CN218478175U

CN218478175U - Intermittent feeding mechanism

Info

Publication number: CN218478175U
Application number: CN202221746789.1U
Authority: CN
Inventors: 田海良
Original assignee: Anfano Feifeng Anji Communications Products Co ltd
Current assignee: Anfano Feifeng Anji Communications Products Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-02-14
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses an intermittent type nature feeding mechanism, including support, rack, initiative pendulum rod and gear, support and rack sliding connection, initiative pendulum rod and gear all are connected with the leg joint, and initiative pendulum rod and the coaxial setting of gear, pendulum rod are equipped with the initiative pawl, and the initiative pawl rotates with the initiative pendulum rod to be connected, and the initiative pawl card is on the gear and the reverse rotation of restriction gear, and the support is equipped with ends contrary pawl, ends contrary pawl and is connected with the leg joint, ends contrary pawl card on the gear and the reverse rotation of restriction gear. The utility model discloses can guarantee the material loading distance, shorten the material loading time, realize material loading in succession, reduce cost.

Description

Intermittent feeding mechanism

Technical Field

The utility model belongs to the technical field of the numerical control processing, especially, relate to an intermittent type nature feeding mechanism.

Background

CNC (numerical control machine) is a computer numerical control machine tool for short, and is an automatic machine tool controlled by a program. The control system can logically process a program specified by a control code or other symbolic instructions, and decode the program through a computer, so that a machine tool executes specified actions, and a blank material is machined into a semi-finished product part through cutting by a cutter.

At present, the ascending distance cannot be ensured by manual feeding or feeding by means of an auxiliary tool in the industry; the feeding time is long, the distance is unstable, and the processing service life of a cutter is influenced; the utilization rate of the blank is not high, and the input cost of the product is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above-mentioned technical problem that exists among the prior art, provide an intermittent type nature feeding mechanism, can guarantee the material loading distance, shorten the material loading time, realize continuous material loading, reduce cost.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an intermittent feeding mechanism is characterized in that: the rack-and-pinion type gear-driven mechanism comprises a support, a rack, a driving swing rod and a gear, wherein the support is connected with the rack in a sliding mode, the driving swing rod and the gear are both connected with the support in a rotating mode, the driving swing rod and the gear are coaxially arranged, a driving pawl is arranged on the swing rod and is connected with the driving swing rod in a rotating mode, the driving pawl is clamped on the gear and limits reverse rotation of the gear, a non-return pawl is arranged on the support and is connected with the support in a rotating mode, and the non-return pawl is clamped on the gear and limits reverse rotation of the gear. Through the cooperation of initiative pendulum rod and gear, utilize the forward rotation that initiative pawl can realize the gear to can remove along a direction on the rack, when later initiative pendulum rod resets, end contrary jack catch can prevent gear reverse rotation, and the initiative pawl rotates in the reverse direction on the gear makes the initiative pendulum rod can reset and the gear does not rotate simultaneously, accomplishes intermittent type material loading. The feeding distance is controlled by adjusting the parameters of the gear and the rack. The non-return pawl and the active pawl can be clamped in the gear tooth grooves by elastic elements such as a torque spring, a pressure spring and the like.

Further, the support is provided with an angle limiting block, the angle limiting block is provided with a limiting groove, the driving swing rod is provided with a limiting protruding portion, and the limiting protruding portion is arranged in the limiting groove. Through the setting of stopper and spacing groove, the turned angle that can restrict to can restrict the distance of single material loading. The angle limiter is simple in structure and good in effect.

Furthermore, the driving swing rod is provided with a first pin shaft, the driving pawl is arranged on the first pin shaft, the first pin shaft is sleeved with a first torque spring, one end of the first torque spring is clamped on the driving swing rod, and the other end of the torque spring is clamped on the driving pawl. The driving swing rod is rotatably connected through the pin shaft, and the gear is clamped through the first torque spring.

Furthermore, the support is provided with a second pin shaft, the non-return pawl is arranged on the second pin shaft, a second torque spring is sleeved on the second pin shaft, the support is provided with a fixed shaft, one end of the second torque spring is clamped on the non-return pawl, and the other end of the second torque spring is clamped on the fixed shaft. The rotation connection of the reverse pawl is realized through the arrangement of the pin shaft, and the clamping of the gear is realized through the second torque spring.

Furthermore, the driving pawl is provided with a first unlocking surface, the non-return pawl is provided with a second unlocking surface, and when the first unlocking surface is attached to the second unlocking surface, the driving pawl and the non-return pawl both unlock the limit of the gear. The first unlocking surface and the second unlocking surface are arranged, so that the pawl can be conveniently unlocked, the driving swing rod is pressed down to enable the first unlocking surface and the second unlocking surface to be attached, the driving pawl and the non-return pawl are enabled to rotate to be separated from the gear, and the limit of the gear is relieved.

