CN219703134U

CN219703134U - Small-sized manual punching machine

Info

Publication number: CN219703134U
Application number: CN202320739900.2U
Authority: CN
Inventors: 黄传军
Original assignee: Mianyang Hengchi Technology Co ltd
Current assignee: Mianyang Hengchi Technology Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-09-19
Anticipated expiration: 2033-04-06

Abstract

Compared with manual feeding in the prior art, the utility model provides a realization mode of a manual punching machine with simpler and more stable structure.

Description

Small-sized manual punching machine

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a small-sized manual punching machine.

Background

The punching machine can be used in the process of manufacturing stamping parts, the punching machine can be divided into various types according to a transmission structure, one of the punching machines is a small-sized punching machine driven by manual operation, and the small-sized punching machine has the characteristics of small size and convenient use and can be used when manufacturing stamping parts which do not need to be manufactured in a large amount.

The Chinese patent with the publication number of CN 206326886 discloses a manual punching machine, in the technical scheme, through the structure provided with a cylindrical cam, a driving rod is rotated to drive a driving shaft to rotate, the rotation of the driving shaft drives a second bevel gear to rotate, the second bevel gear rotates to drive a first bevel gear to rotate, thereby driving a rotating shaft to rotate, the cylindrical cam rotates, a curve groove on the cylindrical cam drives a driven rod to move downwards, so that a sliding block moves downwards, a punching head is in contact with a product, punching is completed, and after punching is finished, the sliding block is automatically reset through the arrangement of a reset spring.

The scheme can realize the purpose of manually completing stamping, but has a complex structure and high failure rate of the gear transmission group; in the actual stamping of products, according to different structures of the products, the stamping depth of the stamping head on the products is standard, and in the actual operation process, if the stamping quantity is controlled by manpower, the rejection rate of the products is extremely high, and a limiting device for limiting the downward moving distance length of the sliding block is not arranged in the scheme.

The above information disclosed in the background section is only for enhancement of understanding of the background art from the technology described herein and, therefore, may contain some information that does not form the prior art that is already known in the country to a person of ordinary skill in the art.

Disclosure of Invention

Therefore, the utility model aims to provide a manual punching machine in different forms from the prior art, which simplifies the prior structure, has simple operation and convenient use and has certain production and utilization values.

The technical scheme adopted by the utility model is as follows:

a small hand punch comprising: the device comprises a supporting seat, a stamping frame, a sliding block and a sliding block driving device, wherein the sliding block is arranged in the stamping frame, the sliding block driving device is used for driving the sliding block to move, the sliding block driving device comprises a gear which is rotatably arranged in the stamping frame through an intermediate shaft, one side of the sliding block is provided with a vertical tooth structure which is in meshed connection with the gear, and one end of the intermediate shaft of the gear is fixedly connected with a rotating handle.

In a specific technical scheme, the supporting seat comprises a bottom plate and a support column, and the stamping frame is sleeved and fixed on the support column.

In specific technical scheme, the punching press frame includes body, sleeve portion and the fixed spring support that sets up the body upside, be provided with the spout of vertical direction in the body, slider slidable mounting is in this spout, and one side of the inside spout of body still is provided with the cavity that is used for assembling the gear, the gear is installed in this cavity through jackshaft (16) rotation level.

In the specific technical scheme, one side of the sliding block, which is close to the gear, is provided with an inward concave vertical tooth which is just meshed and connected with the outer ring tooth of the gear.

In the specific technical scheme, the spring-type sliding block comprises a sliding block, and is characterized by further comprising a spring reset structure, wherein the spring reset structure is a reset spring positioned above the sliding block, one end of the reset spring is fixedly connected with the top of the sliding block, and the other end of the reset spring is fixedly connected with a spring frame.

In specific technical scheme, still include limit structure, limit structure is including fixed the last limiting plate that sets up at the slider top to and fixed the lower limiting plate that sets up on the body top, be provided with a plurality of limit bolts between last limiting plate and the lower limiting plate, limit bolt installs on last limiting plate.

