CN2642430Y

CN2642430Y - Detecting device for screw thread rolling machine

Info

Publication number: CN2642430Y
Application number: CN 03273234
Authority: CN
Inventors: 黄大海; 杨昆杉
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-05
Filing date: 2003-08-05
Publication date: 2004-09-22
Anticipated expiration: 2013-08-05

Abstract

The utility model relates to a detecting device of screw twisting machine. the screw twisting machine comprises a base, a detecting device, a vibrating disk arranged on the base which can output screw billets as column, a conveying groove arranged on the vibrating disk, a twisting plate unit arranged at one end of the conveying groove, a pushing device which can push the screw billets from the conveying groove to the twisting plate unit. The twisting plate unit comprises a fixed plate mold and an active plate mold, which can make linear movement. The fixed plate mold and the active plate mold are arranged parallel each other. A twisting channel is arranged between the fixed plate mold and the active plate mold. The twisting channel has an entry connected with the conveying groove and an exit opposite to the entry of the channel. The detecting device comprises a body, a sensor arranged on the body and a warning driving part connected with the sensor. The sensor is arranged above the rim of exit of the twisting channel. The utility model can be used to detect bad products in real time to exclude bad products, which can reduce subsequent quality control costs effectively.

Description

The checkout gear of screw threading machine

Technical field

The utility model relates to a kind of checkout gear design, refers to a kind of checkout gear of screw threading machine especially.

Background technology

The forming process of general screw 1, roughly as shown in Figure 1, it cuts out the screw stock 10 of setting size earlier, the step of taking the lead again molds head 12, whether mold the folder tail step of boring tail according to the decision of screw 1 shape more afterwards, in view of this screw shown in the figure 1 is represented with fine stern, so this screw 1 directly carries out the threading step and molds thread 16.

When carrying out the threading step, must utilize threading machine 2 shown in Figure 2 to come screw stock 10 is carried out threading, this threading machine 2 has support 21, it is located on the support 21 and can be with the vibrating disk 22 of screw stock 10 permutations output, can be with screw stock 10 pushing tows of the vibrating disk 22 outputs thrustor 24 to the threading plate group 23; Wherein this threading plate group 23 have movable dental lamina 230 and with these activity dental lamina 230 corresponding fixedly dental laminas 232; As shown in Figure 3, when vibrating disk 22 transports out screw stock 10 through carrying conduit 25, thrustor 24 can be with screw stock 10 from carrying conduit 25 to release, simultaneously movable dental lamina 230 can be driven shown in imaginary line among the figure does straight-line displacement, therefore when thrustor 24 ejects screw stock 10, movable dental lamina 230 during this screw stock 10 is moved drives, and cooperate the auxiliary of this activity dental lamina 230, make screw stock 10 be subjected to movable dental lamina 230 and fixing dental lamina 232 mutual clippings, and on threading passage 234, move, promptly move to the imaginary line position by solid line position among the figure, and then with the thread 16 that is shaped gradually on the screw stock 10.

Yet, along with the thread 16 that the user requires to be shaped must be close to spiral shell head 12 belows, in the middle of the threading process of screw stock 10, make screw stock 10 defective products that some heads 12 produce deflection in the process of moulding head 12, occur easily, and this screw stock 10 is by carrying conduit 25 to be influenced by the pushing tow feeding of thrustor 24, all can cause in the threading forming process, form this thread 16 and can't be close to the defective products that takes shape in head 12 belows, it is accompanied by non-defective unit and together enters in the material collecting barrel (not shown), cause this screw of finishing threading 1 need pass through the operation of one screening defective products again, except that cause the relative raising of QC cost because of the screening operation, and owing to detect the projection pattern work that utilizes, real easily because of single angle factor affecting, make the screening operation can't detect the screw 1 of defective products fully, the dealer is caused quite big puzzlement.

The utility model content

The purpose of this utility model is to provide a kind of checkout gear of screw threading machine, and it can detect defective products in real time in processing procedure, effectively reduce the QC cost.

To achieve these goals, technical solution of the present utility model is: a kind of checkout gear of screw threading machine, this screw threading machine comprises support, be located on the support and the vibrating disk that screw stock permutation can be exported, be connected with the conveying conduit on vibrating disk, be located at the threading plate group of carrying conduit one end, and can be with the screw stock pushing tow of the carrying conduit output thrustor to the threading plate group, this threading plate group has fixedly template die and is driven the movable template die of doing straight-line displacement, fixedly template die and movable template die are set in parallel, and in fixedly template die and portable plate intermode form the threading passage, and this threading passage has and the arrival end of carrying conduit to join and the port of export opposite with the arrival end direction, wherein the threading facility have checkout gear, this checkout gear comprises body, be located at the sensing chip on the body, and the caution drive division that electrically connects with this sensing chip, this sensing chip is provided with the outlet ora terminalis top that highly is positioned at the threading passage.

The checkout gear of described screw threading machine wherein offers long slot bore on the sensing chip.

