Positioning and pressing tool

Abstract

The utility model relates to the field of handle manufacturing, in particular to a positioning and pressing tool which comprises a positioning plate and a pressing plate, the positioning plate is provided with a plurality of sets of limiting protruding strips in the first direction, and a first clamping groove is formed between every two adjacent sets of limiting protruding strips to restrain a long piece and a semicircular piece. The middle part of the limiting raised line is broken, and a plurality of broken parts form positioning grooves; the pressing plate is embedded in the positioning groove when being connected with the positioning plate in an abutting manner; the limiting protruding strips extend towards the two ends of the positioning plate in the first direction to form limiting protrusions, and a second clamping groove is formed between every two adjacent limiting protrusions to restrain a short piece. Through the arrangement of the positioning and pressing tool, limiting and positioning of long pieces, semicircular pieces and short pieces can be completed, and the positioning and pressing tool can also be matched with other equipment to directly complete dispensing, connecting and pressing of all parts on the tool. In the automatic operation, a plurality of production procedures such as positioning, pasting and pressing are connected through circulation of the tool, and the production cost is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of handle manufacturing technology, and in particular to a positioning and pressing tool. Background Technology

[0002] Paper handles, as a lifting aid specifically designed for items such as paper strips and packaging boxes, greatly enhance the portability and practicality of these items. For example... Figure 5 The paper handle shown is composed of a long piece, a semi-circular piece, and a short piece of paper. The long piece and the semi-circular piece are glued together and folded in opposite directions. The short piece is glued to the two folded edges for reinforcement.

[0003] However, the current paper handle manufacturing process relies heavily on manual labor, including gluing, pasting, and pressing, all of which require manual intervention. These processes are multiple discontinuous steps, leading to low production efficiency. Furthermore, manual operation can generate various problems. For example, inaccurate placement or insufficient adhesion between long, semi-circular, and short parts can result in air bubbles on the adhesive surface, affecting the subsequent installation, use, and durability of the paper handle.

[0004] Furthermore, in existing automated production processes, steps such as dispensing and pasting are performed using separate equipment. Each step requires transfer and handling, resulting in paper handle manufacturing plants often having large floor areas to accommodate multiple machines and extensive manual labor. This not only increases operating costs but also limits further expansion of production scale. Each transfer necessitates repositioning and reinstalling the paper handle, significantly impacting production efficiency. Simultaneously, manual operation leads to substantial material waste, and the cumbersome and inefficient material transfer process further increases production costs.

[0005] Currently, there is no universal tooling device applicable to all processes in the production of paper handles, including dispensing, assembly, and pressing, and suitable for the flow of conveyor devices such as belts or ring gauges to connect various production processes. Therefore, how to design a universal positioning and pressing tooling that can be applied to automated production and can connect processes such as dispensing, connecting, and pressing through the flow of the positioning and pressing tooling to effectively reduce the production cost of paper handles and improve production efficiency has become a key problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0006] The purpose of this utility model is to provide a positioning and pressing tooling that is used in processes such as feeding, gluing, and bonding. During the process, the tooling is used to feed and bond the various parts of the paper handle, thereby solving the problems of high defect rate and low production efficiency in the existing paper handle manufacturing technology.

[0007] The technical solution of this utility model is: a positioning and pressing tooling, including a positioning plate and a pressing plate. The positioning plate is provided with multiple sets of limiting protrusions along a first direction. A first groove is formed between two adjacent sets of the limiting protrusions to constrain long pieces and semi-circular pieces. The limiting protrusions are disconnected at the center, and multiple disconnections form positioning grooves. When the pressing plate abuts against the positioning plate, it is embedded in the positioning groove.

[0008] The limiting protrusion extends outward along the first direction to both sides of the positioning plate to form a limiting protrusion, and a second groove is formed between two adjacent limiting protrusions to constrain the short piece.

[0009] Preferably, the positioning plate is rotatably connected to brackets on both sides in the second direction, and the ends of the two brackets away from the positioning plate are fixedly connected to the base plate, and the positioning plate is positioned above the base plate.

[0010] Preferably, the lower end of the positioning plate is fixedly connected to a rotating shaft with the length direction in the second direction, and both ends of the rotating shaft extend and are rotatably connected to the two brackets respectively.

[0011] Preferably, a flange is fixedly sleeved on the rotating shaft, and a plurality of pin holes are arranged along the circumference of the flange;

[0012] A plug-in pin is provided through the bracket, and the plug-in pin is connected to the pin hole.

