High-precision clamp for machining wheelchair armrest fixing frame pipe

Abstract

The high-precision clamp for machining the wheelchair armrest fixing frame pipe comprises a clamping table, a clamping assembly is installed in the clamping table, and the clamping assembly comprises a motor base, a motor, an installation base, a double-thread rod, a fixing column, a moving block, a connecting rod and a clamping ring. The fixing seat is fixedly connected to the front side of the clamping table, splicing type scale plates are slidably mounted in the fixing seat, and the adjacent splicing type scale plates are connected through a first butt joint plate and a first sunk screw; the splicing type horizontal plates and the splicing type horizontal plate on the leftmost side are fixedly installed on the rear side of the clamping table, and the adjacent splicing type horizontal plates are connected through second butt joint plates and second sunk screws. The pipe cutting device can adapt to pipes with different lengths, can clamp and fix the pipes, can avoid displacement of the pipes in the cutting process, improves the cutting precision, and is very convenient to operate.

Description

Technical Field

[0001] The utility model relates to the field of jigs, in particular to a jig for processing pipes of a high-precision wheelchair armrest fixing frame. Background Art

[0002] A wheelchair armrest fixing frame is a component used to fix the wheelchair armrest. Patent Application No. 2014202769362 discloses an electric wheelchair, which includes a heatable seat, a frame, two liftable armrest frames, a car body shell, a footrest and an operation handle. The car body shell covers the frame. The seat is slidably fixed on the frame. The footrest is fixed at the front end of the frame. The footrest includes two folding plates, and a hole is formed between the two folding plates after the two folding plates are folded. The two armrest frames pass through the car body shell to be fixed on the frame and are respectively located on both sides of the footrest. The operation handle passes through the car body shell and is movably fixed on the frame. The operation handle is located between the seat and one of the armrest frames. The operation handle is electrically connected to the controller of the electric wheelchair and is also connected to the two front wheels through a connecting rod.

[0003] The armrest frame includes an armrest and a plurality of telescopic rods. The armrest is fixed on the telescopic rods, and the telescopic rods are fixed on the frame. The telescopic rods are used as the fixing frame of the wheelchair armrest. At the same time, the telescopic rods are processed from pipes, and cutting is one of the common processing means, which can cut the pipes into the required sizes. Therefore, it is very necessary to design a jig for processing pipes of a high-precision wheelchair armrest fixing frame. Summary of the Utility Model

[0004] In view of the above defects or deficiencies in the prior art, it is desired to provide a jig for processing pipes of a high-precision wheelchair armrest fixing frame, which can not only adapt to pipes of different lengths, but also clamp and fix the pipes, can avoid the displacement of the pipes during the cutting process, improve the precision of the cutting process, and is very convenient to operate.

[0005] According to the technical solution provided by the embodiment of the present application, a jig for processing pipes of a high-precision wheelchair armrest fixing frame includes a clamping table, and a clamping assembly is installed inside the clamping table. The clamping assembly includes a motor base, a motor, a mounting seat, a double threaded rod, a fixed column, a moving block, a connecting rod and a clamping ring.

[0006] The interior of the clamping table is provided with an installation cavity. The top of the clamping table is provided with an opening matching the clamping ring. The motor base is fixedly installed inside the clamping table. The motor is fixedly installed on the side of the motor base. The mounting seat is fixedly installed inside the clamping table. The double threaded rod is connected to the mounting seat through a bearing. The outer side of the double threaded rod is provided with a first thread and a second thread. Inside one of the moving blocks, a first screw sleeve is fixedly installed, and the first screw sleeve is screwed with the first thread. Inside the other moving block, a second screw sleeve is fixedly installed, and the second screw sleeve is screwed with the second thread. The output shaft of the motor is connected to the double threaded rod through a coupling. The fixed column is fixedly connected to the mounting seat. A sliding sleeve is fixedly installed inside the moving block, and the sliding sleeve is in sliding contact with the fixed column. The connecting rod is fixedly connected to the clamping ring, and the connecting rod and the moving block are connected by countersunk head screws. A flexible pad is adhesively bonded to the inner side of the clamping ring, and the clamping ring is located outside the pipe.

