Clamping and positioning mechanism for thermocouple assembly production

Abstract

The utility model discloses a clamping and positioning mechanism for thermocouple assembly production, which relates to the technical field of positioning mechanisms and comprises a mounting plate, a connecting side plate is fixedly connected to the top end of the mounting plate, a pair of movable frames is arranged at the top end of the mounting plate, and a moving mechanism is arranged between the inner wall of the connecting side plate and one end of each movable frame. And telescopic adjusting mechanisms are arranged in the pair of movable frames. According to the utility model, the moving mechanism drives a plurality of pairs of extrusion plates to extrude the armored pipe in opposite directions, so that the armored pipe is positioned and fixed in the assembling process and is not easy to deviate, a thermocouple core wire can be accurately inserted into the armored pipe, the assembling effect is ensured, and the working efficiency is improved. And a telescopic adjusting mechanism is arranged to drive a plurality of pairs of extrusion plates to perform adaptive telescopic deformation when facing armoured pipes with different thicknesses, so that the plurality of pairs of extrusion plates are deformed into shapes matched with the outer walls of the armoured pipes, the armoured pipes are fully contacted, extruded and fixed, and the positioning and fixing effects of the armoured pipes are effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning mechanism technical field, concretely is a kind of clamping positioning mechanism for thermocouple assembly production. BACKGROUND

[0002] Positioning mechanism is a kind of for fixing workpiece, make workpiece in machining or assembly keep stable mechanical structural member.In the thermocouple assembly production process, the thermocouple core line needs to be inserted into armored tube, and lead wire is connected, and in order to guarantee the accurate insertion of thermocouple core line, positioning mechanism is used to position and fix armored tube, so that armored tube is not easy to deviate in assembly process.

[0003] At present, in the thermocouple assembly production process, different thickness and size thermocouple core line is often selected according to use demand and inserted into armored tube of different thickness and size, and the size of positioning component in positioning mechanism is fixed, so corresponding positioning component needs to be replaced for use when facing armored tube of different thickness, and frequent disassembly and installation are more troublesome, time-consuming and poor in use effect, therefore, the utility model provides a kind of clamping positioning mechanism for thermocouple assembly production. UTILITY MODEL CONTENT

[0004] The utility model aims at making up for the deficiency of prior art, and provides a kind of clamping positioning mechanism for thermocouple assembly production.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of clamping positioning mechanism for thermocouple assembly production, including mounting plate, the top of the mounting plate is fixedly connected with the connection side plate, the top of the mounting plate is equipped with a pair of movable frame, and mobile mechanism is equipped between the inner wall of the connection side plate and the one end of a pair of movable frame, the inside of a pair of movable frame is equipped with telescopic adjusting mechanism.

[0006] The above-mentioned mobile mechanism includes bidirectional screw rod, the both ends of the bidirectional screw rod are rotatably connected with the inner wall of the connection side plate through bearing, a pair of movable sleeve blocks are sleeved on the outer wall of the bidirectional screw rod, and the one end of a pair of movable sleeve blocks is slidably connected with the inner wall of the connection side plate, the other end of a pair of movable sleeve blocks is fixedly connected with the one end of a pair of movable frame respectively, the outer wall of the connection side plate is fixedly connected with motor, and the output end of the motor is fixedly connected with the one end of the bidirectional screw rod, a plurality of pairs of extrusion plates are arranged between the opposite sides of a pair of movable frame.

[0007] The above-mentioned bidirectional screw rod is provided with a pair of external threads, and the thread direction of a pair of external threads is opposite, the inner wall of a pair of movable sleeve blocks is opened with threaded through hole, and a pair of movable sleeve blocks are connected with bidirectional screw rod by threaded through hole.

[0008] The pair of telescopic adjusting mechanisms each comprise a plurality of U-shaped plates located in the movable frame, one end of the plurality of U-shaped plates is fixedly connected with a moving sleeve plate, the inner wall of the movable frame is fixedly connected with a plurality of pairs of T-shaped rods, the moving sleeve plate is sleeved on the outer wall of a pair of T-shaped rods, the outer wall of the plurality of pairs of T-shaped rods is sleeved with springs, and the two ends of the spring are respectively fixedly connected with the end of the moving sleeve plate away from the U-shaped plate and the inner wall of the movable frame, and the end of the U-shaped plate away from the moving sleeve plate is fixedly connected with a pair of round rods.

[0009] The end of the plurality of moving sleeve plates is drilled with a pair of sleeve holes, and the moving sleeve plate is sleeved on the outer wall of a pair of T-shaped rods through the pair of sleeve holes.

