CN219484916U - Tapping and lead mounting and clamping tool for manufacturing sorting slide block electric brushes - Google Patents

Abstract

The utility model discloses an opening and lead mounting and clamping tool for manufacturing a sorting slide block electric brush, which comprises the following steps: the first valve tooling and the second valve tooling which is in mirror image with the first valve tooling structure and is used for being in butt joint with the first valve tooling to form a complete tooling; one side of each tool is provided with a limit groove for arranging a lead wire installation part of the brush body of the sorting slide block brush after the milling groove treatment; a placing groove for placing the brush body product using part of the sorting slide block brush processed by the milling groove is formed in the other side of each tool; a pair of first through holes and a pair of second through holes are formed in the part, located between the lead wire installation part limiting groove and the using part arranging groove, of each tool, and the pair of first through holes are located between the pair of second through holes. The tool disclosed by the utility model is simple in structure and convenient to use, and can clamp the semi-finished product of the brush body of the sorting slide block brush after the milling groove treatment so as to open holes and mount lead wires for processing, thereby ensuring that the product meets the injection molding quality requirement.

Description

Tapping and lead mounting and clamping tool for manufacturing sorting slide block electric brushes

Technical Field

The utility model relates to the technical field of cargo sorting machines in the logistics industry, in particular to a fixture for drilling holes and installing and clamping leads for sorting slide brushes in cargo sorting equipment.

Background

The logistics sorting is an important work in the logistics industry, the material sorting is mainly manual sorting in the initial stage of the logistics industry, the sorting speed is low, the error rate is high, and the working intensity of staff is high. Along with the technological progress, people's living standard improves, and logistics industry obtains very big development, and the goods quantity that needs to sort every day is huge, and it is unrealistic to rely on the manpower to select separately. The artificial intelligent sorting equipment is widely applied in the logistics industry, and a logistics sorting slide block electric brush matched with the intelligent sorting machine also occurs.

The logistics sorting slide block electric brush matched with the intelligent sorting machine is a special-shaped product, the dimension difference in the same direction is extremely large, the maximum difference ratio can even exceed 5:1, and the area ratio of a distribution area with the thickness ratio of 3:1 can be close to 1:1.

At present, sorting slide brushes used by automatic sorting equipment for cargoes of various domestic logistics companies are imported abroad. The reasons why domestic enterprises do not have the knowledge of developing and sorting slide brushes are as follows: firstly, the sorting slide block electric brush has limited use amount in the whole logistics industry; secondly, the product has special structure, and the manufacturing difficulty is great by adopting the domestic general manufacturing process technology of the carbon sliding plate or the electric brush for the motor; thirdly, the technical investment for developing foreign manufacturing sorting slide brushes is relatively large, and the recovery period is long. When the foreign electric brush manufacturing enterprises manufacture the products, the products are manufactured by adopting a wet-process compression molding process manufacturing method, a set of special manufacturing equipment is needed, the manufacturing equipment cost is high, the electric brush manufacturing cost is high, and the transportation cost is added, so that the domestic and foreign imported and foreign sorting slide block electric brush cost is greatly increased.

Therefore, how to manufacture the sorting slide brush with economy, practicability and excellent performance is an urgent problem to be solved by domestic brush manufacturing enterprises and research personnel in the industry.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a punching and lead wire installation clamping tool for manufacturing a sorting slide block electric brush, which is simple in structure and convenient to use, and can clamp a semi-finished product of the sorting slide block electric brush body which is manufactured by adopting a compression molding manufacturing method and is processed by milling grooves, so that punching and lead wire installation operations are carried out on the semi-finished product, and the product is ensured to meet the injection molding quality requirement.

In order to achieve the above object of the present utility model, the present utility model provides an opening and lead mounting and clamping tool for manufacturing a sorting slider brush, comprising: the first valve tooling and the second valve tooling which is in mirror image with the first valve tooling and is used for being in butt joint with the first valve tooling to form a complete tooling; one side of each tool is provided with a limit groove for arranging a lead wire installation part of the brush body of the sorting slide block brush after the milling groove treatment; a placing groove for placing the brush body product using part of the sorting slide block brush processed by the milling groove is formed in the other side of each tool; and a pair of first through holes and a pair of second through holes are formed in the part of each tool, which is positioned between the lead wire installation part limiting groove and the using part arranging groove.

