CN114770358A

CN114770358A - Polishing equipment for grinding knitting needle

Info

Publication number: CN114770358A
Application number: CN202210716754.1A
Authority: CN
Inventors: 王炳昌; 靳皓程; 王可山; 孙景山; 孙翠香
Original assignee: Yantai Yongchang Precision Knitting Needle Co ltd
Current assignee: Yantai Yongchang Precision Knitting Needle Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-07-22
Anticipated expiration: 2042-06-23
Also published as: CN114770358B

Abstract

The application relates to a polishing equipment for grinding knitting needle, include the base and install the grinding barrel who is used for connecing the lapping compound on the base greatly, be equipped with the rack that is used for centre gripping knitting needle in the grinding barrel, be equipped with many pairs of clamping jaws that are used for fixed knitting needle in the rack, two liang of a set of both ends that are used for centre gripping knitting needle of clamping jaw. The knitting needle is fixed on the placing frame through the clamping jaws by an operator, the clamping jaws are clamped at two ends of the knitting needle, after the knitting needle is installed, the placing frame is placed in the grinding barrel by the operator, and grinding and polishing are carried out on the knitting needle by grinding fluid in the grinding barrel. Because the knitting needle is polished by the liquid, the liquid has stronger fluidity and can polish all surfaces and corners of the knitting needle, thereby ensuring the polishing effect of the knitting needle. Moreover, an operator only needs to load and unload materials, and the polishing is not carried out by hands, so that time and labor are saved. The operators can feed materials in advance and can also mount the next batch of knitting needles during the grinding of the grinding barrel, thereby improving the working efficiency.

Description

Polishing equipment for grinding knitting needle

Technical Field

The application relates to the field of polishing equipment, in particular to polishing equipment for grinding knitting needles.

Background

A knitting needle is a major knitting element of a knitting machine for knitting yarns into loops and connecting the loops into a knitted fabric. The knitting needle is always in contact with the yarn or the cloth in the knitting process. Therefore, if the surface smoothness of the knitting needle is not enough, the knitting needle is easy to hook yarns, and damages are caused to cloth or yarns, so that the final knitting quality is influenced.

In order to ensure the smoothness of the knitting needle, the knitting needle needs to be ground and polished, and the knitting needle belongs to a special-shaped piece due to the fact that the structure of the knitting needle is irregular, and the knitting needle is difficult to grind and polish through a conventional grinding wheel and the like. The common polishing method is manually polishing with sand paper.

And the manual polishing mode wastes time and labor, and the labor intensity is higher.

Disclosure of Invention

In order to save manpower, this application provides a polishing equipment for grinding knitting needle.

The application provides a polishing equipment for grinding knitting needle adopts following technical scheme:

a polishing device for grinding knitting needles comprises a base and a grinding barrel which is arranged on the base and used for containing grinding fluid, wherein a placing frame used for clamping knitting needles is arranged in the grinding barrel, a plurality of pairs of clamping jaws used for fixing the knitting needles are arranged in the placing frame, and every two clamping jaws are in a group and used for clamping two ends of the knitting needles; the clamping jaw comprises two movable jaws which synchronously move towards or away from each other, and the movable jaws are connected with the placing rack in a sliding manner; the rack is rotatably connected with a control screw rod used for controlling the movable claws, the control screw rod comprises a plurality of positive sections and negative sections, the positive sections correspond to the negative sections one by one, the rotating directions of the threads on the positive sections are opposite to that of the threads on the negative sections, the positive sections and the negative sections are both provided with nut seats, and the movable claws are arranged on the nut seats; the two clamping jaws in one group are respectively a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are respectively formed by two movable jaws, the control screw rods are arranged in pairs, each pair of control screw rods comprises two control screw rods, the two control screw rods are respectively connected with the first clamping jaw and the second clamping jaw, and the rotating directions of threads on the two control screw rods are opposite, so that the opening and closing directions of the first clamping jaw and the second clamping jaw are opposite.