After adopting such scheme, the utility model is compared with the product of commonly using, this novel support that utilizes is provided with checkout gear, and being provided with above the port of export that highly just is positioned at the threading passage of the sensing chip of this checkout gear, so can be detected in real time at the screw of finishing the threading operation, owing to failing the screw of threading to the head bottom surface, its protrusion height is bound to than the non-defective unit height, so the head of this screw is if touch this sensing chip, promptly belong to defective products, therefore the caution drive division with this sensing chip electric connection is triggered, just can export one in real time and drive the signal caution, remind the operator that this screw defective products is got rid of, proceed the threading operation again, therefore whether this novel just can promptly detecting synchronously at the beginning of screw threading moulding is finished has the threading defective products to produce, and real more known must have the enhancement effect that reduces the QC cost in the QC operation of doing screening together with non-defective unit afterwards.

Description of drawings

Fig. 1 is general screw forming process schematic diagram;

Fig. 2 is the schematic perspective view of known threading machine;

Fig. 3 is the threading action schematic diagram of known threading machine;

Fig. 4 is the schematic perspective view of the utility model preferred embodiment;

Fig. 5 is the utility model preferred embodiment and the fixing schematic diagram of template die, portable plate intermode.

The specific embodiment

For this novel purpose, effect and structural feature is had more detailed clear and definite understanding, now lift this novel preferred embodiment and cooperate graphic explanation.

See also Fig. 4, this screw threading machine 3 consists predominantly of support 30, be located on this support 30 and can be with the vibrating disk 32 of screw stock 40 permutations output, be connected with conveying conduit 34 on this vibrating disk 32, be located at these conveyings conduit 34 1 ends threading plate group 36 and can be with screw stock 40 pushing tows of carrying conduit 34 the export members such as thrustor 38 to the threading plate group 36; Wherein, this threading plate group 36 has fixedly template die 360 and is driven the movable template die 362 of doing straight-line displacement, fixedly template die 360 is set in parallel with movable template die 362, and the threading passage 364 that moves for screw stock 40 in 362 formation of fixedly template die 360 and movable template die, and this threading passage 364 has and the arrival end 367 of carrying conduit 34 to join, and the port of export 368 opposite with arrival end 367 directions.

This checkout gear 5 is arranged on the support 30, this checkout gear 5 mainly comprises body 50, is located at the sensing chip 51 on the body 50, and the members such as caution drive division 52 that electrically connect with this sensing chip 51, this sensing chip 51 arrival end 367 tops that highly just are positioned at threading passage 364 are set, when the head 41 of screw stock 40 touched this sensing chip 51, this caution drive division 52 output in real time one drove the signal caution; Moreover, cooperate shown in Figure 5, can offer long slot bore 511 again on this sensing chip 51, pass this long slot bore 511 by lock-in component 53, and this sensing chip 51 is positioned on the body 50, head 41 variations to some extent along with size of this screw stock 40 so the degree of tightness of this lock-in component 53 is controlled, can be adjusted the height of this sensing chip 51 and this threading passage 364 at any time at this moment.

Consult Fig. 4, shown in 5, when the vibrating disk 32 of screw threading machine 3 is carried screw stock 40 through carrying conduit 34 permutations, relend help thrustor 38 with screw stock 40 pushing tows to the movable template die 362, utilization activity this moment template die 362 toward covering activity, and movable template die 362 and fixing template die 360 mutual clippings, and screw stock 40 is moved on threading passage 364, make on this screw stock 40 and mold thread 42, and this thread 42 is closely against head 41 bottom surfaces, when this screw stock 40 is finished the threading operation, can be by the port of export 368 outputs of threading passage 364, at this moment, at failing the screw defective products of threading to head 42 bottom surfaces, it highly is bound to than the non-defective unit height, cause head 41 can touch sensing chip 51, and then the caution drive division 62 of these sensing chip 51 electrically connects is triggered, drive signal and drive this screw threading machine 3 and quit work and send one, so that the staff is got rid of the screw defective products, avoid the defective products screw to fall into the material collecting barrel (not shown), carry out so as to reaching the follow-up screening operation of saving, it effectively reduces the QC cost.

Certainly, the screw non-defective unit is when the port of export 368 places of process threading passage 364, and its head 41 can not touch sensing chip 51, and can waltz through threading passage 364, and falls to collection in the material collecting barrel (not shown) naturally.

Claims

1, a kind of checkout gear of screw threading machine, this screw threading machine comprises support, be located on the support and the vibrating disk that screw stock permutation can be exported, be connected with the conveying conduit on vibrating disk, be located at the threading plate group of carrying conduit one end, and can be with the screw stock pushing tow of the carrying conduit output thrustor to the threading plate group, this threading plate group has fixedly template die and is driven the movable template die of doing straight-line displacement, fixedly template die and movable template die are set in parallel, and in fixedly template die and portable plate intermode form the threading passage, and this threading passage has and the arrival end of carrying conduit to join and the port of export opposite with the arrival end direction, it is characterized in that: these threading facility have checkout gear, this checkout gear comprises body, be located at the sensing chip on the body, and the caution drive division that electrically connects with this sensing chip, this sensing chip is provided with the port of export top that highly just is positioned at the threading passage.

2. the checkout gear of screw threading machine as claimed in claim 1 is characterized in that: offer slotted eye on this sensing chip.