Positioning jig for tinplate easy-to-open cover production

Abstract

The utility model discloses a positioning jig for tinplate easy-open cover production, which comprises a base, the top of the base is provided with a T-shaped sliding chute, two sliding blocks are movably clamped in the sliding chute, a bidirectional screw rod is screwed in a threaded hole in the side surface of each sliding block, the end part of the bidirectional screw rod is connected with a motor, the top of each sliding block is connected with a support rod, and the top of each support rod is connected with a screw rod. The connecting plate at the top of the supporting rod is correspondingly inserted into the connecting groove in the bottom of the jig support and fixed through a connecting assembly, and a V-shaped positioning groove is formed in the inner side of the jig support. The automatic adjusting device is scientific and reasonable in structural design, the two-way lead screw is driven by the motor, automatic synchronous adjustment of the distance between the jig supports is achieved, a traditional manual adjusting mode is replaced, the adjusting efficiency is remarkably improved, and the automatic control requirement of a high-speed production line is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to jig equipment technical field, concretely is a positioning jig for tinplate easy -open can production. BACKGROUND

[0002] In the industrialized production of tinplate easy -open can, positioning jig is the core component of guaranteeing the machining accuracy of the cover body. The traditional positioning jig has the following technical problems:

[0003] Low adjustment efficiency: it is difficult to adapt to the rapid switching of easy -open cans of different specifications by relying on manual adjustment of the distance between jig supports, and it cannot meet the beat requirements of high -speed automatic production line. Insufficient positioning accuracy: single mechanical positioning mode is adopted, which is easily affected by factors such as cover body edge profile deviation and machining vibration, leading to unstable positioning and further affecting the subsequent machining accuracy. Component loss and maintenance inconvenience: the clamping components lack wear -resistant design, and long -term friction leads to serious loss; at the same time, the disassembly and assembly of traditional bolt connection are cumbersome, and the cleaning and replacement of wearing parts are time -consuming and labor -intensive, increasing the downtime maintenance cost. For this purpose, we propose a positioning jig for tinplate easy -open can production. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a positioning jig for tinplate easy -open can production to solve the problems raised in the above background technology.

[0005] In order to achieve the above -mentioned purpose, the utility model provides the following technical scheme: a positioning jig for tinplate easy -open can production, including base, the base top is equipped with " T " type sliding slot, two sliding blocks are movably connected in the sliding slot, the threaded hole in the side of the sliding block is screwed with a bidirectional screw rod, the end of the bidirectional screw rod is connected with a motor, the top of the sliding block is connected with a support rod, the connecting plate at the top of the support rod is inserted in the connecting groove at the bottom of the jig support and is fixed through the connecting assembly, the inner side of the jig support is equipped with V type positioning slot, the clamping plate is connected in the V type positioning slot through the connecting spring, the inner side of the clamping plate is provided with wear -resistant coating.

[0006] In the above -mentioned scheme, the base bottom is connected with the supporting leg through the supporting column.

[0007] In the above -mentioned scheme, the lower portion of the sliding slot is provided with the collecting cover with the top opening.

[0008] In the above -mentioned scheme, the top of the sliding block is equipped with the connecting hole, and the bottom end of the support rod is inserted in the connecting hole.

[0009] In the above -mentioned scheme, the connecting assembly includes a limiting spring, the two ends of the limiting spring are connected with the jig support and the pull plate respectively, the inner side of the pull plate is provided with the inserting rod, and the inserting rod is inserted in the connecting plate side wall through hole after penetrating the jig support side wall.

[0010] In the scheme, the top of the clamping plate is provided with a positioning block, and the positioning block is connected with the jig support through a bolt assembly.

[0011] In the scheme, the middle part of the jig support is provided with a cylindrical permanent magnet.

[0012] Compared with the prior art, the positioning jig for easy-opening tinplate production has the advantages that the structure is simple and reasonable, has strong practicability, the automatic synchronous adjustment of the distance between the jig supports is realized through the bidirectional screw rod driven by the motor, the traditional manual adjustment mode is replaced, the adjustment efficiency is significantly improved, the automatic control demand of the high-speed production line is adapted, the elastic cooperation structure of "V-shaped positioning groove + connecting spring + clamping plate" is adopted, the magnetic force adsorption of the middle permanent magnet is combined, the double positioning mechanism of "edge elastic clamping + center magnetic force adsorption" is formed, the size deviation and deformation of the cover body are effectively compensated, the positioning instability problem in the vibration environment is solved, the positioning precision in high-speed machining is greatly improved, the support rod and the sliding block are inserted through interference fit, the plug rod quick locking structure driven by the limiting spring is adopted between the jig support and the connecting plate, the quick disassembly and assembly of the components can be realized without tools, the replacement of the vulnerable parts is facilitated, and the maintenance efficiency is significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structure sectional view of the utility model.