Through adopting above-mentioned technical scheme, operating personnel is fixed in the rack through the clamping jaw with the knitting needle earlier, a knitting needle and a pair of clamping jaw looks adaptation, and clamping jaw centre gripping is fixed the knitting needle in the both ends of knitting needle, and after the installation, operating personnel arranges the rack in the grinding barrel, and the lapping liquid in the grinding barrel carries out the abrasive finishing to the knitting needle. Because the knitting needle is polished by the liquid, the liquid has stronger fluidity and can polish all surfaces and corners of the knitting needle, thereby ensuring the polishing effect of the knitting needle. Moreover, an operator only needs to load and unload materials, and the polishing is not carried out by hands, so that time and labor are saved. The operator can feed in advance, also can install next batch of knitting needles during the grinding of grinding barrel to improve work efficiency.

The two movable claws move in opposite directions, namely the combination of the clamping jaws is realized to clamp and fix the knitting needle, the two movable claws move in opposite directions, namely the clamping jaws are opened to release the knitting needle, and the use is convenient.

The screw rod is controlled to rotate, and due to the fact that the thread turning directions of the positive section and the reverse section are opposite, the two movable claws can move in the opposite direction or in the opposite direction synchronously, and the screw rod type adjustable clamp is simple to operate and convenient to use.

The opening and closing modes of the first claw and the second claw are just opposite, namely when the first claw clamps and grabs a knitting needle, the second claw is released. In the grinding process of the knitting needle, the middle part of the knitting needle which is not clamped by the clamping jaws is better ground and polished, and the part of the knitting needle which is clamped by the clamping jaws is shielded by the inner clamping jaws, so that the part of the knitting needle is difficult to grind by the grinding liquid. Therefore, the first claw and the second claw alternately clamp and fix the knitting needle, so that the knitting needle can be comprehensively polished, and the polishing effect of the knitting needle is improved.

Optionally, one face of each movable jaw, which faces each other, is provided with a clamping jaw, and a clamping spring is arranged between each movable jaw and each clamping jaw.

By adopting the technical scheme, the movable claws move oppositely to clamp and fix the knitting needle, and the clamping spring can buffer and protect the knitting needle, so that the knitting needle is prevented from being damaged by overlarge clamping force. And when the clamping of the first jaw and the second jaw is switched, the two movable jaws of the first jaw move back to back, at the moment, the clamping spring resets first, the clamping jaws still clamp and fix the knitting needle under the action of the clamping spring until the clamping jaws on the second jaw are contacted with the knitting needle and clamp and fix the knitting needle, and the two movable jaws of the first jaw continue to move back to back until the clamping jaws of the first jaw are separated from the knitting needle. And at the moment, the two movable claws on the second claw gradually press the knitting needle. In the whole switching process, the knitting needle is fixed by the clamping force all the time, so that the situation that the knitting needle falls off from the clamping jaw is reduced.

Optionally, one surface of each clamping jaw, which is opposite to each other, is provided with a pre-clamping groove for clamping and embedding the knitting needle.

By adopting the technical scheme, when an operator installs the knitting needle, the end part of the knitting needle can be clamped into the pre-clamping groove for pre-positioning, and then the knitting needle is pressed and fixed by the control screw rod, so that the knitting needle is convenient to install.

Optionally, even have the transmission shaft between two control screws that set up in pairs, the transmission shaft passes through the bevel gear pair and links to each other with the control screw.

By adopting the technical scheme, the transmission shaft rotates to drive the two control screw rods to synchronously rotate, and the control is stable.

Optionally, a control rod for controlling the transmission shafts is vertically arranged on the placing frame, the control rod is connected with all the transmission shafts through bevel gear pairs, a avoiding hole for the control rod to stretch out is formed in the top of the grinding barrel, a driving motor for driving the control rod to rotate is arranged on the placing frame, and the driving motor is located above the grinding barrel.

