Needle type pre-carding strip and needle type pre-carding plate

Abstract

According to the technical scheme, the needle type pre-carding strip and the needle type pre-carding plate are characterized in that the needle type pre-carding strip and the needle type pre-carding plate comprise a connecting plate, a plurality of carding needles and a plurality of racks, the carding needles and the racks are installed on the connecting plate, and at least one part of the carding needles are used for conducting primary pre-carding on fibers and conducting secondary pre-carding in cooperation with the racks. Comprising a base assembly, the base assembly is provided with an installation groove used for installing connecting plates, clamping grooves used for embedding the side edges of the connecting plates are formed in the groove walls of the two sides of the installation groove, a detachable pressing plate is arranged at the position, corresponding to the position between the two connecting plates, of the installation groove, and the pressing plate downwards presses the connecting plates so as to be matched with the clamping grooves to fix the connecting plates in the installation groove. According to the pre-carding device, fine and uniform fiber carding can be ensured, meanwhile, fiber damage is reduced, formation of short fibers is reduced, abrasion of the racks is reduced, and the service life of pre-carding strips is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of components installed in carding machine, more specifically, it relates to a needle type pre-comb strip and needle type pre-comb plate. BACKGROUND

[0002] Textile equipment will cotton, chemical fiber and other fiber raw materials from the original state of disorder fiber, impurity cleaning, fiber carding and drawing, finally produce as yarn and fabric, with the change of textile industry from family workshop to factory production, the efficiency and quality requirement of fiber carding step is continuously improved, pre-comb plate is configured with carding roller and mutually distributed carding element, mainly strengthen carding roller carding effect, make fiber into the cylinder needle surface be carded, large cotton bundle is carded into small cotton bundle and single fiber, as important component of fiber carding, but when pre-comb plate bears higher working pressure and speed and the fiber carding diversification, for example chemical fiber, the working surface of sawtooth type pre-comb plate rack is easy to wear into groove, so that pre-comb plate rack service life is shorter, while the existing sawtooth type pre-comb plate rack, tooth piece tooth has edge and corner, and fiber damage is larger, increase short nap, affect later carding index.

[0003] In view of the above reasons, how to ensure that the fiber carding is fine and uniform, reduce the damage of fiber, reduce the formation of short nap, reduce the wear of rack and prolong the service life of pre-comb strip is the problem considered by the present application.

[0004] For this reason, many manufacturers and people with insight develop and research, but so far there is no ideal product on the market. CONTENT OF UTILITY MODEL

[0005] In view of the deficiencies in the prior art, a needle type pre-comb strip is provided, which can ensure fine and uniform fiber carding, reduce fiber damage, reduce short nap formation and reduce rack wear to prolong the service life of the pre-comb strip.

[0006] To achieve the above object, on the one hand, the following technical solutions are provided:

[0007] A needle type pre-comb strip, comprising a connecting plate, a plurality of carding needles mounted on the connecting plate, the carding needles being used for pre-combining fibers, and the carding needles being threadedly connected or glued to the connecting plate.

[0008] The utility model is further optimized, the connecting plate is provided with a threaded hole for mounting the carding needle at a position corresponding to the carding needle, and the carding needle is threadedly connected in the threaded hole.

[0009] The utility model is further optimized, the carding needle is provided with a first groove or a boss at the non-needle end, and the first groove or the boss is used for rotating the carding needle into or out of the connecting plate with a tool.

[0010] The utility model further optimizes, the position of corresponding comb needle on the connecting plate is provided with the mounting hole for installing comb needle, and the comb needle is matched and cemented in the mounting hole through the hole shaft.

[0011] The utility model further optimizes, and the second recess is arranged on the comb needle for accommodating the glue.

[0012] The utility model further optimizes, and the glue injection channel for injecting the glue is arranged at the end of the comb needle away from the tip, and the glue injection channel communicates the second recess with the outside.

[0013] The utility model further optimizes, and the second recess is annular, and is coaxially arranged with the comb needle.

