Oil cylinder welding clamp

Abstract

The utility model relates to the technical field of clamps, in particular to an oil cylinder welding clamp which comprises a base, a machine frame is arranged at the top end of the base, a sliding assembly is arranged in an inner cavity of the machine frame, two lifting assemblies are arranged at the top end of the sliding assembly, and connecting rods are arranged on the sides, close to each other, of the two lifting assemblies. Clamping plates are arranged on the sides, close to each other, of the two connecting rods, fixing grooves are formed in the sides, close to each other, of the two clamping plates, and the fixing grooves incline from the upper side and the lower side to the middle. According to the oil cylinder welding clamp, the lifting assembly and the two clamping plates are driven by the sliding assembly to slide towards the middle of the top end of the base at the same time, then the two clamping plates can clamp and fix an oil cylinder, only one rotary knob needs to be rotated, operation is easy, use is convenient, and the problems that in the prior art, an oil cylinder welding clamp is complex and troublesome to operate in the actual using process, and the working efficiency is high are solved. The oil cylinder can be clamped and fixed by two clamping plates only by rotating two lead screws, and a large amount of time needs to be consumed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamp, concretely is a kind of oil cylinder welding fixture. BACKGROUND

[0002] Oil cylinder is hydraulic cylinder, hydraulic cylinder is output force and the effective area of piston and the pressure difference of its two sides are proportional to the linear motion type actuator.Its function is to convert hydraulic energy into mechanical energy.The input of hydraulic cylinder is the flow and pressure of fluid, and the output is linear motion speed and force.The piston of hydraulic cylinder can complete linear reciprocating motion, and the output linear displacement is limited.Hydraulic cylinder is the energy conversion device that converts hydraulic energy into reciprocating linear motion.Hydraulic cylinder is basically composed of cylinder and cylinder cover, piston and piston rod, sealing device, buffer device and exhaust device.The buffer device and exhaust device are determined according to specific application occasion, and other devices are essential.

[0003] But the oil cylinder welding fixture of prior art is complex and troublesome in actual use process, two lead screws need to be rotated to make two clamping plates clamp and fix oil cylinder, a lot of time is consumed, and the oil cylinder welding fixture is provided to solve the problem. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an oil cylinder welding fixture to solve the problems in the above background art.To achieve the above object, the utility model provides the following technical scheme: an oil cylinder welding fixture, comprising a base, the top of the base is provided with a rack, the inner cavity of the rack is provided with a sliding assembly, the top of the sliding assembly is provided with two lifting assemblies, the side close to each other of the two lifting assemblies is provided with a connecting rod, the side close to each other of the two connecting rods is provided with a clamping plate, the side close to each other of the two clamping plates is provided with a fixing groove, and the fixing groove is inclined from the upper and lower sides to the middle.

[0005] Preferably, the sliding assembly comprises a driving assembly, a guide rod and a sliding plate, the two guide rods are arranged in the inner cavity of the rack, the two sliding plates are slidably sleeved on the left and right sides of the outer walls of the two guide rods, the top of the two sliding plates is fixedly connected with the two lifting assemblies respectively, and the driving assembly is arranged at the bottom of the base and connected with the bottom of the two sliding plates.

[0006] Preferably, the lifting assembly comprises a motor, a lead screw, a top plate, a fixed rod, and a lifting plate, the fixed rod is arranged at the top end of the sliding plate, the top plate is arranged at the top end of the fixed rod, the motor is arranged at the top end of the top plate, the output end of the motor extends to the bottom end of the top plate, one end of the lead screw is rotatably connected to the top end of the sliding plate through a bearing, the other end of the lead screw is fixedly connected with the output end of the motor, and the lifting plate is screwed on the outer wall of the lead screw and slidably sleeved on the outer wall of the fixed rod and is fixedly connected with the connecting rod.

[0007] Preferably, the two fixed grooves are provided with anti-skid edges on the side close to each other.

[0008] Preferably, the driving assembly comprises a support, a worm, a rotating column, a worm gear, a knob, and a transmission assembly, the support is arranged at the bottom end of the base, one end of the worm is rotatably connected to the rear side of the inner cavity of the support through a bearing, the other end of the worm extends to the front end of the support and is fixedly connected with the knob, the rotating column is rotatably connected to the middle part of the base through a bearing, the worm gear is fixedly sleeved on the bottom end of the rotating column, and the transmission assembly is fixedly sleeved on the top end of the rotating column.

[0009] Preferably, the worm is engaged with the worm gear.

[0010] Preferably, the transmission assembly comprises a rotating rod and two connecting rods, the rotating rod is fixedly sleeved on the rotating column, one end of each of the two connecting rods is hingedly connected to the two ends of the rotating rod, and the other end of each of the two connecting rods is hingedly connected to the bottom end of each of the two sliding plates.

[0011] Preferably, a plurality of anti-skid rods are arranged on the circumference of the outer wall of the knob.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. The sliding assembly drives the lifting assembly and the two clamping plates to slide to the middle part of the top end of the base at the same time, so that the two clamping plates can clamp and fix the oil cylinder, and only one knob needs to be rotated, so that the operation is simple and convenient, and the problem that the oil cylinder welding fixture in the prior art is complex and troublesome to operate, two lead screws need to be rotated to clamp and fix the oil cylinder, and a lot of time is wasted is solved.