Preferably, the diameter of the first through hole is larger than the diameter of the second through hole.

Preferably, the distance between the first through hole and the lead mounting part limiting groove on each tooling is smaller than the distance between the second through hole and the lead mounting part limiting groove.

Preferably, the depth of the limit groove of the lead mounting part on each piece of tooling is larger than that of the placement groove of the using part.

Compared with the prior art, the tapping and lead mounting clamping tool for manufacturing the brush body of the sorting slide block brush has the following advantages:

the fixture for installing and clamping the holes and the leads for manufacturing the brush bodies of the sorting slide brushes has the advantages of simple structure, convenient use and low manufacturing cost, and can clamp semi-finished products of the brush bodies of the sorting slide brushes, which are manufactured by adopting a compression molding manufacturing method and are processed by milling grooves, so that the semi-finished products are conveniently drilled and the leads are installed, the products are ensured to meet the injection molding quality requirement, and domestic brush manufacturing enterprises can also produce the sorting slide brushes at low cost.

The present utility model will be described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of a singulated slider brush blank made by a compression molding process without grinding; FIG. 2 is a left side view of the sort slider brush body blank of FIG. 1;

FIG. 3 is a top view of the sort slider brush body blank of FIG. 1;

FIG. 4 is a schematic view of a brush body semi-finished product of a sorting slide brush after a milling groove treatment;

FIG. 5 is a semi-sectional view of FIG. 4;

FIG. 6 is a top view of FIG. 4;

FIG. 7 is a schematic diagram of a semi-finished product of a brush body of a sorting slide block brush, which is clamped by a hole opening and lead mounting clamping tool and is processed by milling grooves;

FIG. 8 is a left side view of the sorting slider brush body after the milling groove treatment clamped by the tapping and lead installation clamping tool;

FIG. 9 is a schematic diagram of a wire mounting hole opening performed by the wire mounting clamping fixture clamping the sorting slider brush body;

FIG. 10 is a schematic structural view of a first valve tooling of the present utility model;

FIG. 11 is a cross-sectional view A-A of FIG. 10;

FIG. 12 is a schematic structural view of a second valve tooling of the present utility model;

FIG. 13 is a B-B cross-sectional view of FIG. 12;

FIG. 14 is a schematic view of the structure of a brush body of a sorting slide brush after opening;

fig. 15 is a left side view of fig. 14;

FIG. 16 is a top view of FIG. 14;

FIG. 17 is a schematic view of the brush body of the sorting slider brush after mounting the leads and accessories;

fig. 18 is a left side view of fig. 17;

fig. 19 is a top view of fig. 17.

Detailed Description

In order to perform perforating and lead wire mounting operation on a semi-finished product of the brush body of the sorting slide block brush, which is manufactured under the condition of dry normal-temperature compression molding and is processed by milling grooves, so as to ensure that the product meets the injection molding quality requirement, the perforating and lead wire mounting and clamping tool for manufacturing the brush body of the sorting slide block brush comprises the following steps: the first valve tooling is in structural mirror image with the first valve tooling and is used for being in butt joint with the first valve tooling to form a complete tooling; one side of each tool is provided with a limit groove for arranging a lead wire installation part of the brush body of the sorting slide block brush after the milling groove treatment; a placing groove for placing a product using part of the brush body of the sorting slide block brush processed by the milling groove is formed in the other side of each tool; a pair of first through holes and a pair of second through holes are formed in the part, located between the lead wire installation part limiting groove and the using part arranging groove, of each tool.