[0013] Preferably, a limiting plate is connected to the bottom of the positioning plate, and the limiting plate extends outward in a first direction to at least partially cover the limiting protrusion and the second slot to constrain the short piece.

[0014] Preferably, an overflow groove is provided between the limiting protrusion and the limiting protrusion, and the bottom surface of the overflow groove is lower than the bottom surface of the first card slot.

[0015] Preferably, the pressure plate is parallel to each other on both sides of the first direction and is also parallel to the positioning plate on both sides of the first direction to constrain the semi-circular part.

[0016] Preferably, in the second direction, one end of the pressure plate is rotatably connected to the positioning plate, and the other end is snap-fitted to the positioning plate.

[0017] Preferably, a handle is connected to the end of the pressure plate that is rotatably connected to the positioning plate.

[0018] Preferably, the pressure plate is provided with a plurality of pressing units, which press the long piece against the bottom surface of the positioning plate.

[0019] Compared with the prior art, the advantages of this utility model are:

[0020] (1) By setting up positioning and pressing fixtures, the positioning and limiting of long, semi-circular and short parts can be completed. It can also be used in conjunction with other equipment to directly complete the dispensing, connection and pressing of each part on the fixture. In automated operation, the positioning, pasting and pressing and other production processes are connected by the flow of the fixture to form a series production line, avoiding the manual input and efficiency loss of material transfer, and also avoiding the waste of materials in manual production, which greatly reduces the production cost. In addition, compared with the production of separate processes, it also avoids the deviation of bonding accuracy caused by multiple installation and positioning.

[0021] (2) During production, the long part is limited to the first slot and is pressed and fixed by the pressure plate; the semi-circular part is limited by the first slot and the side of the pressure plate to ensure the accuracy of the pasting position with the long part; the short part is limited by the second slot and the limiting plate to ensure the accuracy of the connection position with the long part and the semi-circular part; by rotating the positioning plate and limiting it by the insertion pin, the positioning plate can be rotated to the designated position to facilitate the installation and pressing of the parts. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0023] Figure 1 This is a schematic diagram of the positioning and pressing tool described in this utility model;

[0024] Figure 2 This is a schematic diagram of the positioning and pressing tool described in this utility model when short parts are being fitted together;

[0025] Figure 3 This is a schematic diagram of the positioning plate described in this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the pressure plate described in this utility model;

[0027] Figure 5 This is a schematic diagram of the paper handle of this utility model.

[0028] Among them: positioning plate 1, limiting protrusion 11, first slot 11a, positioning slot 11b, buckle 12, limiting protrusion 13, second slot 13a, limiting plate 14, overflow groove 15, rotating shaft 16, flange 17, pin hole 171.

[0029] Pressure plate 2, clamping unit 21, handle 22;

[0030] Base plate 3;

[0031] Bracket 4;

[0032] Plug-in pin 5;

[0033] Paper handle 6, long piece 61, semi-circular piece 62, short piece 63;

[0034] First direction S1, second direction S2. Detailed Implementation

[0035] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0036] The following detailed description, in conjunction with specific embodiments, further illustrates the content of this utility model:

[0037] like Figures 1-4 As shown, this utility model is applied to the production of paper handles, such as... Figure 5 As shown, the paper handle 6 consists of a long piece 61, two semicircular pieces 62, and two short pieces 63, wherein the long piece 61 and the semicircular pieces 62 have pre-set creases. Of course, in other applications, the handle is not limited to paper; it can also be made of non-woven fabric, plastic, or formed by bonding different materials together.