[0010] The end of the plurality of pairs of extrusion plates close to each other is fixedly connected with a plurality of anti-skid strips, and the anti-skid strips are in the shape of a semi-cylindrical.

[0011] The end of the pair of movable sleeve blocks away from the movable frame is fixedly connected with a sliding block, the inner wall of the connecting side plate is drilled with a sliding groove, and the pair of sliding blocks are located in the sliding groove and are in sliding connection with the sliding groove.

[0012] Compared with the prior art, the tightening and positioning mechanism for thermocouple assembly production has the following beneficial effects:

[0013] First, the movable mechanism cooperates with a pair of movable frames, which can drive a plurality of extrusion plates to move towards each other, extrude the armored pipe, fix the armored pipe during assembly, and prevent the armored pipe from deviating, so that the thermocouple core wire can be accurately inserted into the armored pipe, and the assembly effect is ensured.

[0014] Second, the telescopic adjusting mechanism can drive a plurality of extrusion plates to adaptively stretch and deform when facing armored pipes of different thicknesses, so that the plurality of extrusion plates deform into shapes matching the outer wall of the armored pipe through different stretching movements, so as to fully contact and extrude and fix the armored pipes of different thicknesses, thereby effectively ensuring the positioning and fixing effect.

[0015] Other advantages, objects and features of the present application will be explained in the following description, and will be apparent to those skilled in the art based on the following description, or can be learned from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the present application;

[0017] Figure 2 It is the partial stereoscopic structure schematic view of the moving mechanism in the utility model;

[0018] Figure 3 It is the partial cutaway structure schematic view of the telescopic adjusting mechanism in the utility model;

[0019] Figure 4 It is the stereoscopic structure schematic view of the sliding block and the sliding groove in the utility model.

[0020] In the drawing: 1, mounting plate; 2, link side plate; 3, movable frame; 4, moving mechanism; 401, bidirectional threaded rod; 402, movable sleeve block; 403, motor; 404, extrusion plate; 5, telescopic adjusting mechanism; 501, U-shaped plate; 502, moving sleeve plate; 503, T-shaped rod; 504, spring; 505, round rod; 6, anti-skid strip; 7, sliding block; 8, sliding groove. DETAILED DESCRIPTION

[0021] 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 those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] As Figure 1 , Figure 2 , Figure 3 and Figure 4 indicated, the utility model provides a kind of technical scheme: a kind of positioning mechanism of clamping for thermocouple assembly production, including mounting plate 1, the top of mounting plate 1 is fixedly connected with link side plate 2, the top of mounting plate 1 is equipped with a pair of movable frame 3, and link side plate 2 inner wall and one end between a pair of movable frame 3 are equipped with moving mechanism 4, and the inside of a pair of movable frame 3 is equipped with telescopic adjusting mechanism 5.

[0023] According to the overall structure of device, armored pipe is placed to mounting plate 1 center position, is fully extruded to armored pipe by moving mechanism 4 cooperation telescopic adjusting mechanism 5, is positioned to it with clamping, in order to subsequent thermocouple core wire accurately inserted into armored pipe, guarantee its assembly effect.

[0024] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the moving mechanism 4 comprises a bidirectional threaded rod 401, both ends of which are rotatably connected to the inner wall of the connecting side plate 2 through bearings, the outer wall of the bidirectional threaded rod 401 is sleeved with a pair of movable sleeve blocks 402, one end of the pair of movable sleeve blocks 402 is slidably connected to the inner wall of the connecting side plate 2, the other end of the pair of movable sleeve blocks 402 is fixedly connected to one end of the pair of movable frames 3, the outer wall of the connecting side plate 2 is fixedly connected with a motor 403, and the output end of the motor 403 is fixedly connected to one end of the bidirectional threaded rod 401, a plurality of pairs of extrusion plates 404 are arranged between the opposite sides of the pair of movable frames 3, the outer wall of the bidirectional threaded rod 401 is provided with a pair of external threads with opposite screw directions, and the inner wall of the pair of movable sleeve blocks 402 is provided with threaded holes, and the pair of movable sleeve blocks 402 are threadedly connected with the bidirectional threaded rod 401 through the threaded holes.