The tapping and lead mounting fixture is used in a method for manufacturing the brush body of the sorting slide block electric brush under the dry-method normal-temperature compression molding condition. The structure of the brush body blank of the sorting slide block brush manufactured under the dry normal temperature compression molding condition is shown in fig. 1-3, which is a special-shaped product of an elongated strip in the length direction (the length direction refers to the horizontal direction in fig. 3), the dimension difference in the molding pressure direction (the direction shown by the arrow in fig. 3, namely along the width direction of the brush blank) is extremely large (see fig. 2 and 3, the dimension ratio can exceed 5:1), and the brush body blank comprises: the electric brush comprises a lead mounting part 11, shoulders 12, brush product using parts 13, a connecting part 15, wherein the lead mounting part 11 is positioned above and used for later mounting of components such as leads, the shoulders 12 are positioned on two sides of the lead mounting part, the brush product using part 13 is positioned below (a service life line for product use is arranged, namely the service life line 14 of the product, a three-angle included angle alpha is arranged on the lower part of the product using part), the connecting part 15 is used for connecting the lead mounting part 11, the two shoulders 12 and the product using part 13 together, and one ends of the lead mounting part 11 and the two shoulders 12 close to the connecting part 15 are arranged in an upward protruding mode. Wherein, the part below the product life line 14 is a non-injection molding area, the part above the product life line 14 is an injection molding area, the lead mounting part 11 and the two shoulders 12 form an upper positioning part, and the product using part 13 and the connecting part 15 form a lower positioning part.

After a sorting sliding block electric brush body blank is manufactured under the condition of dry normal temperature compression molding, grinding equipment is needed to grind the blank, the thickness dimension of the electric brush body is ensured to be in a range meeting the requirement, the parallelism of two sides of the electric brush meets the requirement, then, a milling groove clamping device is used for clamping and milling grooves twice on a sorting sliding block electric brush body semi-finished product after grinding, and the electric brush body semi-finished product with grooves on two sides of a connecting part shown in fig. 4-6 is obtained after the processing of a previous grooving process, and comprises: the post-milling cutter comprises a post-milling cutter lead mounting part 31, two post-milling cutter shoulder parts 32, a post-milling cutter connecting part groove 35, a post-milling cutter product using part 33 and a post-milling cutter product service life line 34.

The hole forming and lead wire installing clamping tool shown in fig. 7-13 is used for clamping the brush semi-finished product 3 with the groove after the groove milling treatment, so that the required injection molding fixing holes and injection molding positioning holes are drilled in the brush semi-finished product 3 with the groove, and the lead wires are installed (shown in fig. 14-16).

As can be seen from fig. 7 to 13, the hole opening and wire mounting fixture 500 of the present utility model is formed by two-lobe fixtures, namely, a first lobe fixture 510 and a second lobe fixture 520, and the structures of the two lobe fixtures are completely mirror images of each other; can be butted to form a complete tool, and clamp the brush body semi-finished product 3 with the groove between the complete tool and the tool.

As shown in fig. 10 and 11, the first lobe tooling 510 is in a strip shape, a limit groove a511 for accommodating a wire mounting portion of the brush body of the sorting slider brush after the milling groove treatment is formed on one side of the upper surface of the first lobe tooling (i.e., the upper side of the tooling in fig. 10) along the height direction of the first lobe tooling (the height direction is along the vertical direction as shown in fig. 10), a placement groove a514 for accommodating a use portion of the brush body of the sorting slider brush after the milling groove treatment is formed on the other side of the upper surface of the first lobe tooling (i.e., the lower side of the tooling in fig. 10), a pair of first through holes a512 and a pair of second through holes a513 are formed on the portion, located between the wire mounting portion limit groove and the use portion placement groove, of the first lobe tooling, and the pair of first through holes are located between the pair of second through holes.

The diameter of the first through hole is larger than that of the second through hole, when the finished product of the electric brush body is subjected to injection molding, the first through hole is used as an injection molding fixing hole for fixing the finished product of the electric brush, and the second through hole is used as a positioning hole for positioning the electric brush body in an injection molding die cavity. When designing, the distance along the height direction between the first through hole and the lead installation part limiting groove on the tool is smaller than the distance along the height direction between the second through hole and the lead installation part limiting groove.

The depth of the limit groove of the lead wire installation part (the depth is the direction along the width of the tool, such as the horizontal direction in fig. 11 is the width direction) arranged on the first valve tool is larger than the depth of the installation groove of the use part, and in order to match the shape of the installation groove of the use part with the shape of the use part of the brush body of the brush after the milling groove treatment, the tail end of the installation groove of the use part of the tool has the same inclination as the electric brush (such as shown in fig. 11).