[0014] The utility model further optimizes, and the connecting plate is further provided with the rack, and at least a part of the comb needle is used for carrying out the first precarding to the fiber and carries out the second precarding with the rack.

[0015] A needle type precarding plate comprises a base assembly and one or more needle type precarding strips installed on the base assembly, the tips of all the comb needles and the tips of the racks in the needle type precarding strips installed on the base assembly are located on the same arc-shaped track, and the arc-shaped track is adapted to the surface of a licker-in roller, so that the tips of all the comb needles and the tips of the racks uniformly participate in the carding of the fiber.

[0016] The utility model further optimizes, and the base assembly is provided with the installation slot for installing two connecting plates, and the both sides groove walls of the installation slot are provided with the clamping groove for embedding the side edge of the connecting plate, and the installation slot is provided with the detachable pressing plate between the positions of the two connecting plates, and the two connecting plates are pressed down by the pressing plate to be fixed in the installation slot in cooperation with the clamping groove.

[0017] The technical scheme has the following beneficial effects: ensuring fine and uniform fiber carding, reducing fiber damage, reducing the formation of short fibers, reducing rack wear, and prolonging the service life of the precarding strip. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a two-dimensional structure schematic view of a needle type precarding plate.

[0019] Figure 2 It is a two-dimensional structure schematic view of a needle rack type precarding plate.

[0020] Figure 3 It is a two-dimensional structure schematic view of a needle type precarding strip.

[0021] Figure 4 It is a two-dimensional structure schematic view of a trapezoidal needle rack type precarding strip connected by threads.

[0022] Figure 5It is a schematic diagram of two-dimensional structure of a glued inverted T-shaped needle tooth type pre-carding strip.

[0023] Figure 6 It is a schematic diagram of two-dimensional structure of a threaded needle.

[0024] Figure 7 It is a schematic diagram of two-dimensional structure of a non-tipped threaded needle.

[0025] Figure 8 It is a schematic diagram of two-dimensional structure of a glued needle.

[0026] Figure 9 It is a schematic diagram of two-dimensional structure of a glue injection channel.

[0027] Figure 10 It is a schematic diagram of two-dimensional structure of a needle type pre-carding strip of the second mounting mode.

[0028] Reference signs: 1, mounting groove; 11, clamping groove; 2, pressing plate; 3, base assembly; 41, needle; 411, first groove; 412, second groove; 413, glue injection channel; 42, rack; 43, threaded hole; 44, connecting plate; 45, mounting hole. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail below in combination with the drawings and examples. Identical parts are denoted by identical reference signs. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0030] Referring to Figures 1-10 As shown in the figure, a needle type pre-carding strip includes a connecting plate 44, a plurality of needles 41 mounted on the connecting plate 44, the needles 41 being used for pre-carding fibers, and the needles 41 being threadedly connected or glued to the connecting plate 44.

[0031] Bundled fibers enter from the equipment port, pass through the needle type pre-carding strip, the needles 41 open the bundled fibers into small bundles of fibers, and remove large impurities.

[0032] In the prior art, the tooth type pre-carding strip has the following defects and cannot be realized: the tooth type pre-carding strip can efficiently decompose fibers and remove impurities, but will increase short fibers, and after a period of work, the service life of the rack 42 will expire prematurely. In the present utility model, the rack 42 is replaced by the needles 41, and the needles 41 are used for carding chemical fibers, which not only reduces the generation of short fibers, but also improves the service life of the pre-carding plate.

[0033] The utility model further optimizes, and needle type precomb includes connecting plate 44 and the rack 42 and a plurality of comb needle 41 of installation on connecting plate 44, the position of comb needle 41 on connecting plate 44 is provided with the threaded hole 43 for installing comb needle 41, and comb needle 41 is screwed in the threaded hole 43, and the circumferential fixation and fastening force of being provided by screwing connection can make comb needle 41 and connecting plate 44 have higher stability and strength, and when installing, it is easier to fine tune the position of comb needle 41.