[0007] A fixed seat is fixedly connected to the front side of the clamping table. Inside the fixed seat, a spliced scale plate is slidably installed, and adjacent spliced scale plates are connected by a first docking plate and first countersunk head screws. Scale lines are engraved on the top of the spliced scale plate, and the outer walls of the spliced scale plates are in sliding contact with the inner wall of the fixed seat and the front side wall of the clamping table respectively.

[0008] Spliced horizontal plates. The leftmost spliced horizontal plate is fixedly installed on the rear side of the clamping table, and adjacent spliced horizontal plates are connected by a second docking plate and second countersunk head screws. The spliced horizontal plates are located behind the spliced scale plates.

[0009] A support plate is installed above the rightmost spliced horizontal plate through first countersunk head bolts. A telescopic hydraulic cylinder is installed on the side of the support plate through screws.

[0010] A push plate is fixed to the end of the telescopic hydraulic cylinder through a connecting sleeve and screws, and the push plate is connected to the rightmost spliced scale plate through second countersunk head bolts. The support plate is located on the right side of the push plate, and the push plate is in sliding contact with the clamping table and the spliced horizontal plates respectively.

[0011] A positioning member is fixed to the side of the push plate through a screwed sleeve. The positioning member includes a positioning head and a stud, the stud is fixedly connected to the positioning head, and an opening corresponding to the stud is provided on the side of the push plate.

[0012] In summary, the beneficial effects of the present application are as follows: Through the settings of the clamping table, clamping assembly, fixed seat, spliced scale plate, first docking plate, spliced horizontal plate, second docking plate, support plate, telescopic hydraulic cylinder, push plate and positioning member, it is possible to adapt to pipes of different lengths and clamp and fix the pipes, which can avoid the displacement of the pipes during the cutting process, improve the precision of cutting and processing, and is very convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings:

[0014] Figure 1 It is a schematic structural diagram of the present utility model;

[0015] Figure 2 It is a top view structural diagram of the connection between the present utility model and the pipe;

[0016] Figure 3 It is a top view structural diagram of the connection between the clamping table, clamping assembly and coupling of the present utility model;

[0017] Figure 4 It is a side view structural diagram of the connection between the connecting rod and the clamping ring of the present utility model;

[0018] Figure 5 It is a side view structural diagram of the push plate of the present utility model;

[0019] Figure 6 It is a structural diagram of the positioning member of the present utility model.

[0020] Reference numerals in the drawings: 1, clamping table; 2, clamping assembly; 3, motor base; 4, motor; 5, mounting seat; 6, double threaded rod; 7, coupling; 8, pipe; 9, fixed column; 10, moving block; 11, connecting rod; 12, clamping ring; 13, fixed seat; 14, spliced scale plate; 15, first docking plate; 16, spliced horizontal plate; 17, second docking plate; 18, support plate; 19, telescopic hydraulic cylinder; 20, push plate; 21, positioning member; 22, positioning head; 23, stud. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following further describes the present application in detail with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the relevant utility model and do not limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for the convenience of description.

[0022] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] Please refer to Figures 1-6 , a fixture for processing a high-precision wheelchair armrest fixing frame pipe, including a clamping table 1, a clamping component 2 is installed inside the clamping table 1, and the clamping component 2 includes a motor base 3, a motor 4, a mounting seat 5, a double threaded rod 6, a fixed column 9, a moving block 10, a connecting rod 11 and a clamping ring 12; a fixed seat 13, the fixed seat 13 is fixedly connected to the front side of the clamping table 1, a spliced scale plate 14 is slidably installed inside the fixed seat 13, and adjacent spliced scale plates 14 are connected by a first docking plate 15 and a first countersunk head screw; a spliced horizontal plate 16, the leftmost spliced horizontal plate 16 is fixedly installed on the rear side of the clamping table 1, and adjacent spliced horizontal plates 16 are connected by a second docking plate 17 and a second countersunk head screw; a support plate 18, the support plate 18 is installed above the rightmost spliced horizontal plate 16 by a first countersunk head bolt, and a telescopic hydraulic cylinder 19 is installed on the side of the support plate 18 by a screw; a push plate 20, the push plate 20 is fixed to the end of the telescopic hydraulic cylinder 19 through a connecting sleeve and a screw, and the push plate 20 is connected to the rightmost spliced scale plate 14 by a second countersunk head bolt; a positioning member 21, the positioning member 21 is fixed to the side of the push plate 20 through a threaded sleeve, and the positioning member 21 includes a positioning head 22 and a stud 23.