The second valve tooling adopts the structure shown in fig. 12 and 13, and the second valve tooling is mirror-imaged with the structure of the first valve tooling, namely, the second valve tooling 520 is also in a strip shape, a limit groove B521 for accommodating the wire mounting part of the sorting slider brush body after the milling groove treatment is formed on one side of the upper surface of the second valve tooling (namely, the lower side of the tooling in fig. 12), a mounting groove B524 for accommodating the wire mounting part of the sorting slider brush body after the milling groove treatment is formed on the other side of the upper surface of the second valve tooling (namely, the upper side of the tooling in fig. 12), a pair of first through holes B522 and a pair of second through holes B523 are formed at the part, which is positioned between the wire mounting part limit groove and the mounting groove of the using part, of the second valve tooling, and the pair of first through holes are positioned between the pair of second through holes.

The distance between the first through hole on the second valve tooling and the lead installation part limiting groove along the height direction is smaller than the distance between the second through hole and the lead installation part limiting groove along the height direction. The depth of the lead wire installation part limiting groove (the depth is the direction along the width of the half tool, the horizontal direction is the width direction in fig. 13) arranged on the second flap tool is larger than the depth of the using part placing groove, and the tail end of the using part placing groove has the same inclination as that of the electric brush (as shown in fig. 13).

The first through holes corresponding to the positions form injection molding fixing holes, and the second through holes corresponding to the positions form injection molding positioning holes. In addition, the positions and the sizes of the using part placement groove and the lead wire installation part limit groove on the second valve tool and the first valve tool are respectively corresponding, so that the electric brush body can be clamped between the two valve tools, two sides of the installation part of the electric brush body are respectively correspondingly placed in the lead wire installation part limit groove of the two valve tools, and the product using parts are respectively correspondingly placed in the using part placement groove of the two valve tools. A pair of injection molding fixing holes and a pair of injection molding positioning holes are respectively drilled on the brush body of the electric brush clamped by the tool in a mode that the drilling tool passes through the through hole corresponding to the position. Wherein, the fixed orifices of moulding plastics and the locating hole of moulding plastics are all located the connecting portion of the brush body that need carry out the processing of moulding plastics.

When the tool is manufactured, the tool is manufactured according to the special structural characteristics of the electric brush semi-finished product after the milling groove treatment, and the flow is as follows:

processing a workpiece for manufacturing the tool into a cuboid with a given size (the size is reasonably determined according to the size of a semi-finished product of the electric brush);

according to the preset position and size to be drilled, drilling and milling the side blind holes (namely the limit grooves of the lead mounting part) on the cuboid by using a milling cutter or electrode pulse waves along the thickness direction (namely the width direction) of the cuboid, and machining large-surface four holes (namely a pair of injection molding fixing holes and a pair of injection molding locating holes) by using a drilling cutter to obtain a drilling tool meeting the requirements;

then, a brush body shape (without a round table) is cut out in a linear cutting mode along the middle part of the thickness direction of the perforating tool, the brush body is removed to obtain a first valve tool and a second valve tool with two valve structures being mirror images, and the joint surface area of the product is finely ground, so that tool manufacturing can be completed.

The process of punching the brush body after the milling groove treatment by adopting the punching and lead installation clamping tool disclosed by the utility model is described below:

and embedding the electric brush body after the groove milling treatment in the first valve tool, closing the second valve tool (namely, buckling the second valve tool above the electric brush body), and completing the clamping of the product. After the clamping is completed, the tool with the electric brush is placed at a fixed position of a drilling machine or a milling machine, and a corresponding drilling tool is selected according to the position and the aperture size of each hole determined on the tool, so that an electric brush body positioned in the tool is processed. A lead mounting hole 48 is formed in the center of the lead mounting portion 41 of the brush, and an injection fixing hole 47 and an injection positioning hole 46 are formed in the connecting portion 45, that is, the perforated brush body 4 as shown in fig. 14 to 16 is formed after the processing, which has the mounting portion 41, the two shoulders 42, the connecting portion 45, the product use portion 43, the product life line 44 provided on the product use portion, the injection fixing hole 47 and the injection positioning hole 46 provided in the connecting portion, and the lead mounting hole 48 provided in the lead mounting portion.

When the lead wire installation part lead wire mounting hole is machined, a limit space is required to be fixed on the drilling machine, a tool for clamping the brush body of the electric brush to be machined is placed in the limit tool of the drilling machine to be started for drilling, a proper drilling tool (a drilling tool special for the electric brush industry) is selected according to drawing requirements, and the drilling depth is limited by the drilling machine.

