the first guide rail 21 and the second guide rail 22, and the middle part of the slider 5 is provided with an internally threaded hole 51, and the internally threaded hole 51 One end is provided with a plug 52 , and the internally threaded hole 51 is threadedly connected with the screw mandrel 4 .

As shown in Figures 1-3, the first movable tong body 3 is L-shaped, and a first guide portion 31 is formed on one side of the first movable tong body 3 facing the guide rail portion 2, and the two sides of the first guide portion 31 are aligned with the first The guide rail 21 and the second guide rail 22 are slidingly fitted together, and a groove 32 is provided in the middle of the first guide part 31 , and the groove 32 is connected with the slider 5 .

As shown in Figures 1-3, the second movable tong body 6 is also L-shaped, and the second movable tong body 6 is slidably connected to the base 1 through a pressing block 9, and at least one screw is provided at both ends of the pressing block 9 The second movable clamp body 6 is provided with two slides 61 corresponding to the setting of each screw. The design of each slide 61 can make the second movable clamp body 6 effectively avoid the reciprocating movement of the screws set on the pressing block 9. This ensures smooth reciprocating sliding of the second movable tong body 6 , and a second guide portion 62 is provided in the middle of the second movable tong body 6 , and the second guide portion 62 is slidably connected to the guide rail portion 2 .

As shown in Figure 1-3, the pneumatic switch 8 is installed on one side of the base 1, the pneumatic switch 8 is respectively connected to the driving part 7 and the air supply part through the conduit S, and the driving part 7 is fixed by a support plate M At one end of the base 1, the support plate M is perpendicular to the base 1, wherein the driving part 7 is a single cylinder 7a, and the single cylinder 7a is connected to the second movable clamp body 6 through the first piston rod T. The single cylinder 7a acts on the first piston rod T to reciprocate the second movable tong body 6 toward the first movable tong body 3 to form an open/clamped state.

Specific embodiment 2:

As shown in Figures 1-5, a pneumatic vise disclosed by the utility model has a driving part 7 of a double force cylinder 7b, and the double force cylinder 7b is connected to the second movable cylinder by a second piston rod (not shown). The clamp body 6 is connected, and the double force cylinder 7b acts on the second piston rod to make the second movable clamp body 6 reciprocate toward the first movable clamp body 3 to form an open/clamp state. The double force cylinder 7b has the most compact The same length and size, using the same pressure source, the output is several times that of the same cylinder, the output is large, the combination of multi-layer pistons, the output is increased by multiples, suitable for oil-free operation occasions with short strokes and high output, and better performance for the utility model It is suitable for the clamping of workpieces of different sizes, and the scope of application is wider. Wherein, the double-force cylinder 7b is a combined structure of at least two single-body cylinders superimposed, and the conduits connected to the double-force cylinder 7b are connected to the For the pneumatic switch 8, the technical features not mentioned in this specific embodiment are explained using the technical features of specific embodiment 1, and will not be repeated here.

Before use, first turn the screw mandrel 4 with a wrench or other equivalent tools, the screw mandrel 4 rotates around the axis at a fixed position, and when the screw mandrel 4 rotates, it interacts with the internally threaded hole 51 of the slider 5 to make the slider 5 Move back and forth in the guide rail part 2, while the slider 5 moves, drive the first movable clamp body 3 to reciprocate and feed, so as to adjust to the preset position for clamping the workpiece, and then remove the wrench or other tools with the same effect; use , the workpiece is first placed between the first movable clamp body 3 and the second movable clamp body 6, then the air supply part is opened, the pneumatic switch 8 is toggled, and the driving part 7 is controlled to reciprocate feed through the pneumatic switch 8 to promote The second movable tongs body 6 moves back and forth, when the driving part 7 promotes the second movable tongs body 6 and wants the first movable tongs body 3 to move, to the preset between the first movable tongs body 3 and the second movable tongs body 6 The workpiece is clamped, and the workpiece is clamped so that the mechanical equipment can process the workpiece; and when the processing of the workpiece is completed, the pneumatic switch 8 is turned to reset the second movable clamp body 6. At this time, the second movable clamp body 6 is gradually moving away from the first movable tong body 3 to form an open state, so that the operator can remove the workpiece that has been processed.