By adopting the technical scheme, when the knitting needle grinds in the grinding barrel, the driving motor is started, the control rod drives the transmission shaft to rotate, and the transmission shaft drives the control screw to rotate, so that the clamping switching of the first claw and the second claw is realized. The knitting needle can realize the switching of the first claw and the second claw in the grinding process, the placing frame does not need to be stopped to be taken out for secondary operation, the time is saved, and the efficiency is improved.

Optionally, be equipped with the inner tube that is used for holding the rack in the grinding barrel, a plurality of inlet openings have been seted up to the inner tube outer wall, the bottom of grinding barrel inner wall is rotated and is connected with the stirring vane who is located the inner tube below.

Through adopting above-mentioned technical scheme, the inner tube supports the rack, and stirring vane stirs the lapping liquid, and the lapping liquid grinds stable in structure, convenient to use through the inlet opening to the knitting needle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the grinding barrel and the placing rack, an operator only needs to carry out feeding and discharging operations on the knitting needles, the grinding barrel automatically carries out full-range grinding and polishing on the knitting needles, and time and labor are saved;

2. through the arrangement of the control screw rod, the two movable claws synchronously move in the opposite direction or in the opposite direction, so that the knitting needle is clamped or loosened, and the knitting needle clamping device is stable in structure, practical and convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment.

FIG. 2 is a schematic structural view of an inner cylinder in the example.

Fig. 3 is a schematic structural view of the rack in the embodiment.

Fig. 4 is a schematic structural view of the end cap in the embodiment.

Fig. 5 is an enlarged schematic view of a portion a in fig. 3.

Description of reference numerals: 1. a base; 2. a grinding barrel; 21. an end cap; 211. avoiding holes; 22. an inner barrel; 221. a limiting groove; 222. a water inlet hole; 23. a water inlet pipe; 24. a water outlet pipe; 3. placing a rack; 31. controlling the lead screw; 311. a positive section; 312. reversely segmenting; 32. a nut seat; 33. a drive shaft; 34. a control lever; 35. a drive motor; 36. a limiting rod; 4. a clamping jaw; 41. a movable jaw; 42. a first claw; 43. a second claw; 44. a gripper jaw; 441. pre-clamping grooves; 45. a clamping spring; 5. a stirring blade; 51. a stirring motor.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a polishing equipment for grinding knitting needle, refers to fig. 1, including base 1 and install grinding barrel 2 on base 1, even have inlet tube 23 and outlet pipe 24 on grinding barrel 2. The grinding barrel 2 is internally filled with grinding fluid, the bottom of the grinding barrel 2 is provided with a stirring mechanism for stirring the grinding fluid, and the grinding fluid grinds the knitting needle. The grinding barrel 2 is open at the upper end and is provided with an end cover 21.

Referring to fig. 1, an inner cylinder 22 is fixed in a grinding barrel 2, a holder 3 for holding a knitting needle is placed in the inner cylinder 22, the knitting needle is fixed on the holder 3, the holder 3 is placed in the inner cylinder 22, a stirring mechanism stirs a grinding fluid, and the grinding fluid grinds the knitting needle.

Referring to fig. 2, the inner cylinder 22 has an opening at the upper end thereof for facilitating the placement of the placement frame 3, the inner wall of the inner cylinder 22 is provided with a plurality of limiting grooves 221 matched with the placement frame 3, and the placement frame 3 is fixed with a limiting rod 36 slidably connected with the limiting grooves 221. The limiting rod 36 is embedded in the limiting groove 221, the placing frame 3 is fixed, and the situation that the knitting needle grinding is affected due to shaking of the placing frame 3 in the grinding process is avoided.

Referring to fig. 1 and 2, a plurality of water inlets 222 are formed in the sidewall of the inner barrel 22 to facilitate the flow of the polishing slurry. A gap is left between the bottom of the inner cylinder 22 and the bottom of the grinding barrel 2. The stirring mechanism comprises a stirring blade 5 which is rotatably connected in the gap, and a stirring motor 51 which is used for driving the stirring blade 5 to rotate is fixed on the base 1. The stirring motor 51 is started, and the stirring blade 5 stirs the polishing liquid in the polishing barrel 2.