[0024] As Figures 1-4 shown, the surface of the clamping table 1 is provided with mounting holes, which facilitates the installation of this product. The inside of the clamping table 1 is provided with a mounting cavity, which facilitates the installation of the clamping component 2. The top of the clamping table 1 is provided with an opening matching the clamping ring 12, which facilitates the movement of the clamping ring 12. The motor base 3 is fixedly installed inside the clamping table 1, the motor 4 is fixedly installed on the side of the motor base 3, the mounting seat 5 is fixedly installed inside the clamping table 1, the double threaded rod 6 is connected to the mounting seat 5 through a bearing, the outer side of the double threaded rod 6 is provided with a first thread and a second thread, a first screw sleeve is fixedly installed inside one moving block 10, and the first screw sleeve is screwed with the first thread. A second screw sleeve is fixedly installed inside the other moving block 10, and the second screw sleeve is screwed with the second thread.

[0025] As Figures 1-4As shown, the output shaft of the motor 4 is connected to the double threaded rod 6 through a coupling 7. The fixed column 9 is fixedly connected to the mounting seat 5. A sliding sleeve is fixedly installed inside the moving block 10, and the sliding sleeve is in sliding contact with the fixed column 9. The connecting rod 11 is fixedly connected to the clamping ring 12, and the connecting rod 11 is connected to the moving block 10 through a countersunk head screw. A flexible pad is bonded to the inner side of the clamping ring 12, and the clamping ring 12 is located outside the pipe 8. The top of the spliced scale plate 14 is engraved with scale lines, which facilitates the control of the cutting length and is beneficial to improving the precision of cutting processing. The outer wall of the spliced scale plate 14 is in sliding contact with the inner wall of the fixed seat 13 and the front side wall of the clamping table 1 respectively. A controller is fixedly installed on the front side of the fixed seat 13, and the motor 4, the telescopic hydraulic cylinder 19 and the controller are electrically connected, which facilitates control.

[0026] As Figure 1 , Figure 2 , Figure 5 and Figure 6 shown, the spliced horizontal plate 16 is located behind the spliced scale plate 14, and the support plate 18 is located on the right side of the push plate 20. The push plate 20 is in sliding contact with the clamping table 1 and the spliced horizontal plate 16 respectively. The stud 23 is fixedly connected to the positioning head 22, and an opening corresponding to the stud 23 is provided on the side of the push plate 20, which facilitates the installation of the positioning member 21.

[0027] During use: First, use bolts to install the clamping table 1 on the ground or a support surface. Then, according to the length of the pipe 8 to be cut, adjust the number of connections between the spliced scale plate 14 and the spliced horizontal plate 16 to adapt to pipes 8 of different lengths. Then, install the support plate 18 above the rightmost spliced horizontal plate 16 through a first countersunk head bolt, and connect the push plate 20 to the rightmost spliced scale plate 14 through a second countersunk head bolt. Subsequently, place the pipe 8 above the clamping table 1, and insert the positioning head 22 of the positioning member 21 into the right end of the pipe 8. Then, start the telescopic hydraulic cylinder 19 to drive the push plate 20 and the spliced scale plate 14 to move leftward together. After the pipe 8 is pushed out to the required cutting size, turn off the telescopic hydraulic cylinder 19. Then, start the motor 4 of the clamping assembly 2. The motor 4 can drive the double threaded rod 6 to rotate, and the double threaded rod 6 can drive the moving blocks 10, connecting rods 11 and clamping rings 12 on both sides to approach each other, so as to clamp and fix the pipe 8, which can avoid the displacement of the pipe 8 during the cutting process, improve the precision of cutting processing, and is very convenient to operate.