[0025] Through the arrangement of the moving mechanism 4, the motor 403 drives the bidirectional threaded rod 401 to rotate, the bidirectional threaded rod 401 drives the pair of movable sleeve blocks 402 to move towards each other through the pair of external threads with opposite screw directions, so that the pair of movable frames 3 and the plurality of pairs of extrusion plates 404 are moved towards each other, until the plurality of pairs of extrusion plates 404 contact the armored pipe and fix it, so that the armored pipe is positioned and fixed during assembly and is not easy to deviate, facilitating the accurate insertion of the thermocouple wire in the subsequent process, and after the thermocouple wire and the armored pipe are inserted and assembled, the motor 403 drives the bidirectional threaded rod 401 to rotate in the opposite direction, so that the pair of movable frames 3 and the plurality of pairs of extrusion plates 404 move away from each other, releasing the fixation of the armored pipe, so as to facilitate the worker to take away the assembled thermocouple.

[0026] As shown in Figure 1 and Figure 3 , each of the pair of telescopic adjusting mechanisms 5 comprises a plurality of U-shaped plates 501 in the movable frame 3, one end of each of the plurality of U-shaped plates 501 is fixedly connected with a moving sleeve plate 502, the inner wall of the movable frame 3 is fixedly connected with a plurality of pairs of T-shaped rods 503, the moving sleeve plate 502 is sleeved on the outer wall of the pair of T-shaped rods 503, the outer wall of the plurality of pairs of T-shaped rods 503 is sleeved with a spring 504, and the two ends of the spring 504 are respectively fixedly connected with the end of the moving sleeve plate 502 away from the U-shaped plate 501 and the inner wall of the movable frame 3, the end of the U-shaped plate 501 away from the moving sleeve plate 502 is fixedly connected with a pair of round rods 505, the end of the movable frame 3 close to the extrusion plate 404 is drilled with a plurality of circular holes, and the one end of the pair of round rods 505 passes through the circular hole and is fixedly connected with one end of the extrusion plate 404, the one end of the plurality of moving sleeve plates 502 is drilled with a pair of sleeve holes, and the moving sleeve plate 502 is sleeved on the outer wall of the pair of T-shaped rods 503 through the pair of sleeve holes.

[0027] With the setting of the telescopic adjusting mechanism 5, when the multiple pairs of extrusion plates 404 contact the outer wall of the armored pipe, the multiple pairs of extrusion plates 404 continue to move under the driving of the pair of movable sleeve blocks 402 and the movable frame 3, and the corresponding multiple pairs of extrusion plates 404 are extruded by the outer wall to move adaptively, driving the multiple pairs of round rods 505 to move towards the inside of the movable frame 3, extruding the multiple U-shaped plates 501 and the moving sleeve plates 502 to move along the multiple pairs of T-shaped rods 503 to different degrees, and compressing the springs 504 until reaching the limit position. At this time, the multiple pairs of extrusion plates 404 are deformed into shapes matching the outer wall of the armored pipe through different telescopic movements, so that when facing armored pipes of different thicknesses, they can be fully contacted and extruded to be fixed through deformation, thereby effectively ensuring the positioning and fixing effect.

[0028] As shown in Figure 1 and Figure 3 , the multiple pairs of extrusion plates 404 are fixedly connected with multiple anti-skid strips 6 at the end close to each other, and the anti-skid strips 6 are in the shape of a semicircular cylinder.

[0029] With the setting of the anti-skid strips 6, the contact and friction between the multiple pairs of extrusion plates 404 and the armored pipe can be enhanced, the anti-skid effect can be achieved, and the positioning stability can be improved.

[0030] As shown in Figure 1 , Figure 2 and Figure 4 , the pair of movable sleeve blocks 402 are fixedly connected with sliding blocks 7 at the end away from the movable frame 3, and the inner wall of the link side plate 2 is drilled with a sliding groove 8. The pair of sliding blocks 7 are located in the sliding groove 8 and are in sliding connection with the sliding groove 8.

[0031] With the setting of the sliding blocks 7 and the sliding groove 8, when the pair of movable sleeve blocks 402 move towards or away from each other, the pair of sliding blocks 7 are driven to move along the sliding groove 8 synchronously. The movement of the pair of movable sleeve blocks 402 is assisted by the sliding of the pair of sliding blocks 7 in the sliding groove 8, so that the pair of movable sleeve blocks 402 can keep linear movement and are not easy to deviate.