The above is only a preferred embodiment of the utility model, not limiting the scope of the utility model, so under the premise of not departing from the design spirit of the utility model, ordinary engineers and technicians in the field can understand the structure described in the utility model, Equivalent changes or decorations made on features and principles should fall within the protection scope of the utility model patent application.

Claims (10)

1. A pneumatic vise, comprising a base, a guide rail part, a first movable clamp body and a screw mandrel, the guide rail part is arranged on the base, and it is characterized in that: the first movable clamp body is slidably connected to the guide rail by a slide block One end of the screw rod is rotatably connected to the end of the guide rail, the other end of the screw rod is threadedly connected to the slider, the other end of the guide rail is provided with a second movable clamp body, and the second movable clamp body is connected to a The driving part is connected, and the driving part is used to control the opening and closing of the second movable tongs body to the first movable tongs body, and the driving part is connected with a pneumatic switch, and the pneumatic switch is connected with an air supply part. 2. A pneumatic vise according to claim 1, characterized in that: there are installation parts on both sides of the base, the installation parts are used to connect the base to mechanical equipment, the base and the guide rail are integrally formed, the The guide rail part includes a first guide rail, a second guide rail symmetrically arranged with the first guide rail, and a bearing part arranged between one end of the first guide rail and the second guide rail. A bearing hole is provided on the bearing part, and the bearing hole is used for connecting The screw rod is provided with a lubricating part on the bearing part, and the bearing part is integrally formed with the first guide rail and the second guide rail. The inside of the first guide rail and the second guide rail forms a space avoidance, and the slider is slidably arranged on the first guide rail and the second guide rail. In the sheltered space between the second rails. 3. A pneumatic vise according to claim 2, wherein one end of the screw rod is rotatably connected in the bearing hole of the bearing part through a rotating bearing, and a connecting end of the screw rod and the bearing part is provided with a Limit nut. 4. A pneumatic vise according to claim 2, characterized in that: the lubricating part is composed of a through hole, a spring disposed in the through hole and a steel ball disposed at one end of the spring, the through hole is connected to the bearing hole through. 5. A pneumatic vise according to claim 2, characterized in that: the slider and the first movable clamp body are clamped between the first guide rail and the second guide rail, and the middle part of the slider is provided with an internal thread A plug is provided at one end of the internally threaded hole, and the internally threaded hole is threadedly connected with the screw rod. 6. A pneumatic vise according to claim 5, characterized in that: the first movable pliers body is L-shaped, and a first guide portion is formed on the side of the first movable pliers body facing the guide rail portion, and the first movable pliers body is formed with a first guide portion. The two side surfaces of a guide part slide and fit correspondingly with the first guide rail and the second guide rail, and a groove is provided in the middle of the first guide part, and the groove is connected with the slider. 7. A pneumatic vise according to claim 1, characterized in that: the second movable tong body is also L-shaped, and the second movable tong body is slidably connected to the base through a pressing block, and the pressing block At least one screw is provided at both ends, and the second movable clamp body is provided with two sliding openings corresponding to the positions where the screws are set. in the rail section. 8. A pneumatic vise according to claim 7, characterized in that: said pneumatic switch is installed on one side of the base, and the pneumatic switch is respectively connected to the driving part and the air supply part through conduits, the driving The part is fixed on one end of the base through a support plate. 9. A pneumatic vise according to claim 8, characterized in that: the driving part is a single cylinder, and the single cylinder is connected with the second movable clamp body through the first piston rod. 10 . The pneumatic vise according to claim 8 , wherein the driving part is a double-force cylinder, and the double-force cylinder is connected to the second movable clamp body through a second piston rod. 11 .