[0038] The long piece 61 is placed in the first slot 11a; the pressure plate 2 is connected to the positioning plate 1 by rotating the handle 22, and at this time, the clamping unit 21 presses against the long piece 61 to complete the positioning of the long piece 61. At the same time, the crease on the long piece 61 is located at the edge of the positioning plate 1 and folds downward into the second slot 13a, and after folding, the end of the long piece 61 slightly touches the limiting plate 14; glue is applied to the long piece 61, and the glue application point of the long piece 61 is on the surface of the long piece 61 at the upper end of the positioning plate 1. In some cases, depending on the actual production situation, adhesive can be applied to the semi-circular part 62 to complete its bonding with the long part 61. The semi-circular part 62 is then placed in the first slot 11a, with one end of the semi-circular part 62 abutting the side of the pressure plate 2 and bonding with the long part 61. At this time, the crease on the semi-circular part 62 is located at the edge of the positioning plate 1 and folded upwards. Adhesive is applied to the short part 63, and it is placed in the second slot 13a, with one end of the short part 63 abutting and bonding with the fold of the long part 61 and the semi-circular part 62. After bonding the semi-circular part 62 and the short part 63, the bonding area needs to be pressed firmly to remove air bubbles and ensure bonding strength. The structure related to performing the pressing action is not part of this utility model and will not be described in detail in this embodiment. Furthermore, for ease of explanation, as shown in the figure in this embodiment, on the plane containing the surface of the positioning plate 1, the length direction of the limiting protrusion 11 is taken as the first direction S1, and the direction perpendicular to the limiting protrusion 11 is taken as the second direction S2; in the arrangement of the base plate 3 and the positioning plate 1, the base plate 3 is at the bottom, and the positioning plate 1 is at the top. In this embodiment, multiple first slots 11a can be provided on the positioning plate 1 to simultaneously attach multiple paper handles, thereby improving production efficiency.

[0039] Specifically:

[0040] A positioning and pressing fixture includes a positioning plate 1 and a pressing plate 2. The positioning plate 1 is provided with multiple sets of limiting protrusions 11 along a first direction S1. A first groove 11a is formed between two adjacent sets of limiting protrusions 11 to constrain a long piece 61 and a semi-circular piece 62. The limiting protrusions 11 are broken at the center in the first direction S1, and multiple breaks form positioning grooves 11b. When the pressing plate 2 abuts against the positioning plate 1, it is embedded in the positioning groove 11b. In the second direction S2, one end of the pressing plate 2 is rotatably connected to the positioning plate 1, and the other end is connected to the positioning plate 1 via a buckle 12.

[0041] In this embodiment, the widths of the long piece 61, the semi-circular piece 62, and the short piece 63 are the same, and are also the same as the widths of the first slot 11a and the second slot 13a. When the long piece 61 is placed in the first slot 11a, it clamps the first slot 11a in the width direction; in the length direction, it can be positioned by the creases at both ends, that is, the creases at both ends coincide with the edge of the positioning plate 1 in the first direction S1, and the end coincides with the edge of the lower end face of the positioning plate 1. The positioning process is simple and convenient to operate.

[0042] After the long piece 61 is placed, the pressure plate 2 is rotated into the positioning groove 11b and is fastened to the positioning plate 1 by the buckle 12. In order to facilitate the placement of the long piece 61 and the removal of the finished product, a handle 22 is connected to the end of the pressure plate 2 away from its rotatable connection with the positioning plate 1.

[0043] Furthermore, multiple first slots 11a are typically provided on a positioning plate 1 to simultaneously produce multiple paper handles 6. Since the thickness of the long piece 61 is relatively small, it may not be possible to effectively press multiple long pieces 61 simultaneously when the pressure plate 2 presses against them. Therefore, multiple pressing units 21 are provided on the pressure plate 2, each or more pressing units 21 corresponding to one long piece 61. The pressing unit 21 protrudes from the lower surface of the pressure plate 2, so that when the pressure plate 2 rotates to the positioning slot 11b, the pressing unit 21 presses against the bottom surface of the positioning plate 1 to press the long piece 61. The pressing unit 21 has various structures, including embedding a ball or spring sheet at the bottom of the pressure plate 2. It needs to be elastic so that the pressing unit 21 can press against the long piece 61, but avoids excessive force that could damage the long piece 61. The buckle 12 needs to be able to be pressed and locked, and pulled open. Such structures are quite common and will not be described in detail in this embodiment.

[0044] The pressure plate 2 is parallel to each other on both sides of the first direction S1 and parallel to both sides of the positioning plate 1 in the first direction S1 to constrain the semi-circular part 62. The positioning groove 11b is formed such that the lengths of the limiting protrusions on both sides of the positioning groove 11b in the first direction S1 are consistent. The limiting protrusions 11 extend outward along the first direction S1 toward the outer sides of both sides of the positioning plate 1 to form limiting protrusions 13, that is, the limiting protrusions 13 protrude outward from the outer sides of the positioning plate 13 in the first direction S1. A second slot 13a is formed between two adjacent limiting protrusions 13 to constrain the short part 63. The bottom of the positioning plate 1 is connected to a limiting plate 14, which extends outward along the first direction S1 to at least partially cover the limiting protrusions 13 and the second slot 13a to constrain the short part 63.

