CN217494000U - An elbow pipe fitting positioning and fixing fixture - Google Patents

Abstract

The utility model discloses an elbow pipe fitting positioning and fixing clamp, which comprises a processing table, wherein a first fixing seat and a second fixing seat are arranged at the top of the processing table, a pneumatic cylinder is fixedly arranged at one side of the first fixing seat, a first extrusion roller is fixedly connected with the telescopic end of the pneumatic cylinder, an opening is arranged on the outer surface of the second fixing seat, and two movable seats are movably arranged in the opening, can be convenient for be suitable for the return bend spare of different curvatures to carry out the centre gripping, have more extensive suitability.

Description

An elbow pipe fitting positioning and fixing fixture

technical field

The utility model relates to the technical field of clamping and fixing elbow pipe fittings, in particular to a positioning and fixing fixture for elbow pipe fittings.

Background technique

In piping systems, elbows are pipe fittings that change the direction of piping. According to the angle, there are three most commonly used ones: 45° and 90° and 180°. In addition, according to the needs of the project, other abnormal angle elbows such as 60° are also included. The materials of elbows are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics.

Elbow pipe fittings need to be clamped and fixed during processing, and the existing elbow pipe fitting clamping device has certain drawbacks. The existing clamping device cannot be used for clamping elbow pipes of different angles, resulting in bending The head tube has certain limitations when clamping, which has a certain impact.

Utility model content

In order to solve the above problems, the present invention provides a positioning and fixing fixture for elbow pipe fittings, which is realized by the following technical solutions.

An elbow pipe fitting positioning and fixing fixture includes a processing table, a first fixing seat and a second fixing seat are arranged on the top of the processing table, a pneumatic cylinder is fixedly installed on one side of the first fixing seat, and the pneumatic cylinder is The telescopic end is fixedly connected with a first extrusion roller, an opening is formed on the outer surface of the second fixed seat, two movable seats are movably installed inside the opening, and the outer surface of the movable seat is threaded and connected with A threaded extrusion rod, one end of the threaded extrusion rod is rotatably connected with a second extrusion roller, the other end of the threaded extrusion rod is fixedly connected with a hand crank, the inside of the opening is provided with a transmission mechanism, the The transmission mechanism includes a gear box.

Further, the second extrusion roller and the threaded extrusion rod are detachably connected.

Further, the first squeezing roller and the second squeezing roller are all located on the same plane, and the first squeezing roller is located in the middle position between the two second squeezing rollers, the first squeezing roller The outer surfaces of the roller and the second extrusion roller are provided with arc-shaped grooves.

Further, the upper and lower sides of the inner wall of the opening are provided with slots, the top of the movable seat is fixedly connected with an upper movable block, and the outer surface of the upper movable block penetrates and is slidably connected to the limit slide bar, and the limit slide is connected. The rod is fixed on the upper slotted inner wall, the bottom of the movable seat is fixedly connected with a lower movable block, the outer surface of the lower movable block is threadedly connected with a threaded rod, and one end of the threaded rod is rotatably connected to the lower slotted inner wall.

Further, a motor is fixedly connected to one side of the gear box, a worm is fixedly connected to the output shaft of the motor, the threaded rod is penetrating and rotatably connected to the gear box, and the outer surface of the threaded rod is fixedly sleeved with a worm wheel. and one end of the worm extending to the inner wall of the gear box is engaged with the worm gear.

Further, the first fixing seat and the second fixing seat are both L-shaped structures, and the first fixing seat and the second fixing seat are symmetrical and parallel to each other, and the first fixing seat and the second fixing seat are both connected by screws. Fixed installation with processing table.

The beneficial effect of the utility model is that, during the working process of the device, firstly, the provided pneumatic cylinder, the first extrusion roller, the movable seat, the threaded extrusion rod and the second extrusion roller are connected with each other, so that the bending can be reversed. The pipe fittings are positioned and clamped, and the set movable seat can drive the threaded extrusion rod to slide, thereby adjusting the distance between the two second extrusion rollers, and the set gear box and motor can drive the two movable seats to carry out The synchronous movement can facilitate automatic adjustment, the structure is reasonable, and it can be easily clamped for elbow fittings with different cambers, and has wider applicability.