[0014] Fig. 2 It is a side structure schematic view of the utility model.

[0015] Fig. 3 It is a clamping plate mounting structure schematic view of the utility model.

[0016] In the drawing: 1, base 11, support column 12, support foot 13, sliding groove 14, sliding block 15, threaded hole 16, bidirectional screw rod 17, motor 18, collection cover 19, connecting hole 2, support rod 21, connecting plate 22, jig support 23, limiting spring 24, pull plate 25, plug rod 26, V-shaped positioning groove 27, connecting spring 28, clamping plate 29, wear-resistant coating 3, positioning block 31, permanent magnet. DETAILED DESCRIPTION

[0017] 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, rather than 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.

[0018] Please refer to Figs. 1-3 The utility model provides a technical scheme: a positioning jig for tinplate easy -open cover production, including base 1, the top of base 1 is equipped with " T " type sliding slot 13, two sliding blocks 14 are movably connected in the sliding slot 13, the threaded hole 15 of the side of sliding block 14 is screwed with bidirectional screw rod 16, the end of bidirectional screw rod 16 is connected with motor 17, the top of sliding block 14 is connected with support rod 2, the connecting plate 21 of support rod 2 top is correspondingly inserted in the connecting groove of jig support 22 bottom and is fixed through connecting assembly, the inside of jig support 22 is equipped with V type positioning slot 26, the clamping plate 28 is connected in V type positioning slot 26 through connecting spring 27, the inside of clamping plate 28 is provided with wear -resisting coating 29.

[0019] Motor 17 drives bidirectional screw rod 16 to rotate, drives sliding block 14 to slide in " T " type sliding slot 13 synchronously through threaded hole 15, realizes the automatic adjustment of the spacing of jig support 22.

[0020] V type positioning slot 26 cooperates with connecting spring 27, so that clamping plate 28 is self-adapting to the edge profile of easy -open cover through elastic force, and the wear -resisting coating 29 is combined to reduce friction loss.

[0021] According to the cooperation structure of bidirectional screw rod 16, motor 17 and sliding block 14, the automatic adjustment of the spacing of jig support is realized, the problems of low efficiency and manual adjustment of traditional jig are solved, the adjustment is flexible and suitable for the automatic control of high-speed production line, and the problems of insufficient positioning accuracy and serious component wear are solved.

[0022] In the above scheme, the bottom of base 1 is connected with support foot 12 through support column 11. Through the connecting structure of support column 11 and support foot 12, the stability of base 1 is enhanced, the positioning deviation problem caused by unstable support of traditional jig is solved, and a basic guarantee is provided for high-precision positioning.

[0023] In the above scheme, the lower portion of sliding slot 13 is provided with a collecting cover 18 with an open top. The collecting cover 18 is located directly below the sliding slot 13, the opening faces upward, can receive metal scraps, oil stains and other impurities generated when the sliding block 14 slides, and avoids the accumulation of impurities affecting the movement of the sliding block.

[0024] According to the cooperation structure of collecting cover 18 and sliding slot 13, the impurities generated in the positioning process are effectively collected, the sliding block jamming problem caused by the inconvenience of cleaning of the existing jig is solved, and the smoothness of long-term operation of the jig is ensured.

[0025] The top of the sliding block 14 is provided with a connecting hole 19, and the bottom end of the supporting rod 2 is inserted into the connecting hole 19. The connecting hole 19 and the bottom end of the supporting rod 2 are in interference fit or positioning plug-in structure, so that quick assembly can be achieved without the need for bolts and other fixing members, and the supporting rod 2 and the sliding block 14 can be easily disassembled.

[0026] Through the plug-in cooperation of the connecting hole 19 and the supporting rod 2, the assembly process of the supporting rod and the sliding block is simplified, the problem of complicated installation of the traditional bolt connection mode is solved, and the disassembly efficiency of the jig as a whole is improved.

[0027] In the above scheme, the connecting assembly includes a limiting spring 23, both ends of the limiting spring 23 are connected with a jig support 22 and a pull plate 24 respectively, an insertion rod 25 is arranged on the inner side of the pull plate 24, and the insertion rod 25 penetrates through the side wall of the jig support 22 and is then inserted into a through hole in the side of a connecting plate 21. The limiting spring 23 provides a restoring force, the pull plate 24 is pulled to make the insertion rod 25 inserted into the through hole of the connecting plate 21, so that the jig support 22 and the connecting plate 21 are quickly locked; the insertion rod 25 can be pulled out by pulling the pull plate 24 outward, and the disassembly is completed.

[0028] According to the cooperation structure of the connecting assembly and the connecting plate 21, the jig support 22 can be quickly disassembled without tools, the problem of complicated disassembly during maintenance of the existing jig is solved, and the damaged parts such as the clamping plate 28 and the wear-resistant coating 29 can be quickly replaced.