[0045] In this embodiment, the length direction of the second slot 13a is perpendicular to the length direction of the first slot 11a. When the long piece 61 is placed in the first slot 11a, its end is folded into the second slot 13a. When the semi-circular piece 62 is fitted, it is placed in the first slot 11a, with its width direction just fitting into the first slot 11a, and one end in the length direction abutting against the side of the pressure plate 2 to achieve positioning of the semi-circular piece 62. At this time, the crease of the semi-circular piece coincides with the edge of the positioning plate 1, and the folding direction is upward, that is, opposite to the folding direction of the long piece.

[0046] After the semi-circular part 62 is assembled, the short part 63 is assembled. When the short part 63 is fitted, it is placed in the second slot 13a, with its width direction embedded in the second slot 13a and one end in the length direction abutting against the limiting plate 14. At this time, both ends of the short part 63 coincide with the ends of the long part 61 folded downward and the ends of the semi-circular part 62 folded upward, respectively.

[0047] It should be noted that before assembling the semi-circular part 62 and the short part 63, adhesive needs to be applied to both parts. After bonding, the bonding surfaces need to be pressed together to increase bonding strength and remove air bubbles.

[0048] In addition, during the pressing process, some adhesive may overflow. To avoid a large amount of adhesive remaining in the first slot 11a and the second slot 13a during continuous production, an overflow groove 15 is provided between the limiting protrusion 11 and the limiting protrusion 13. The bottom surface of the overflow groove 15 is lower than the bottom surface of the first slot 11a, so that most of the overflowing adhesive flows into the overflow groove 15 and can be cleaned periodically.

[0049] Furthermore, for ease of assembly, a rotating shaft 16 with its length direction in the second direction S2 is fixedly connected to the lower end of the positioning plate 1. Both ends of the rotating shaft 16 extend and are respectively connected to two symmetrically arranged brackets 4, and the rotating shaft 16 and the brackets 4 are rotatably connected. The ends of the two brackets 4 away from the positioning plate 1 are fixedly connected to the base plate 3, and the positioning plate 1 is positioned above the base plate 3. In this embodiment, the rotating shaft 16 is connected at the center of the bottom of the positioning plate 1, that is, when the positioning plate 1 rotates with the rotating shaft 16, the planes containing the two sides of the positioning plate 1 in the first direction S1 are at the same height.

[0050] A flange 17 is fixedly sleeved on the rotating shaft 16, and multiple pin holes 171 are arranged circumferentially on the flange 17. A plug pin 5 is inserted through the bracket 4 and connects to the pin holes 171. At least three pin holes 171 are provided and arranged circumferentially on the flange 17, so that when the positioning plate 1 is horizontal, rotated 90° in the forward or reverse direction, the plug pin 5 can have a corresponding pin hole 171 to fix the positioning plate 1.

[0051] In this embodiment, during automated production, the base plate 3 can be mounted on a transmission device to facilitate the transfer of the positioning and pressing fixture at various workstations. When assembling and pressing the long piece 61 and the semi-circular piece 62, the positioning plate 1 can be set to a horizontal position and fixed by connecting the insert pin 5 to the pin hole 171. When assembling and pressing the short piece 63, the insert pin 5 can be pulled out and the positioning plate 1 rotated 90°, then fixed by connecting the insert pin 5 to the pin hole 171, so that the mounting point of the short piece 63 faces upwards for easy assembly. There are two short pieces 63, each mounted on one side of the long piece 61. The positioning plate 1 needs to be rotated on both sides to sequentially rotate the mounting points of the short pieces 63 on both sides to face upwards.

[0052] In this embodiment, the assembly process of the pressing and positioning fixture for the paper handle 6 is as follows:

[0053] The positioning and pressing fixture is fixedly connected to the conveyor belt or ring gauge line through the base plate 3, and can be transferred through the conveyor device to the feeding, gluing, pasting and pressing processes.

[0054] First, the positioning plate 1 is fixed in a horizontal position by connecting the plug pin 5 and the pin hole 171. The pressure plate 2 is opened by the handle 22, and the long piece 61 is placed in the first slot 11a. When placing the long piece 61, it can be positioned by aligning the creases at both ends of the long piece 61 with the edge of the positioning plate 1, and when the ends of the long piece 61 are folded, the ends just touch the limiting plate 14. After the long piece 61 is placed, the pressure plate 2 is rotated by the handle 22, so that the pressure rod is embedded in the positioning groove 11b, and the pressure plate 2 is fixedly connected to the positioning plate 1 by the buckle 12. At this time, the pressing unit 21 on the pressure plate 2 touches the long piece 61 to the bottom of the positioning plate 1, fixing the long piece 61.