Further, the driving swing rod is provided with a handle. Through the arrangement of the handle, the driving swing rod can be conveniently pressed down, and the driving swing rod is convenient to use.

Furthermore, the handle is provided with a fixed convex part, the swing rod is provided with a fixed clamping groove, and the fixed convex part is clamped in the fixed clamping groove. Through fixed bellying and fixed slot, can make things convenient for the dismantlement of handle, make things convenient for the change of handle.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

the utility model discloses can guarantee the material loading distance, shorten the material loading time, realize material loading in succession, reduce cost. The tool can be widely applied to CNC machine tools for processing 3C product parts such as mobile phones, notebook computers and watches.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural view of an intermittent feeding mechanism of the present invention;

FIG. 2 is a schematic structural view of the middle angle limiting block of the present invention;

FIG. 3 is a schematic structural view of the connection between the driving swing link and the bracket of the present invention;

FIG. 4 is a schematic view of the connection structure of the non-return pawl and the bracket of the present invention;

fig. 5 is a schematic structural view of the connection between the driving swing rod and the handle of the present invention.

In the figures, 1-stent; 2, a rack; 3-driving a swing rod; 4-a gear; 5-active pawl; 6-backstop pawl; 7-angle limiting block; 8-a limiting groove; 9-a limiting boss; 10-a first pin; 11-a first torque spring; 12-a second pin shaft; 13-a second torsion spring; 14-a fixed shaft; 15-a first unlocking face; 16-a second unlocking face; 17-a handle; 18-a fixation boss; 19-fixed card slot.

Detailed Description

As shown in fig. 1 to 5, for the utility model relates to an intermittent type nature feeding mechanism, which comprises a bracket 1, rack 2, initiative pendulum rod 3 and gear 4,

support

1 and 2 sliding connection of rack, initiative pendulum rod 3 and gear 4 all rotate with support 1 and are connected, initiative pendulum rod 3 and the coaxial setting of gear 4, initiative pendulum rod 3 is equipped with initiative pawl 5, initiative pawl 5 rotates with initiative pendulum rod 3 to be connected, initiative pawl 5 blocks on gear 4 and restricts the reverse rotation of gear 4, support 1 is equipped with contrary pawl 6, contrary pawl 6 rotates with support 1 to be connected, contrary pawl 6 blocks on gear 4 and restricts the reverse rotation of gear 4. Through the cooperation of initiative pendulum rod 3 and gear 4, reason initiative pawl 5 can realize the forward rotation of gear 4 to can remove along a direction on rack 2, later when initiative pendulum rod 3 resets, end contrary jack catch can prevent that gear 4 from reverse rotating, and initiative pawl 5 makes initiative pendulum rod 3 can reset and gear 4 does not rotate on gear 4 in the reverse rotation simultaneously, accomplishes intermittent type material loading. The movement form of the gear 4 and the rack 2 is adopted, so that the feeding distance can be conveniently controlled.

The support 1 is provided with an angle limiting block 7, the angle limiting block 7 is provided with a limiting groove 8, the driving swing rod 3 is provided with a limiting boss 9, and the limiting boss 9 is arranged in the limiting groove 8. Through the setting of stopper and spacing groove 8, the turned angle that can restrict to can restrict the distance of single material loading. The angle limiter is simple in structure and good in effect.

The driving swing rod 3 is provided with a first pin shaft 10, the driving pawl 5 is arranged on the first pin shaft 10, the first pin shaft 10 is sleeved with a first torque spring 11, one end of the first torque spring 11 is clamped on the driving swing rod 3, and the other end of the torque spring is clamped on the driving pawl 5. The driving swing rod 3 is rotatably connected through the pin shaft, and the gear 4 is clamped through the first torque spring 11.

The support 1 is provided with a second pin shaft 12, the non-return pawl 6 is arranged on the second pin shaft 12, the second pin shaft 12 is sleeved with a second torque spring 13, the support 1 is provided with a fixed shaft 14, one end of the second torque spring 13 is clamped on the non-return pawl 6, and the other end of the second torque spring 13 is clamped on the fixed shaft 14. The rotation connection of the reverse pawl is realized through the arrangement of the pin shaft, and the clamping of the gear 4 is realized through the second torque spring 13.

The driving pawl 5 is provided with a first unlocking surface 15, the non-return pawl 6 is provided with a second unlocking surface 16, and when the first unlocking surface 15 is attached to the second unlocking surface 16, the driving pawl 5 and the non-return pawl 6 both release the limit of the gear 4. The first unlocking surface 15 and the second unlocking surface 16 are arranged, so that the pawl can be conveniently unlocked, the driving swing rod 3 is pressed down to enable the first unlocking surface 15 and the second unlocking surface 16 to be attached, the driving pawl 5 and the non-return pawl 6 are enabled to rotate to be separated from the gear 4, and the limit of the gear 4 is relieved.