[0034] The utility model further optimizes, and the first recess 411 is provided at the non-needle end of the comb needle 41, which can easily complete the operation of rotating the comb needle 41 into or out of the connecting plate 44 by rotating the corresponding tool, and the distance between the needle end of the comb needle 41 and the connecting plate 44 can be accurately adjusted by the tool, thereby adapting to different needle length requirements. For example, the recess can be used with a Phillips screwdriver, a cross screw, and an internal hexagonal wrench. A protrusion can also be used with a socket wrench, a key wrench, and a flexible wrench.

[0035] The utility model further optimizes, and the mounting hole 45 for installing the comb needle 41 is provided at the position corresponding to the comb needle 41 on the connecting plate 44, the comb needle 41 is inserted into the mounting hole 45 to form an interference hole shaft cooperation with the mounting hole 45, and the connection stability of the comb needle 41 and the connecting plate 44 can be increased by combining the two connection methods of cementing and interference connection. A special mold can also be prepared to knock the comb needle 41 and the connecting plate 44, which can shorten the time of installing the comb needle 41 on the connecting plate 44.

[0036] The utility model further optimizes, and the second recess 412 is provided on the comb needle 41 connected by cementing, which is used to accommodate glue and prevent the glue from overflowing. At the same time, the second recess 412 limits the flow range of the glue, so that the glue can be concentrated at the connection part and reach a certain thickness, thereby increasing the strength of cementing.

[0037] The utility model further optimizes, and the glue injection channel 413 for injecting glue is provided at the end of the comb needle 41 away from the tip, and the comb needle 41 is interference connected to the mounting hole 45. The glue injection channel 413 at the end of the comb needle 41 away from the tip is used to inject glue, so that the glue can fill the second recess 412 between the comb needle 41 and the mounting hole 45. In this way, the glue will not splash.

[0038] The utility model further optimizes, and the second recess 412 of the comb needle 41 connected by cementing is annular and coaxial with the comb needle 41. The annular second recess 412 is easy to process, has excellent anti-peeling and anti-twisting capabilities, and can adapt to stress changes in the circumferential direction.

[0039] The utility model further optimizes, still be provided with rack 42 on connecting plate 44, at least one part of the card needle 41 is used to carry out once precarding to fiber and cooperate rack 42 and carry out twice precarding.

[0040] One of the installation methods, the bundle-shaped fiber enters from the equipment port, the card needle 41 is initially opened, the large bundle fiber is opened into the small bundle fiber state, and the large impurities are removed, the fiber after rough machining is transported to the rack 42, the teeth of the rack 42 can be deeply into the fiber inside, the remaining bundle-shaped fiber and single fiber are further carded, and the remaining impurities are removed, the fiber after carding through the rack 42 is more straight, and the needle type precarding strip has another installation method, a part of the card needle 41 is used to carry out once precarding to fiber and cooperate rack 42 and carry out twice precarding, and the remaining card needle 41 is used to carry out precarding to the fiber treated twice, and the installation method can carry out three times precarding to the fiber treated by the card needle 41 and the rack 42.

[0041] The above-mentioned needle type precarding strip is applied to the precarding plate and can constitute the following technical scheme:

[0042] A needle type precarding plate comprises a base assembly 3 and one or more needle type precarding strips installed on the base assembly 3, the tips of all the card needles 41 and the tips of the racks 42 in the needle type precarding strips installed on the base assembly 3 are located on the same arc track, the arc track is matched with the surface of the licker-in roller, the tips of all the card needles and the tips of the racks uniformly participate in the carding of the fiber, and the fiber can be efficiently preprocessed.

[0043] The utility model further optimizes, the base assembly 3 is provided with the installation slot 1 for installing two connecting plates 44, the both sides groove wall of the installation slot 1 is provided with the clamping groove 11 for embedding the side edge of connecting plate 44, and the installation slot 1 is provided with the detachable pressing plate 2 corresponding to the position between the two connecting plates 44.