[0014] 2. The height of the clamping plate can be adjusted through the arrangement of the lifting assembly, so that the height of the clamping plate can be adjusted according to the actual welding requirement, and the purpose of adjusting the height of the oil cylinder is achieved, and the flexibility of the device in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Fig. 2 It is the bottom view of the utility model;

[0017] Fig. 3 It is the structure schematic diagram of the utility model lifting assembly;

[0018] Fig. 4 It is the structure schematic diagram of the utility model driving assembly.

[0019] In the drawing: 1, base; 2, rack; 3, guide rod; 4, sliding plate; 5, connecting rod; 6, clamping plate; 7, fixed groove; 8, motor; 9, screw; 10, fixed rod; 12, lifting plate; 13, support; 14, worm; 15, knob; 16, rotating column; 17, worm wheel; 18, rotating rod; 19, connecting rod; 20, top plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a hydraulic cylinder welding fixture, including base 1, the top of base 1 is provided with rack 2, the inner cavity of rack 2 is provided with sliding assembly, the top of sliding assembly is provided with two lifting assemblies, the side of two lifting assemblies close to each other is provided with connecting rod 5, the side of two connecting rods 5 close to each other is provided with clamping plate 6, the side of two clamping plates 6 close to each other is provided with fixed groove 7, fixed groove 7 is inclined from upper and lower sides to middle part, lifting assembly and two clamping plates 6 are simultaneously slid to the top middle part of base 1 by sliding assembly, then two clamping plates 6 can clamp and fix hydraulic cylinder, only one knob 15 is rotated, it is simple to operate, convenient to use, solve the operation complex trouble of the hydraulic cylinder welding fixture of prior art in actual use process, two clamping plates 6 are clamped and fixed to hydraulic cylinder by rotating two screw rods 9, need to spend a lot of time, by the setting of lifting assembly, the height of clamping plate 6 can be adjusted, then the height of clamping plate 6 can be adjusted according to actual welding demand, then the purpose of adjusting the height of hydraulic cylinder is realized, improve the flexibility of the device when using.

[0022] In the embodiment, the sliding assembly comprises a driving assembly, guide rods 3 and sliding plates 4. The two guide rods 3 are arranged in the inner cavity of the rack 2, and the two sliding plates 4 are slidably sleeved on the left and right sides of the outer walls of the two guide rods 3. The top ends of the two sliding plates 4 are fixedly connected with the two lifting assemblies respectively. The driving assembly is arranged at the bottom end of the base 1 and connected with the bottom ends of the two sliding plates 4. The driving assembly drives the two sliding plates 4 to slide towards the middle part of the top end of the base 1 at the same time, so as to drive the two connecting rods 5 and the two clamping plates 6 to slide towards the middle part of the top end of the base 1 at the same time, so that the two clamping plates 6 can clamp and fix the oil cylinder. Only one knob 15 needs to be rotated, which is simple and convenient to operate. The existing cylinder welding fixture has the problems of complex operation, long time consumption and the like in the actual use process, and two lead screws 9 need to be rotated to clamp and fix the oil cylinder with the two clamping plates 6.

[0023] In the embodiment, the lifting assembly comprises a motor 8, a lead screw 9, a top plate 20, a fixed rod 10 and a lifting plate 12. The fixed rod 10 is arranged at the top end of the sliding plate 4, the top plate 20 is arranged at the top end of the fixed rod 10, and the motor 8 is arranged at the top end of the top plate 20. The output end of the motor 8 extends to the bottom end of the top plate 20. One end of the lead screw 9 is rotatably connected to the top end of the sliding plate 4 through a bearing, and the other end of the lead screw 9 is fixedly connected with the output end of the motor 8. The lifting plate 12 is screwed on the outer wall of the lead screw 9 and slidably sleeved on the outer wall of the fixed rod 10. The lifting plate 12 is fixedly connected with the connecting rod 5. Starting the motor 8 drives the lead screw 9 to rotate. Under the action of the thread rotation force on the outer wall of the lead screw 9, when the lead screw 9 rotates, the lifting plate 12 slides up and down along a straight line under the limiting action of the fixed rod 10, so as to drive the clamping plate 6 to slide up and down. The height of the clamping plate 6 can be adjusted, and the height of the clamping plate 6 can be conveniently adjusted according to the actual welding requirement, so as to achieve the purpose of adjusting the height of the oil cylinder, and improve the flexibility of the device in use.

[0024] In the embodiment, the two fixed grooves 7 are provided with anti-skid edges on the side close to each other, which can improve the roughness of the inner cavity of the fixed groove 7, and further improve the friction force when the inner wall of the fixed groove 7 is in contact with the outer wall of the oil cylinder.