Referring to fig. 3, a plurality of layers of clamping mechanisms with different heights are arranged in the placing frame 3, each clamping mechanism comprises a plurality of groups of clamping jaws 4 which are arranged in pairs, each clamping jaw 4 in each group is divided into a first jaw 42 and a second jaw 43, the first jaw 42 and the second jaw 43 are opposite to each other, and each first jaw 42 and each second jaw 43 are composed of two movable jaws 41. One needle is adapted to a set of jaws 4. The first claw 42 and the second claw 43 are respectively clamped at two ends of the knitting needle to fix the knitting needle.

Referring to fig. 3, the clamping mechanism includes a plurality of control screws 31 parallel to each other, and the control screws 31 are arranged in pairs, two by two. The control screws 31 arranged in pairs are adapted to the clamping jaws 4 arranged opposite. One control screw 31 is connected to jaw one 42 and the other control screw 31 is connected to jaw two 43. However, one control screw 31 may be provided with a plurality of first claws 42, and similarly, the other control screw 31 may be provided with a plurality of second claws 43. I.e. two control screws 31 in pairs, can control a plurality of pairs of jaws 4.

Referring to fig. 3, each control screw 31 includes a plurality of positive sections 311 and negative sections 312, the positive sections 311 and the negative sections 312 correspond to each other, and the thread directions of the positive sections 311 and the negative sections 312 are opposite. The positive section 311 and the negative section 312 are both provided with a nut seat 32, and when the control screw 31 rotates, the nut seat 32 moves linearly along the control screw 31. The movable claws 41 are fixed to the nut block 32, and two movable claws 41 in one holding claw 44 are connected to the nut block 32 on the forward section 311 and the reverse section 312, respectively. When the control spindle 31 is rotated, the two movable jaws 41 in one gripper jaw 44 move towards or away from each other, so that the needle can be gripped or released.

Referring to fig. 3, the thread directions of the two control screw rods 31 arranged in pairs are opposite, that is, the positions of the positive section 311 and the negative section 312 of the two control screw rods 31 arranged in pairs are just staggered, wherein the positive section 311 of one control screw rod 31 is directly opposite to the negative section 312 of the other control screw rod 31. Namely, the opening and closing modes of the first claw 42 and the second claw 43 in the same group of clamping jaws 4 are just opposite. When the two movable claws 41 on the first claw 42 move towards each other to perform a clamping action, the two movable claws 41 on the second claw 43 move away from each other to perform a releasing action.

Referring to fig. 3, when the knitting needle is ground in the grinding barrel 2, the portion of the knitting needle held by the holding jaw 4 is shielded by the holding jaw 4, and is less likely to be ground by the contact of the grinding fluid. Therefore, both ends of the knitting needle are ground by the respective clamping of the first jaw 42 and the second jaw 43. When the first claw 42 clamps and fixes the knitting needle, the second claw 43 releases the end part of the knitting needle, and the grinding fluid can grind and polish the end part, and similarly, when the second claw 43 clamps, the grinding fluid can grind and polish the other end, so that the polishing effect of the knitting needle is provided.

Referring to fig. 3, in order to ensure the synchronous movement of the first jaw 42 and the second jaw 43, the clamping mechanism further comprises a transmission shaft 33 positioned between each pair of control screws 31, the transmission shaft 33 is perpendicular to the control screws 31, and the transmission shaft 33 is rotatably connected with the placing frame 3. Two ends of the transmission shaft 33 are connected with the control screw 31 through a bevel gear pair. When one of the control screws 31 rotates, the transmission shaft 33 drives the other control screw 31 to rotate synchronously.

Referring to fig. 3, the axes of the transmission shafts 33 in the same layer are located on the same straight line and are sequentially and fixedly connected. That is, the transmission shafts 33 in the same side are rotated in synchronization, that is, the rotation of all the control screws 31 in the layer is controlled in synchronization.