[0044] The connecting plate 44 is arranged as inverted T shape, and the detachable pressing plate 2 is arranged as H shape, the lower half of the pressing plate 2 is fixed in the middle installation slot 1, and the upper half of the pressing plate 2 presses one end of the connecting plate 44, when a downward force is applied to one end of the connecting plate 44 close to the clamping groove 11, an upward force is generated at the other end of the connecting plate 44 away from the clamping groove 11, at this time, the upper half of the pressing plate 2 is subjected to an upward force, since the lower half of the pressing plate 2 is installed in the installation slot 1, the installation slot 1 clamps the upward movement of the pressing plate 2, and the upper half of the pressing plate 2 generates an opposite force to the upward force, thereby offsetting the upward force of the connecting plate 44.

[0045] When the downward force is applied on the pressing plate 2, the end of the connecting plate 44 close to the clamping groove 11 is displaced upward, at this time the upper half of the clamping groove 11 is subjected to the upward force, and the upper half of the clamping groove 11 generates an opposite resisting force to the upward force, thereby offsetting the upward force of the connecting plate 44.

[0046] The connecting plate 44 can also be provided as a trapezoid, and the connecting part of the pressing plate 2 and the connecting plate 44 is provided as an inverted trapezoid, and the cooperation of the pressing plate 2 and the clamping groove 11 can also complete the non-displacement of the connecting plate 44.

[0047] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical solution belonging to the idea of the present application is within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. A needle-type pre-combed sliver, characterized in that: The utility model comprises a connecting plate and a plurality of combing needles which are all installed on the connecting plate. The combing needles are used for pre-combing fibers. The combing needles are threadedly connected or glued to the connecting plate.

2. The needle-type pre-combed strip according to claim 1, characterized in that: The connection plate is provided with a threaded hole for installing the combing needle at a position corresponding to the combing needle; the combing needle is threadedly connected in the threaded hole.

3. The needle-type pre-combed strip according to claim 2, characterized in that: The non-needle head end of the combing needle is provided with a first groove or a boss, and the first groove or the boss is used to cooperate with a tool to screw the combing needle into or out of the connecting plate.

4. The needle-type pre-combed strip according to claim 1, characterized in that The connection plate is provided with mounting holes for mounting the combing needles at positions corresponding to the combing needles; the combing needles are fitted and glued into the mounting holes through hole shafts.

5. The pin-type pre-combed sliver according to claim 4, characterized in that: The combing needle is provided with a second groove for accommodating glue.

6. The pin-type pre-combed sliver according to claim 5, characterized in that: An injection channel for injecting glue is provided at one end of the combing needle away from the tip, and the injection channel connects the second groove with the outside.

7. The pin-type pre-combed strip according to claim 6, characterized in that The second groove is annular and is coaxially arranged with the combing needle.

8. The pin-type pre-combed sliver according to any one of claims 1 to 7, characterized in that: The connecting plate is also provided with a rack, and at least a part of the combing needles are used for pre-combing the fibers once and cooperating with the rack for a second pre-combing.

9. A pin-type pre-combing plate, characterized in that: It comprises a base assembly and one or more needle pre-combing strips as described in claim 8 installed on the base assembly, wherein the tips of all combing needles and the tips of the racks in the needle pre-combing strips installed on the base assembly are located on the same arc trajectory, and the arc trajectory is adapted to the surface of the licker-in roller so that the tips of all combing needles and the tips of the racks evenly participate in the combing of the fibers.

10. The pin-type pre-combing plate according to claim 9, characterized in that: The base assembly is provided with a mounting groove for installing two connecting plates, and the groove walls on both sides of the mounting groove are provided with a card groove for embedding the side edges of the connecting plates; the mounting groove corresponds to the position between the two connecting plates and is provided with a detachable pressure plate, and the pressure plate presses down the two connecting plates to cooperate with the card groove to fix the connecting plates in the mounting groove.

Images