Description of drawings

In order to illustrate the technical solutions of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the specific embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1: the structural representation of a kind of elbow pipe fitting positioning and fixing fixture according to the present utility model;

Figure 2: A partial enlarged view of the part A shown in Figure 1;

Figure 3: a schematic diagram of the connection between the second fixing seat and the threaded extrusion rod of the present invention;

Figure 4: The internal schematic diagram of the gear box of the present invention.

The reference numbers are as follows:

1. Processing table;

2. The first fixed seat;

3. The second fixed seat; 301, the opening; 302, the slot;

4. Pneumatic cylinder; 401. The first extrusion roller;

5, movable seat; 501, lower movable block; 502, upper movable block; 503, limit slide rod; 504, threaded rod; 505, worm wheel;

6. Threaded extrusion rod; 601. Second extrusion roller; 602. Hand crank;

7. Gearbox; 701, Motor; 702, Worm.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-4, the present invention has the following three specific embodiments.

Example 1

An elbow pipe fitting positioning and fixing fixture, comprising a processing table 1, a first fixing seat 2 and a second fixing seat 3 are arranged on the top of the processing table 1, a pneumatic cylinder 4 is fixedly installed on one side of the first fixing seat 2, and the pneumatic cylinder The telescopic end of 4 is fixedly connected with the first extrusion roller 401, the outer surface of the second fixed seat 3 is provided with an opening 301, and the interior of the opening 301 is movably installed with two movable seats 5, the outer surface of the movable seat 5 is penetrated and screwed. There is a threaded extrusion rod 6, one end of the threaded extrusion rod 6 is rotatably connected with a second extrusion roller 601, the other end of the threaded extrusion rod 6 is fixedly connected with a hand crank 602, and a transmission mechanism is arranged inside the opening 301 to drive the The mechanism includes a gearbox 7 .

The first fixing base 2 and the second fixing base 3 are both L-shaped structures, and the first fixing base 2 and the second fixing base 3 are symmetrical and parallel to each other. The first fixing base 2 and the second fixing base 3 are connected to each other by screws. The processing table 1 is fixedly installed.

In this example:

When using the device, first hold the elbow to make its arc angle stand on the side of the first extrusion roller 401, and then turn on the motor 701, so that the motor 701 adjusts the distance between the two movable seats 5, so that the movable seat 5 drives the thread The extruding rod 6 and the second extruding roller 601 are moved to just above the two ends of the elbow, and then the two hand cranks 602 are manually shaken at the same time. The pressing roller 601 moves forward, so that the two second pressing rollers 601 squeeze both ends of the elbow at the same time. The elbow is protected to prevent extrusion deformation, and the structure is reasonable, which can be easily clamped by elbow fittings with different cambers, and has wider applicability.

Example 2

The difference from Embodiment 1 is that it also includes the following:

The second extrusion roller 601 is detachably connected to the threaded extrusion rod 6 .

The first squeezing roller 401 and the second squeezing roller 601 are both located on the same plane, and the first squeezing roller 401 is located in the center between the two second squeezing rollers 601 . The first squeezing roller 401 and the second squeezing roller 401 The outer surfaces of the extrusion rollers 601 are all provided with arc-shaped grooves.

In this example:

The provided second squeezing roller 601 and the first squeezing roller 401 are located on the same plane, and the first squeezing roller 401 is located in the middle position between the two second squeezing rollers 601, which can facilitate the squeezing of the bent pipe At the same time, the first squeezing roller 401 and the second squeezing roller 601 are both detachably connected, which can facilitate the replacement of the first squeezing roller 401 and the second squeezing roller 601, so as to be suitable for different thicknesses of bends. .

Example 3

The difference from Embodiment 1 is that it also includes the following:

The upper and lower sides of the inner wall of the opening 301 are provided with slots 302, the top of the movable seat 5 is fixedly connected with an upper movable block 502, and the outer surface of the upper movable block 502 penetrates and is slidably connected to the limit slide bar 503, and the limit slide bar 503 is fixed On the inner wall of the upper slot 302, a lower movable block 501 is fixedly connected to the bottom of the movable seat 5, a threaded rod 504 is threadedly connected to the outer surface of the lower movable block 501, and one end of the threaded rod 504 is rotatably connected to the inner wall of the lower slot 302 .