The driving swing rod 3 is provided with a handle 17. Through the arrangement of the handle 17, the driving swing rod 3 can be conveniently pressed down, and the driving swing rod 3 can be conveniently used. The handle 17 is provided with a fixed convex part 18, the swing rod is provided with a fixed clamping groove, and the fixed convex part 18 is clamped in the fixed clamping groove. Through the fixing protruding part 18 and the fixing clamping groove 19, the handle 17 can be conveniently detached, and the handle 17 can be conveniently replaced.

The motion analysis of the intermittent feeding mechanism comprises the following steps:

rising:

1. the whole feeding device (the mechanism drives the material supporting plate) is lowered to the lowest position A, after the whole plate material is loaded on the charging plate, the driving swing rod 3 is manually lifted anticlockwise,

2. the driving swing rod 3 drives a driving pawl 5, the driving pawl 5 is clamped in a tooth groove of the gear 4 under the action of a first torsion spring, the gear 4 is driven to rotate along with the swing of the driving swing rod 3, and an angle limiting block 7 limits the rotation angle of the driving swing rod 3;

4. the synchronous non-return pawl 6 slides over one tooth along the surface of the gear 4 under the action of the second torsion spring, so that the whole feeding device ascends once (the ascending distance is defined by the tooth space of the rack 2 matched with the straight gear 4);

5. the driving swing rod 3 rotates clockwise along the track of the angle limiting block 7 and rotates to the initial position, and the driving pawl 5 slides into the next tooth groove to be driven under the action of the first torsion spring, so that one-time rising and feeding is completed;

6. the CNC machine tool starts to process \8230 \ 8230 \ finishes the first processing;

7. repeatedly operating (1-6) the lifting action \8230 \ 8230, 10, 50 and N, finishing the processing of strip/bar-shaped blanks, loading materials, and descending a feeding device (a mechanism drives a material supporting plate) to an initial loading position A;

and (3) descending:

8. the driving swing rod 3 is pulled to rotate clockwise, so that the driving pawl 5 and the non-return pawl 6 are in contact with each other, when the first unlocking surface 15 and the second unlocking surface 16 are matched, the driving pawl 5 and the non-return pawl 6 are not in contact with the gear 4, and the feeding device moves to the lowest position A along the rack 2 along with the handle 17 under the self-weight condition;

9. beginning to charge material for 8230, and finishing charging.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.

Claims

1. An intermittent feeding mechanism is characterized in that: including support, rack, initiative pendulum rod and gear, the support with rack sliding connection, the initiative pendulum rod with the gear all with the support rotates to be connected, the initiative pendulum rod with the gear is coaxial to be set up, the initiative pendulum rod is equipped with initiative pawl, the initiative pawl with the initiative pendulum rod rotates to be connected, the initiative pawl block in on the gear and restriction the reverse rotation of gear, the support is equipped with non-return pawl, non-return pawl with the support rotates to be connected, non-return pawl block in on the gear and restriction the reverse rotation of gear.

2. The intermittent feed mechanism of claim 1, wherein: the support is provided with an angle limiting block, the angle limiting block is provided with a limiting groove, the driving swing rod is provided with a limiting protruding portion, and the limiting protruding portion is arranged in the limiting groove.

3. The intermittent feed mechanism of claim 1, wherein: the driving swing rod is provided with a first pin shaft, the driving pawl is arranged on the first pin shaft, a first torque spring is sleeved on the first pin shaft, one end of the first torque spring is clamped on the driving swing rod, and the other end of the torque spring is clamped on the driving pawl.

4. The intermittent feeding mechanism of claim 1, wherein: the bracket is provided with a second pin shaft, the non-return pawl is arranged on the second pin shaft, a second torque spring is sleeved on the second pin shaft, the bracket is provided with a fixed shaft, one end of the second torque spring is clamped on the non-return pawl, and the other end of the second torque spring is clamped on the fixed shaft.

5. The intermittent feeding mechanism of claim 1, wherein: the driving pawl is provided with a first unlocking surface, the non-return pawl is provided with a second unlocking surface, and when the first unlocking surface is attached to the second unlocking surface, the driving pawl and the non-return pawl release the limit of the gear.

6. The intermittent feeding mechanism of claim 1, wherein: the driving swing rod is provided with a handle.

7. The intermittent feed mechanism of claim 6, wherein: the handle is provided with a fixed protruding portion, the swing rod is provided with a fixed clamping groove, and the fixed protruding portion is clamped in the fixed clamping groove.