CN221289371U - Gear tooth punching mechanism - Google Patents

Abstract

The utility model discloses a gear tooth punching mechanism which comprises a support, wherein an air cylinder is arranged on the support, a lower pressing block is connected below the air cylinder, a rack is arranged on the lower side of the lower pressing block, a gear is meshed with the side face of the rack, the gear is fixedly connected with a rotating shaft coaxially, a first hinging rod is sleeved on the rotating shaft, the end part of the first hinging rod is hinged with a second hinging rod, the other end of the second hinging rod is hinged with two connecting rods, the other end of each connecting rod is connected with a lever, and the two levers are respectively connected with an upper connecting plate and a lower connecting plate. The utility model has scientific and reasonable structural design, converts the linear motion of the cylinder into the synchronous motion of the two levers by utilizing the structural matching characteristics of the gear and the rack, performs tooth punching processing on the end products, has larger force and can perform tooth punching processing on a plurality of products, and meanwhile, can ensure the smoothness of upper and lower tooth mouths.

Description

Gear tooth punching mechanism

Technical Field

The utility model relates to the technical field of tooth punching equipment, in particular to a gear tooth punching mechanism.

Background

Part of the workpiece is required to be processed into a groove by a tooth punching mechanism in the processing process. The workpiece is usually subjected to tooth punching processing on two sides in sequence by adopting a manual or mechanical processing mode, the direction of the workpiece needs to be repeatedly adjusted in the process, the consistency of upper and lower tooth mouths of the workpiece is difficult to be ensured, the tooth punching efficiency of the workpiece is difficult to be ensured when the workpiece is subjected to tooth punching operation on a large scale, the economic benefit is low, and the equipment is easy to generate faults after long-time operation. To this end, we propose a gear tooth punching mechanism.

Disclosure of utility model

The present utility model is directed to a gear tooth punching mechanism, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gear tooth punching mechanism, includes the support, install the cylinder on the support, the cylinder below is connected with down the briquetting, the briquetting downside is provided with the rack down, rack side meshing has the gear, gear and the coaxial fixed connection of pivot, the cover is equipped with first articulated lever in the pivot, first articulated lever tip articulates there is the second articulated lever, the second articulated lever other end articulates there are two connecting rods, the connecting rod other end is connected with the lever, and two levers are connected with upper junction plate and lower junction plate respectively, and install cutter and cutter down on upper junction plate and the lower junction plate respectively.

In the scheme, the lower pressing block is movably connected with the inner wall of the bracket.

In the scheme, the gear is rotationally connected with the bracket through the shaft pin.

In the scheme, the middle part of the lever is rotationally connected with the bracket through the shaft pin.

In the scheme, the end part of the lever is respectively hinged and matched with the upper connecting plate and the lower connecting plate through the shaft pin.

In the scheme, the side face of the bracket is provided with the sliding groove, and the upper connecting plate and the lower connecting plate are correspondingly clamped in the sliding groove.

In the scheme, the air cylinder is externally connected with an electric control mechanism.

Compared with the prior art, the utility model has the beneficial effects that: this kind of gear tooth punching mechanism, structural design is simple reasonable, has stronger practicality, through setting up the cylinder, down briquetting, the rack, the gear, the pivot, first articulated rod, the gear toggle mechanism that second articulated rod, the connecting rod, lever isotructure constitutes, utilize the structure cooperation characteristic of rack and pinion, the rectilinear motion of cylinder converts the synchronous motion of two levers into, carry out tooth punching processing to terminal product, have great power can carry out tooth punching processing to a plurality of products, can guarantee simultaneously that the level of tooth mouth from top to bottom adopts the cylinder as driving adjustment mechanism in addition, convenient operation, stability is strong, economic benefits is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic diagram of the structure of the present utility model.

Fig. 3 is a schematic side view of the present utility model.

Fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

In the figure: 1a bracket, 11 an air cylinder, 12 a lower pressing block, 13 a rack, 14 a gear, 15 a rotating shaft, 16 a first hinging rod, 17 a second hinging rod, 18 a connecting rod, 19 a lever, 2 an upper connecting plate, 21 an upper cutter, 22 a lower connecting plate and 23 a lower cutter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a gear tooth punching mechanism, includes support 1, install cylinder 11 on the support 1, cylinder 11 below is connected with down briquetting 12, the briquetting 12 downside is provided with rack 13 down, rack 13 side meshing has gear 14, gear 14 and the coaxial fixed connection of pivot 15, during operation makes down briquetting 12 drive rack 13 and moves down through switch start cylinder 11, and rack 23 drive gear 14 is rotatory at this in-process.