[0028] The above description is only a preferred embodiment of the present application and an explanation of the technical principles and other solutions applied. At the same time, the scope of the utility model involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept of the utility model. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) having similar functions disclosed in the present application.

Claims

1. A fixture for processing pipe materials of a high-precision wheelchair armrest fixing bracket, characterized in that: It includes a clamping table (1), inside which a clamping component (2) is installed. The clamping component (2) includes a motor base (3), a motor (4), a mounting base (5), a double threaded rod (6), a fixed column (9), a moving block (10), a connecting rod (11), and a clamping ring (12). A fixed base (13) is fixedly connected to the front side of the clamping table (1). Inside the fixed base (13), a spliced scale plate (14) is slidably installed. Adjacent spliced scale plates (14) are connected by a first docking plate (15) and a first countersunk screw. A spliced horizontal plate (16) is fixedly installed at the rear side of the clamping table (1). Adjacent spliced horizontal plates (16) are connected by a second docking plate (17) and a second countersunk screw. A support plate (18) is installed above the rightmost spliced horizontal plate (16) by a first countersunk bolt. A telescopic hydraulic cylinder (19) is installed on the side of the support plate (18) by screws. A push plate (20) is fixed to the end of the telescopic hydraulic cylinder (19) through a connecting sleeve and screws. The push plate (20) is connected to the rightmost spliced scale plate (14) by a second countersunk bolt. A positioning member (21) is fixed to the side of the push plate (20) through a threaded sleeve. The positioning member (21) includes a positioning head (22) and a stud (23).

2. The fixture for processing the pipe material of the high-precision wheelchair armrest fixing bracket according to claim 1, wherein: An installation cavity is provided inside the clamping table (1), and an opening matching the clamping ring (12) is provided at the top of the clamping table (1).

3. The fixture for processing the pipe material of the high-precision wheelchair armrest fixing bracket according to claim 1, characterized in that: The motor base (3) is fixedly installed inside the clamping table (1). The motor (4) is fixedly installed on the side of the motor base (3). The mounting base (5) is fixedly installed inside the clamping table (1). The double threaded rod (6) is connected to the mounting base (5) through a bearing. The outer side of the double threaded rod (6) is provided with a first thread and a second thread. A first screw sleeve is fixedly installed inside one moving block (10), and the first screw sleeve is screwed with the first thread. A second screw sleeve is fixedly installed inside the other moving block (10), and the second screw sleeve is screwed with the second thread.

4. The fixture for processing the pipe material of the high-precision wheelchair armrest fixing bracket according to claim 1, wherein: The output shaft of the motor (4) is connected to the double threaded rod (6) through a coupling (7). The fixed column (9) is fixedly connected to the mounting base (5). A sliding sleeve is fixedly installed inside the moving block (10), and the sliding sleeve is in sliding contact with the fixed column (9). The connecting rod (11) is fixedly connected to the clamping ring (12), and the connecting rod (11) is connected to the moving block (10) through a countersunk screw. A flexible pad is bonded to the inner side of the clamping ring (12), and the clamping ring (12) is located outside the pipe (8).

5. The fixture for processing the pipe material of the high-precision wheelchair armrest fixing bracket according to claim 1, characterized in that: The top of the spliced scale plate (14) is engraved with scale lines, and the outer walls of the spliced scale plate (14) are in sliding contact with the inner wall of the fixed seat (13) and the front side wall of the clamping table (1) respectively.

6. The fixture for processing the pipe material of the high-precision wheelchair armrest fixing bracket according to claim 1, characterized in that: The spliced horizontal plate (16) is located at the rear side of the spliced scale plate (14), and the support plate (18) is located on the right side of the push plate (20).

7. The fixture for processing the pipe material of the high-precision wheelchair armrest fixing bracket according to claim 1, characterized in that: The push plate (20) is in sliding contact with the clamping table (1) and the spliced horizontal plate (16) respectively. The stud (23) is fixedly connected to the positioning head (22), and an opening corresponding to the stud (23) is provided on the side surface of the push plate (20).

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