Referring to fig. 3, a control rod 34 for controlling the rotation of the transmission shaft 33 is vertically and rotatably connected to the placing frame 3, the control rod 34 is perpendicular to the transmission shaft 33, and the control rod 34 is simultaneously connected to the transmission shafts 33 of different layers through a plurality of bevel gear pairs. The control rod 34 rotates to drive the transmission shafts 33 of different layers to synchronously rotate, so that the rotation of all the control screw rods 31 on the placing rack 3 can be controlled, and the opening and closing of all the clamping jaws 4 on the placing rack 3 can be controlled. Therefore, the effect of clamping and loosening the knitting needle at the same time can be realized, and the feeding and discharging of operators are facilitated.

Referring to fig. 3 and 4, an avoiding hole 211 for extending the control rod 34 is formed in the end cover 21, a driving motor 35 for driving the control rod 34 to rotate is arranged on the placing frame 3, and the driving motor 35 is located at the upper end of the end cover 21. The driving motor 35 can control the rotation of the control rod 34, so that the effect of automatically controlling the opening and closing of the clamping jaws 4 can be realized.

Referring to fig. 1 and 3, when the knitting needle grinds in the grinding barrel 2, the driving motor 35 is started, and the driving of the screw 31 is controlled through the control rod 34 and the transmission shaft 33, so that the clamping of the first claw 42 and the second claw 43 on the knitting needle can be switched, the two ends of the knitting needle can be conveniently ground, and the effect of automatically and comprehensively grinding the knitting needle is realized.

Referring to fig. 3 and 5, in order to ensure the stability of the knitting needle during the clamping switching of the knitting needle by the first jaw 42 and the second jaw 43, a clamping jaw 44 is provided at the end of the movable jaw 41. The clamping claws 44 are positioned on the surfaces of the same pair of movable claws 41 which are opposite to each other, and the movable claws 41 are connected with the clamping claws 44 through clamping springs 45.

Referring to fig. 3 and 5, the first jaw 42 grips the end of the needle and the second jaw 43 releases the end of the needle. At this time, the distance between the two movable claws 41 on the first claw 42 is the shortest, the holding claw 44 on the first claw 42 holds the end of the knitting needle, and the holding spring 45 on the first claw is compressed to the shortest state. The clamping of the first claw 42 and the second claw 43 is switched, namely the first claw 42 is switched to release the end of the knitting needle, and the second claw 43 clamps the end of the knitting needle.

Referring to fig. 3 and 5, as the two movable jaws 41 of jaw one 42 move away from each other, since the clamping spring 45 of jaw one 42 is now compressed to the shortest distance, when the two movable jaws 41 of jaw one 42 move away from each other, the clamping spring 45 of jaw one 42 first returns to extend and does not move synchronously with the movable jaw 41 of jaw one 42. Therefore, the clamping claw 44 on the first claw 42 does not move, and the knitting needle is still clamped and fixed. Until the clamping claw 44 on the claw two 43 contacts with the knitting needle and clamps and fixes the knitting needle. At this point, when the clamping spring 45 of the first jaw 42 returns to its original length and the movable jaw 41 of the first jaw 42 continues to move away from the other, the clamping spring 45 of the first jaw 42 no longer extends but follows the movable jaw 41 of the first jaw 42 in a synchronous manner, thereby moving the clamping jaw 44 of the first jaw 42 away from the other and releasing the end of the needle. At this time, the two movable claws 41 on the second claw 43 approach each other, the holding spring 45 on the second claw 43 is gradually compressed, and the holding claw 44 on the second claw 43 gradually presses the knitting needle. In the whole switching process, the knitting needles are fixed by the clamping force all the time, so that the condition that the knitting needles fall off from the clamping jaw 4 is reduced.

Referring to fig. 3 and 5, the opposite surfaces of the same pair of clamping jaws 44 are provided with pre-clamping grooves 441 for clamping and embedding the knitting needle, when an operator installs the knitting needle, the operator can respectively clamp and embed the end portions of all the knitting needles in the pre-clamping grooves 441 on the corresponding clamping jaws 44, and then rotate the control rod 34, so that the two clamping jaws 44 approach each other to clamp and fix the knitting needle.