[0029] In the above scheme, the top of the clamping plate 28 is provided with a positioning block 3, and the positioning block 3 is connected with the jig support 22 through a bolt assembly. The positioning block 3 is fixed on the jig support 22 through bolts, and can be easily disassembled.

[0030] In the above scheme, the jig support 22 is provided with a cylindrical permanent magnet 31 in the middle. The permanent magnet 31 is located at the center of the jig support 22 and can adsorb the center riveting point of the easy-to-open cover, and forms a double positioning mechanism of “central adsorption + edge clamping” with the V-shaped positioning groove 26 and the clamping plate 28 at the edge.

[0031] According to the cooperation structure of the permanent magnet 31 and the jig support 22, the positioning is assisted by magnetic force, the problem that the traditional single mechanical positioning is easily affected by vibration is solved, and the positioning accuracy and stability of the cover body in the high-speed machining process are significantly improved.

[0032] Working principle:

[0033] This positioning fixture for producing easy-open tinplate covers works by starting the motor 17 and driving the bidirectional lead screw 16 to rotate when different sizes of easy-open covers need to be accommodated. This drives two sliders 14 to slide synchronously towards or away from each other within the "T"-shaped groove 13 via the threaded hole 15, thereby adjusting the distance between the two support rods 2 and the fixture bracket 22. This process is automatically controlled by the production line control system and requires no manual intervention. When replacing the fixture bracket 22, pulling the pull plate 24 outward compresses the limit spring 23, and the insertion rod 25 is pulled out of the through hole in the connecting plate 21, allowing the old bracket to be removed. When installing a new bracket, inserting the connecting plate 21 into the connecting groove of the fixture bracket 22 causes the limit spring 23 to reset and push the insertion rod 25 to automatically lock, enabling tool-free and quick replacement. After the easy-open cover enters the fixture area, the V-shaped positioning grooves 26 of the fixture supports 22 on both sides initially align with the edge of the cover. The connecting spring 27 pushes the clamping plate 28 to clamp the cover with elastic force, compensating for dimensional deviations or deformations of the cover. At the same time, the central permanent magnet 31 attracts the central riveting point of the cover, forming a dual positioning of "edge elastic clamping + central magnetic attraction" to ensure precise alignment of the cover in the X and Y axis directions. The wear-resistant coating 29 on the inner side of the clamping plate 28 significantly improves wear resistance. The collection cover 18 below the slide 13 collects debris generated during the sliding process in real time, preventing debris from affecting the sliding accuracy of the slider 14 and ensuring long-term stable operation of the fixture.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for producing easy-open tinplate lids, comprising a base (1), characterized in that: The base (1) has a "T"-shaped groove (13) on its top. Two sliders (14) are movably engaged in the groove (13). A double-acting screw (16) is screwed into the threaded hole (15) on the side of the slider (14). A motor (17) is connected to the end of the double-acting screw (16). A support rod (2) is connected to the top of the slider (14). The connecting plate (21) at the top of the support rod (2) is inserted into the connecting groove at the bottom of the fixture bracket (22) and fixed by the connecting assembly. A V-shaped positioning groove (26) is provided on the inner side of the fixture bracket (22). A clamping plate (28) is connected to the V-shaped positioning groove (26) by a connecting spring (27). A wear-resistant coating (29) is provided on the inner side of the clamping plate (28).

2. The positioning fixture for producing easy-open tinplate lids according to claim 1, characterized in that: The base (1) is connected to the support foot (12) at its bottom via a support column (11).

3. The positioning fixture for producing easy-open tinplate lids according to claim 1, characterized in that: A collection cover (18) with a top opening is provided below the chute (13).

4. A positioning fixture for producing easy-open tinplate lids according to claim 1, characterized in that: The top of the slider (14) is provided with a connecting hole (19), and the bottom end of the support rod (2) is inserted into the connecting hole (19).

5. A positioning fixture for producing easy-open tinplate lids according to claim 1, characterized in that: The connecting assembly includes a limiting spring (23), the two ends of which are connected to the fixture bracket (22) and the pull plate (24) respectively. The pull plate (24) has an insert rod (25) inside, which passes through the side wall of the fixture bracket (22) and is inserted into the through hole on the side of the connecting plate (21).

6. A positioning fixture for producing easy-open tinplate lids according to claim 1, characterized in that: The clamping plate (28) is provided with a positioning block (3) on its top, and the positioning block (3) is connected to the fixture bracket (22) by a bolt assembly.

7. A positioning fixture for producing easy-open tinplate lids according to claim 1, characterized in that: A cylindrical permanent magnet (31) is provided in the middle of the fixture support (22).

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