After the holes are formed on the semi-finished product of the brush body of the electric brush, the lead is installed according to the method of filling copper lead by the electric brush: and (3) inserting a annealed copper wire (namely, a copper lead 5) into the bottom of a lead mounting hole of the electric brush, filling copper powder around the copper lead 5 and between the periphery of the lead mounting hole and the inner wall of the lead mounting hole, and tamping to ensure that the pulling force of the copper lead 5 pulled out of the lead mounting hole is not less than the technical requirement of a product (such as pulling force can be more than or equal to 80N). And then, reducing the excessive length of copper wires according to the length requirement of the copper wires of the product, and completing the wire installation operation. Wherein, in order to prevent the copper powder used for landfill from dropping, a small amount of resin is filled on the filled copper powder by a syringe to seal the orifice of the lead mounting hole.

When the copper lead is installed, the clamping tool for clamping the brush body with the perforated brush can be installed on a special line filling machine, or a flat pliers can be used for clamping and then manually filling copper powder to tamp the line.

After the copper lead is installed, the product also needs to be subjected to the following procedures to obtain a qualified finished electric brush:

and (3) installing a protection tube: a rubber tube for protecting the lead wire is penetrated outside the copper lead wire and used as an insulation protection tube 6;

mounting terminals: the terminal 7 and the copper lead ends are heat-welded together using a high-frequency current by a welding process to form a brush finished product as shown in fig. 17 to 19.

The terminal is connected with the copper lead wire by adopting a welding process, so that the problems that the connecting resistance at the terminal is large, the copper lead wire is easy to be broken by pressing and the pulling force of the terminal is small are solved, the connecting resistance between the terminal and the lead wire of the brush product formed by the application is low (about 10 percent of the connecting resistance of the riveting process), the product is conductive, the terminal electric loss is reduced, and the connecting and pulling force between the terminal and the lead wire is more than 3 times greater than the pulling force of the riveting process.

After forming the finished brush product as shown in fig. 17-19; injection molding is performed on the brush connection part and above by adopting an injection molding process, so that elements in the part defined by the dotted line area in fig. 17 are wrapped in plastic, hooks are arranged on an injection molding body, and the whole product becomes a conductive sliding block for sorting materials.

In summary, the tool disclosed by the patent application is simple to manufacture and convenient to use, and can clamp the semi-finished product of the brush body of the sorting sliding block brush, which is manufactured by adopting the compression molding manufacturing method and is processed by milling grooves, so that the semi-finished product can be conveniently drilled and lead wire mounting operation, and can be matched with various devices for use. The tool is used for carrying out perforating treatment on the semi-finished product of the electric brush, so that the consistency of form and position tolerances of holes or grooves on the electric brush can be ensured, the reliability of injection molding operation of a subsequent injection molding process is ensured, and the production of sorting slide block electric brushes at low cost by domestic electric brush manufacturing enterprises is also enabled to be possible. In addition, the tool also has the function of checking the machining quality of the grooving process of the brush body.

Although the present utility model has been described in detail hereinabove, the present utility model is not limited thereto, and modifications may be made by those skilled in the art in light of the principles of the present utility model, and it is therefore intended that all such modifications as fall within the scope of the present utility model.

Claims (4)

1. A trompil and lead wire installation clamping frock for making letter sorting slider brush, its characterized in that includes:

the first valve tooling is in structural mirror image with the first valve tooling and is used for being in butt joint with the first valve tooling to form a complete tooling;

one side of each tool is provided with a limit groove for arranging a lead wire installation part of the brush body of the sorting slide block brush after the milling groove treatment;

a placing groove for placing the brush body product using part of the sorting slide block brush processed by the milling groove is formed in the other side of each tool;

a pair of first through holes and a pair of second through holes are formed in the part, located between the installation part limiting groove and the using part arranging groove, of each tool.

2. The tooling of claim 1, wherein the diameter of the first through hole is greater than the diameter of the second through hole.

3. The tapping and lead mounting fixture of claim 2, wherein a distance between the first through hole and the lead mounting portion limiting groove on each tooling is less than a distance between the second through hole and the lead mounting portion limiting groove.

4. The tapping and lead mounting fixture of claim 1, wherein the lead mounting portion limiting groove on each tooling piece has a depth greater than the depth of the use portion seating groove.