The implementation principle of the polishing equipment for grinding the knitting needle in the embodiment of the application is as follows: an operator mounts the knitting needles on the placing frame 3 in advance, and clamps and fixes the knitting needles through the driving motor 35. The placing rack 3 is placed in the inner cylinder 22, grinding fluid is added into the grinding barrel 2, the stirring motor 51 is started, the grinding fluid grinds the knitting needle, and in the grinding process, the driving motor 35 is started to switch the clamping position of the knitting needle, so that the knitting needle is comprehensively ground.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a burnishing device for grinding knitting needle, includes base (1) and installs and be used for flourishing grinding barrel (2) that connect the lapping liquid on base (1), its characterized in that: a placing frame (3) used for clamping a knitting needle is arranged in the grinding barrel (2), a plurality of pairs of clamping jaws (4) used for fixing the knitting needle are arranged in the placing frame (3), and every two clamping jaws (4) are in a group and are used for clamping two ends of the knitting needle; the clamping jaw (4) comprises two movable claws (41) which synchronously move towards or away from each other, and the movable claws (41) are connected with the placing rack (3) in a sliding manner; the automatic thread-turning device is characterized in that a control lead screw (31) for controlling the movable jaws (41) is rotatably connected to the placing frame (3), the control lead screw (31) comprises a plurality of positive sections (311) and negative sections (312), the positive sections (311) and the negative sections (312) are in one-to-one correspondence, the rotating directions of threads on the positive sections (311) and the negative sections (312) are opposite, the positive sections (311) and the negative sections (312) are both provided with nut seats (32), and the movable jaws (41) are mounted on the nut seats (32); the two clamping jaws (4) in one group are respectively a first clamping jaw (42) and a second clamping jaw (43), the first clamping jaw (42) and the second clamping jaw (43) are formed by two movable clamping jaws (41), the control screw rods (31) are arranged in pairs, each pair of control screw rods (31) comprises two control screw rods, the two control screw rods (31) are respectively connected with the first clamping jaw (42) and the second clamping jaw (43), and the rotating directions of threads on the two control screw rods (31) are opposite, so that the opening and closing directions of the first clamping jaw (42) and the second clamping jaw (43) are opposite.

2. A polishing apparatus for grinding knitting needles as claimed in claim 1, wherein: one face, opposite to each other, of each movable claw (41) is provided with a clamping claw (44), and a clamping spring (45) is arranged between each movable claw (41) and each clamping claw (44).

3. A polishing apparatus for grinding knitting needles as claimed in claim 2, wherein: one surface of the clamping claw (44) opposite to each other is provided with a pre-clamping groove (441) for clamping and embedding the knitting needle.

4. A polishing apparatus for grinding knitting needles as claimed in claim 3, wherein: a transmission shaft (33) is connected between the two control screw rods (31) which are arranged in pairs, and the transmission shaft (33) is connected with the control screw rods (31) through a bevel gear pair.

5. A finishing apparatus for grinding knitting needles as claimed in claim 4, characterized in that: the vertical control rod (34) that are used for controlling transmission shaft (33) that are equipped with on rack (3), control rod (34) link to each other with all transmission shaft (33) through the bevel gear pair, hole (211) of dodging that are used for control rod (34) to stretch out is seted up at the top of grinding barrel (2), be equipped with on rack (3) and be used for driving control rod (34) pivoted driving motor (35), driving motor (35) are located the top of grinding barrel (2).

6. A polishing apparatus for grinding knitting needles as claimed in claim 1, wherein: the grinding barrel is characterized in that an inner barrel (22) used for containing the placing frame (3) is arranged in the grinding barrel (2), a plurality of water inlet holes (222) are formed in the outer wall of the inner barrel (22), and a stirring blade (5) located below the inner barrel (22) is rotatably connected to the bottom of the inner wall of the grinding barrel (2).