[0032] Working principle: first, the staff will armored tube to the center of the installation plate 1 position, then the motor 403 driven by a pair of threaded rod 401 rotation, threaded rod 401 by a pair of opposite screw direction of the outer thread driven by a pair of movable sleeve block 402 to the opposite movement, so that it drives a pair of movable frame 3 and a plurality of pairs of extrusion plate 404 to the opposite movement, so that a plurality of pairs of extrusion plate 404 and armored tube contact, then, a plurality of pairs of extrusion plate 404 under the drive of a pair of movable sleeve block 402 and movable frame 3 continue to move, the corresponding a plurality of pairs of extrusion plate 404 are subjected to the extrusion of its outer wall and make appropriate movement, drive a plurality of pairs of round rod 505 to the inside of movable frame 3 movement, extrusion a plurality of U-shaped plate 501 and moving sleeve plate 502 along a plurality of pairs of T-shaped rod 503 to move different degrees, and compression spring 504, until the limit position, at this time a plurality of pairs of extrusion plate 404 through the different stretching and contraction of the movement deformation into the shape of the armored tube outer wall matching, armored tube for full contact and extrusion fixed.

[0033] The wiring diagram of the motor 403 in the scheme belongs to the common knowledge in the art, and its working principle is a well-known technology. The model thereof is selected according to actual use, so the control mode and wiring arrangement of the motor 403 will not be explained in detail.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A clamping positioning mechanism for thermocouple assembly production, comprising a mounting plate (1), characterized in that: The top end of the mounting plate (1) is fixedly connected with a connecting side plate (2), the top end of the mounting plate (1) is provided with a pair of movable frames (3), and a moving mechanism (4) is arranged between the inner wall of the connecting side plate (2) and one end of the pair of movable frames (3). The interiors of the pair of movable frames (3) are each provided with a telescopic adjusting mechanism (5).

2. The assembly positioning mechanism for thermocouple assembly according to claim 1, wherein: The moving mechanism (4) comprises a bidirectional threaded rod (401), both ends of the bidirectional threaded rod (401) are rotatably connected with the inner wall of the connecting side plate (2) through bearings, the outer wall of the bidirectional threaded rod (401) is sleeved with a pair of movable sleeve blocks (402), one end of the pair of movable sleeve blocks (402) is slidably connected with the inner wall of the connecting side plate (2), the other end of the pair of movable sleeve blocks (402) is fixedly connected with one end of the pair of movable frames (3), the outer wall of the connecting side plate (2) is fixedly connected with a motor (403), and the output end of the motor (403) is fixedly connected with one end of the bidirectional threaded rod (401). A plurality of pairs of extrusion plates (404) are arranged between the opposite sides of the pair of movable frames (3).

3. The assembly positioning mechanism for thermocouple assembly according to claim 2, wherein: The outer wall of the bidirectional threaded rod (401) is provided with a pair of external threads, the thread directions of the pair of external threads are opposite, the inner walls of the pair of movable sleeve blocks (402) are each provided with a threaded through hole, and the pair of movable sleeve blocks (402) are threadedly connected with the bidirectional threaded rod (401) through the threaded through holes.

4. The assembly positioning mechanism for thermocouple assembly according to claim 2, wherein: The pair of telescopic adjusting mechanisms (5) each comprise a plurality of U-shaped plates (501) located in the movable frame (3), one end of the plurality of U-shaped plates (501) is fixedly connected with a moving sleeve plate (502), the inner wall of the movable frame (3) is fixedly connected with a plurality of T-shaped rods (503), the moving sleeve plate (502) is sleeved on the outer walls of the pair of T-shaped rods (503), the outer walls of the plurality of pairs of T-shaped rods (503) are each sleeved with a spring (504), the two ends of the spring (504) are respectively fixedly connected with one end of the moving sleeve plate (502) away from the U-shaped plate (501) and the inner wall of the movable frame (3), one end of the U-shaped plate (501) away from the moving sleeve plate (502) is fixedly connected with a pair of round rods (505), one end of the pair of round rods (505) passes through the circular hole and is fixedly connected with one end of the extrusion plate (404).

5. The assembly positioning mechanism for thermocouple assembly according to claim 4, wherein: One end of the plurality of moving sleeve plates (502) is provided with a pair of sleeve holes, and the moving sleeve plate (502) is sleeved on the outer walls of the pair of T-shaped rods (503) through the pair of sleeve holes.

6. The assembly positioning mechanism for thermocouple assembly according to claim 2, wherein: The proximal ends of the plurality of pairs of extrusion plates (404) are each fixedly connected with a plurality of anti-skid strips (6), and the anti-skid strips (6) are in the shape of a semicircular cylinder.

7. The assembly positioning mechanism for thermocouple assembly according to claim 2, wherein: One end of the pair of movable sleeve blocks (402) away from the movable frame (3) is fixedly connected with a sliding block (7), the inner wall of the connecting side plate (2) is provided with a sliding groove (8), and the pair of sliding blocks (7) are located in the sliding groove (8) and are in sliding connection with the sliding groove (8).

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