The rotary shaft 15 is sleeved with a first hinging rod 16, the end part of the first hinging rod 16 is hinged with a second hinging rod 17, the other end of the second hinging rod 17 is hinged with two connecting rods 18, the other ends of the connecting rods 18 are connected with levers 19, the two levers 19 are respectively connected with an upper connecting plate 2 and a lower connecting plate 22, and an upper cutter 21 and a lower cutter 23 are respectively arranged on the upper connecting plate 2 and the lower connecting plate 22. The gear 14 drives the first hinging rod 16 and the second hinging rod 17 to combine into an adjusting mechanism through the rotating shaft 15 connected with the gear 14 to push the two connecting rods 18 to the side, one end of the connecting rod 18 away from the second hinging rod 17 moves up and down along the vertical direction, so that the lever 19 is driven to rotate along the connecting part with the bracket 1, in the process, the other end of the lever 19 drives the upper connecting plate 2 and the lower connecting plate 22 to move towards the direction approaching to each other, and then the upper cutter 21 and the lower cutter 23 are pushed to simultaneously perform tooth punching treatment on the upper side and the lower side of a workpiece.

Through setting up the gear toggle mechanism that structures such as cylinder 11, briquetting 12, rack 13, gear 14, pivot 15, first articulated rod 16, second articulated rod 17, connecting rod 18, lever 19 constitute, utilize the structure cooperation characteristic of rack and pinion, convert the rectilinear motion of cylinder 11 into the synchronous motion of two levers 19, carry out the tooth processing to terminal product, have great power to carry out the tooth processing to a plurality of products, can guarantee simultaneously that the leveling of tooth mouth from top to bottom.

In the above scheme, the lower pressing block 12 is movably connected with the inner wall of the bracket 1.

In the above scheme, the gear 14 is rotatably connected with the bracket 1 through a shaft pin.

In the above scheme, the middle part of the lever 19 is rotatably connected with the bracket 1 through a shaft pin.

In the above scheme, the end part of the lever 19 is respectively hinged and matched with the upper connecting plate 2 and the lower connecting plate 22 through shaft pins.

In the above scheme, a chute is formed in the side surface of the bracket 1, and the upper connecting plate 2 and the lower connecting plate 22 are correspondingly clamped in the chute.

In the above scheme, the cylinder 11 is externally connected with an electric control mechanism.

Working principle:

In the gear tooth punching mechanism, when a workpiece is punched, the workpiece is placed between an upper cutter 21 and a lower cutter 23, a switch is used for starting an air cylinder 11 to enable a lower pressing block 12 to drive a rack 13 to move downwards, the rack 23 drives a gear 14 to rotate in the process, the gear 14 drives an adjusting mechanism formed by combining a first hinging rod 16 and a second hinging rod 17 through a rotating shaft 15 connected with the gear 14 to push two connecting rods 18 to the side, one end of the connecting rod 18 far away from the second hinging rod 17 moves up and down along the vertical direction, so that a lever 19 is driven to rotate along a connecting part with a bracket 1, in the process, the other end of the lever 19 drives an upper connecting plate 2 and a lower connecting plate 22 to move towards the direction close to each other, the upper cutter 21 and the lower cutter 23 are driven to simultaneously perform tooth punching processing on the upper side and the lower side of the workpiece, the rack 13 continues to move after the lever 19 moves to a limit position, the machined workpiece is taken out by a user, and the operation is repeated until the rest workpiece is finished.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Gear tooth punching mechanism, including support (1), its characterized in that: install cylinder (11) on support (1), cylinder (11) below is connected with down briquetting (12), briquetting (12) downside is provided with rack (13) down, rack (13) side meshing has gear (14), gear (14) and pivot (15) coaxial fixed connection, the cover is equipped with first articulated rod (16) on pivot (15), first articulated rod (16) tip articulates there is second articulated rod (17), the articulated two connecting rods (18) that have of second articulated rod (17) other end, the connecting rod (18) other end is connected with lever (19), and two levers (19) are connected with upper junction plate (2) and lower junction plate (22) respectively, and install upper cutter (21) and lower cutter (23) on upper junction plate (2) and lower junction plate (22) respectively.

2. A gear tooth system according to claim 1, wherein: the lower pressing block (12) is movably connected with the inner wall of the bracket (1).

3. A gear tooth system according to claim 1, wherein: the gear (14) is rotationally connected with the bracket (1) through a shaft pin.

4. A gear tooth system according to claim 1, wherein: the middle part of the lever (19) is rotationally connected with the bracket (1) through a shaft pin.

5. A gear tooth system according to claim 1, wherein: the end part of the lever (19) is respectively hinged and matched with the upper connecting plate (2) and the lower connecting plate (22) through shaft pins.

6. A gear tooth system according to claim 1, wherein: the side of the bracket (1) is provided with a chute, and the upper connecting plate (2) and the lower connecting plate (22) are correspondingly clamped in the chute.

7. A gear tooth system according to claim 1, wherein: the cylinder (11) is externally connected with an electric control mechanism.