A motor 701 is fixedly connected to one side of the gear box 7 , a worm 702 is fixedly connected to the output shaft of the motor 701 , the threaded rod 504 is penetrating and rotatably connected to the gear box 7 , and the outer surface of the threaded rod 504 is fixedly sleeved with a worm wheel 505 and a worm 702 One end extending to the inner wall of the gear box 7 is engaged with the worm gear 505 .

In this example:

The provided motor 701 can drive the worm 702 to rotate, the worm 702 is meshed and connected with the worm wheel 505, the worm wheel 505 is fixedly sleeved on the threaded rod 504, and the two ends of the threaded rod 504 are respectively threaded with the two lower movable blocks 501, and the two lower movable blocks 501 are respectively threaded. The block 501 is fixed at the bottom of the movable seat 5, and the thread teeth at both ends of the movable seat 5 are in opposite directions, so that the two movable seats 5 can be driven to move in opposite directions. The limit slide bar 503 can slide in the upper limit, so that the two movable seats 5 can be adjusted to perform limit movement.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not exhaustively describe all the details, nor do they limit the invention to specific embodiments only. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. An elbow pipe fitting positioning and fixing fixture, comprising a processing table (1), characterized in that: the top of the processing table (1) is provided with a first fixing seat (2) and a second fixing seat (3), so A pneumatic cylinder (4) is fixedly installed on one side of the first fixing seat (2), a first extrusion roller (401) is fixedly connected to the telescopic end of the pneumatic cylinder (4), and the second fixing seat (3) ) is provided with an opening (301) on the outer surface of the opening (301), two movable seats (5) are movably installed inside the opening (301), and the outer surface of the movable seat (5) penetrates and is threadedly connected with a threaded extrusion rod ( 6), one end of the threaded extrusion rod (6) is rotatably connected with a second extrusion roller (601), and the other end of the threaded extrusion rod (6) is fixedly connected with a hand crank (602). A transmission mechanism is arranged inside the opening (301), and the transmission mechanism includes a gear box (7). 2 . The elbow pipe fitting positioning and fixing fixture according to claim 1 , wherein the second extrusion roller ( 601 ) and the threaded extrusion rod ( 6 ) are detachably connected. 3 . 3 . The elbow pipe fitting positioning and fixing fixture according to claim 1 , wherein the first extrusion roller ( 401 ) and the second extrusion roller ( 601 ) are all located on the same plane, and the The first squeezing roller (401) is located at a central position between the two second squeezing rollers (601), and the outer surfaces of the first squeezing roller (401) and the second squeezing roller (601) are both provided with Curved slot. 4. An elbow pipe fitting positioning and fixing fixture according to claim 1, characterized in that: the upper and lower sides of the inner wall of the opening (301) are provided with slots (302), and the top of the movable seat (5) is provided with a slot (302). An upper movable block (502) is fixedly connected, the outer surface of the upper movable block (502) penetrates and is slidably connected to a limit slide bar (503), and the limit slide bar (503) is fixed to the upper slot (302) In the inner wall, the bottom of the movable seat (5) is fixedly connected with a lower movable block (501), the outer surface of the lower movable block (501) is threadedly connected with a threaded rod (504), and one end of the threaded rod (504) rotates Connect to the inner wall of the slot (302) below. 5. The elbow pipe fitting positioning and fixing fixture according to claim 4, wherein a motor (701) is fixedly connected to one side of the gear box (7), and the output shaft of the motor (701) is fixed A worm (702) is connected, the threaded rod (504) passes through and is rotatably connected to the gear box (7), and a worm wheel (505) is fixedly sleeved on the outer surface of the threaded rod (504), and the worm (702) One end extending to the inner wall of the gear box (7) is engaged with the worm gear (505). 6 . The elbow pipe fitting positioning and fixing fixture according to claim 1 , wherein the first fixing seat ( 2 ) and the second fixing seat ( 3 ) are both L-shaped structures, and the first fixing seat (2) and the second fixing seat (3) are symmetrical and parallel to each other, and the first fixing seat (2) and the second fixing seat (3) are both fixed and installed on the processing table (1) by screws.

Images