[0055] Afterwards, the positioning and pressing fixture is transferred to the next process, where the long part 61 is glued and the semi-circular part 62 is attached and assembled. When attaching the semi-circular part 62, it is placed in the first slot 11a, with its end abutting against the side of the pressure plate 2 to complete the positioning. At this time, the crease of the semi-circular part 62 coincides with the edge of the positioning plate 1 and is folded upwards. After attachment, the semi-circular part 62 is transferred with the positioning and pressing fixture and pressed to remove air bubbles and ensure a tight fit.

[0056] Afterwards, the positioning and pressing fixture continues to circulate. Through the connection of the insertion pin 5 and the pin hole 171, the positioning plate 1 is rotated 90° and fixed, so that the folded side of the long piece 61 and the semi-circular piece 62 faces upwards, facilitating the fitting of the short piece 63. When the short piece 63 is fitted, it is inserted along the second slot 13a, with one end abutting against the limiting plate 14 for positioning. After the short piece 63 is fitted, it flows to the pressing station for pressing to remove air bubbles and secure the fit. Then, through the cooperation of the insertion pin and the pin hole 171, the positioning plate 1 is rotated 180 degrees and fixed, so that the other side of the long piece 61 faces upwards, facilitating the fitting of the short piece 63 on the opposite side.

[0057] After the two short parts 63 are pressed together, the positioning plate 1 is rotated 90 degrees in the opposite direction by the cooperation of the insertion pin 5; the paper handle 6 is taken out by rotating the pressure plate 2 by the handle 22, while the positioning and pressing fixture continues to circulate and repeat the operation.

[0058] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and therefore, all changes falling within the meaning and scope of the equivalents of the claims are intended to be included within this utility model.

Claims

1. A positioning and pressing tool, characterized by: The positioning plate is provided with a plurality of limiting convex strips in the first direction, and a first clamping groove is formed between two adjacent limiting convex strips to constrain the long piece and the semicircular piece; the limiting convex strips are centrally provided with a break, and a plurality of breaks form a positioning groove; when the pressing plate is in contact with the positioning plate, the pressing plate is embedded in the positioning groove; The limiting convex strips extend outward from the two side edges of the positioning plate in the first direction to form limiting convexities, and a second clamping groove is formed between two adjacent limiting convexities to constrain the short piece.

2. The positioning and pressing tooling apparatus of claim 1, wherein: The positioning plate is rotatably connected to two brackets on both sides in the second direction, and the two brackets are fixedly connected to the bottom plate at their ends away from the positioning plate.

3. The positioning and pressing tool according to claim 2, characterized in that: The lower end of the positioning plate is fixedly connected to a rotating shaft with a length direction being the second direction, and both ends of the rotating shaft are rotatably connected to the two brackets.

4. The positioning and pressing tooling of claim 3, wherein: A flange is fixedly sleeved on the rotating shaft, and a plurality of pin holes are arranged on the circumference of the flange. A plug pin is penetratingly arranged on the bracket, and the plug pin is connected to the pin hole.

5. The positioning and pressing tool according to claim 1, wherein: The bottom of the positioning plate is connected to a limiting plate, which extends outward from the positioning plate in the first direction to at least partially cover the limiting convexities and the second clamping groove to constrain the short piece.

6. The positioning and pressing tool according to claim 1, wherein: An overflow groove is arranged between the limiting convex strips and the limiting convexities, and the bottom surface of the overflow groove is lower than the bottom surface of the first clamping groove.

7. The positioning and pressing tool according to claim 1, wherein: The two sides of the pressing plate in the first direction are parallel to each other and parallel to the two sides of the positioning plate in the first direction to constrain the semicircular piece.

8. The positioning and pressing tool according to claim 1, characterized in that: In the second direction, one end of the pressing plate is rotatably connected to the positioning plate, and the other end is buckled to the positioning plate.

9. The positioning and pressing tool according to claim 8, characterized in that: The end of the pressing plate away from the rotatable connection with the positioning plate is connected to a handle.

10. The positioning and pressing tool according to claim 1, characterized in that: A plurality of pressing units are arranged on the pressing plate, and the pressing units press the long piece against the bottom surface of the positioning plate.

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