[0025] In the embodiment, the driving assembly comprises a support 13, a worm 14, a rotating column 16, a worm wheel 17, a knob 15 and a transmission assembly, the support 13 is arranged at the bottom end of the base 1, one end of the worm 14 is rotatably connected to the rear side of the inner cavity of the support 13 through a bearing, the other end of the worm 14 extends to the front end of the support 13 and is fixedly connected with the knob 15, the rotating column 16 is rotatably connected to the middle part of the base 1 through a bearing, the worm wheel 17 is fixedly sleeved at the bottom end of the rotating column 16, the transmission assembly is fixedly sleeved at the top end of the rotating column 16, the knob 15 is rotated, so that the knob 15 drives the worm 14 to rotate, since the worm 14 is engaged with the worm wheel 17, when the worm 14 rotates, the worm wheel 17 can drive the rotating column 16 to rotate, and then the transmission assembly drives the sliding plates 4 to simultaneously slide in the horizontal direction under the limiting action of the guide rods 3.

[0026] In the embodiment, the worm 14 is engaged with the worm wheel 17, so that the worm 14 drives the worm wheel 17 to rotate when the worm 14 rotates.

[0027] In the embodiment, the transmission assembly comprises a rotating rod 18 and two connecting rods 19, the rotating rod 18 is fixedly sleeved on the rotating column 16, one end of each of the two connecting rods 19 is hingedly connected to the two ends of the rotating rod 18, and the other end of each of the two connecting rods 19 is hingedly connected to the bottom end of each of the two sliding plates 4, when the rotating column 16 rotates, the rotating rod 18 can be rotated, and then the two connecting rods 19 simultaneously drive the two sliding plates 4 to simultaneously slide.

[0028] In the embodiment, the outer wall of the knob 15 is circumferentially provided with a plurality of anti-skid rods.

[0029] The basic principle, main features and advantages of the utility model are shown and described above. The technical workers in the industry should understand that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for a cylinder, comprising a base (1), characterized in that: The top end of the base (1) is provided with a rack (2), the inner cavity of the rack (2) is provided with a sliding assembly, the top end of the sliding assembly is provided with two lifting assemblies, the side close to each other of the two lifting assemblies is provided with a connecting rod (5), the side close to each other of the two connecting rods (5) is provided with a clamping plate (6), the side close to each other of the two clamping plates (6) is provided with a fixing groove (7), and the fixing groove (7) is inclined from the upper and lower sides to the middle part.

2. The oil cylinder welding fixture according to claim 1, characterized in that: The sliding assembly comprises a driving assembly, a guide rod (3) and a sliding plate (4), the two guide rods (3) are arranged in the inner cavity of the rack (2), the two sliding plates (4) are respectively slidably sleeved on the left and right sides of the outer walls of the two guide rods (3), the top ends of the two sliding plates (4) are respectively fixedly connected with the two lifting assemblies, and the driving assembly is arranged at the bottom end of the base (1) and connected with the bottom ends of the two sliding plates (4).

3. The hydraulic cylinder welding fixture of claim 1, wherein: The lifting assembly comprises a motor (8), a lead screw (9), a top plate (20), a fixing rod (10) and a lifting plate (12), the fixing rod (10) is arranged at the top end of the sliding plate (4), the top plate (20) is arranged at the top end of the fixing rod (10), the motor (8) is arranged at the top end of the top plate (20), the output end of the motor (8) extends to the bottom end of the top plate (20), one end of the lead screw (9) is rotatably connected to the top end of the sliding plate (4) through a bearing, the other end of the lead screw (9) is fixedly connected with the output end of the motor (8), the lifting plate (12) is screwed on the outer wall of the lead screw (9) and slidably sleeved on the outer wall of the fixing rod (10), and the lifting plate (12) is fixedly connected with the connecting rod (5).

4. The oil cylinder welding fixture of claim 1, wherein: The side close to each other of the two fixing grooves (7) is provided with an anti-skid rib.

5. The oil cylinder welding fixture of claim 2, wherein: The driving assembly comprises a support (13), a worm (14), a rotating column (16), a worm wheel (17), a knob (15) and a transmission assembly, the support (13) is arranged at the bottom end of the base (1), one end of the worm (14) is rotatably connected to the rear side of the inner cavity of the support (13) through a bearing, the other end of the worm (14) extends to the front end of the support (13) and is fixedly connected with the knob (15), the rotating column (16) is rotatably connected to the middle part of the base (1) through a bearing, the worm wheel (17) is fixedly sleeved on the bottom end of the rotating column (16), and the transmission assembly is fixedly sleeved on the top end of the rotating column (16).

6. An oil cylinder welding fixture according to claim 5, characterized in that: The worm (14) is engaged with the worm wheel (17).

7. The oil cylinder welding fixture of claim 5, wherein: The transmission assembly comprises a rotating rod (18) and a connecting rod (19), the rotating rod (18) is fixedly sleeved on the rotating column (16), one end of each of the two connecting rods (19) is hinged to the two ends of the rotating rod (18), and the other ends of the two connecting rods (19) are respectively hinged to the bottom ends of the two sliding plates (4).

8. The oil cylinder welding fixture of claim 5, wherein: A plurality of anti-skid rods are arranged on the circumference of the outer wall of the knob (15).

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