In a specific technical scheme, the upper limiting plate is provided with two threaded holes, the threaded holes are oppositely arranged at two sides of the upper limiting plate, and the limiting bolt is in threaded connection with the threaded holes

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

compared with manual feeding in the prior art, the manual punching machine has the advantages that the manual punching machine is simpler in structure and more stable in structure, in the structure, the gear rack mechanism is arranged, the downward movement of the driving punching head is realized, the punching is completed, in the punching process, the limiting mechanism is arranged, the downward maximum displacement of the punching head can be accurately regulated and controlled, a worker can complete the punching operation only by rotating the rotating handle, the number of defective products is small, the completion of one-time punching is realized, the sliding block automatically restores to the initial state under the action of the reset spring, a new product to be processed is replaced on a workpiece, the next punching can be continued, and the working efficiency is improved.

Drawings

The utility model will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a small and medium sized manual punching machine according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a rack and pinion mechanism according to one embodiment of the utility model;

fig. 3 is a schematic structural diagram of a limiting structure according to an embodiment of the present utility model.

Reference numerals:

a base plate-1; a pillar-2; a body-3; a sleeve portion-4; a connecting rod-5; a spring frame-6;

rotating the handle-7; a return spring-8; a workpiece stamping head-9; fixing a tool-10; gear-11;

vertical teeth-12; an upper limit plate-13; a lower limit plate-14; limit bolts-15; an intermediate shaft-16.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In describing embodiments of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is conventionally put in place when used, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The present utility model will be described in detail with reference to fig. 1 to 3.

Example 1

A small hand punch, referring to fig. 1, comprising: including the supporting seat, the supporting seat includes bottom plate 1 and pillar 2, pillar 2 is vertical direction, fixed connection is on bottom plate 1, the cover is established on pillar 2 and is fixed with a punching press frame, and punching press frame includes body 3 and sleeve portion 4, and sleeve portion 4 cover is established and is fixed on pillar 2, and adjustable its height locks through the bolt, connect through connecting rod 5 between body 3 and the sleeve portion 4, be provided with the spout of vertical direction in the body 3, sliding connection has a slider in the spout, still is provided with the slider drive arrangement that is used for driving the slider motion in the body 3, and the lower tip of slider is provided with punching press head 9, installs work piece fixed frock 10 on corresponding bottom plate 1, and work piece fixed frock 10 is located punching press head 9 under, is used for fixed the waiting punching press product on the work piece fixed frock 10.

The working principle is as follows:

the product to be punched is fixedly arranged on the workpiece fixing tool 10, the height of the sleeve part 4 on the support column 2 is adjusted, the sleeve part is locked through a bolt, the sliding block is driven to move downwards along the axis direction of the sliding groove through the sliding block driving device, the punching head 9 is in contact with the product, and the punching head 9 and the sliding block exert downward pressure on the product together, so that a punching effect is caused.

Example 2

On the basis of the scheme of embodiment 1, there is further provided an embodiment of the slider driving device, referring to fig. 2, the slider driving device includes: a cavity for assembling the gear 11 is further formed in one side of the sliding groove in the body 3, the gear 11 is horizontally installed in the cavity in a rotating mode through an intermediate shaft 16, a vertical tooth structure is arranged on one side, close to the gear 11, of the sliding block, the vertical tooth 12 is just meshed with an outer ring tooth of the gear 11, and the gear 11 rotates to drive the sliding block to reciprocate along the axis direction of the sliding groove; in order to facilitate the worker to rotate the gear 11, one end of the intermediate shaft 16 of the gear 11 is connected with a rotating handle 7; in order to ensure that the vertical tooth structure on the slider is not interfered by the runner, it is necessary to provide the vertical tooth structure as an inwardly recessed vertical tooth 12.

The working principle is as follows:

the workman operates rotation handle 7 to anticlockwise rotation, and rotation handle 7 drives gear 11 anticlockwise rotation through jackshaft 16, and then drives the slider and follow the axis direction downward movement of spout, makes punching press head 9 and product contact, and punching press head 9 and slider exert decurrent pressure to the product together, causes the punching press effect.

Example 3

On the basis of the solutions of embodiments 1 and 2, an implementation manner of the spring return structure is further provided, when the slider moves downward to complete the stamping operation, a structure needs to be provided, so that the slider can be restored to the initial position so as to circularly complete the stamping of the next product, so that the small-sized manual punching machine further comprises the spring return structure, referring to fig. 1, the spring return structure is a return spring 8 located above the slider, one end of the return spring 8 is fixedly connected with the top of the slider, the other end of the return spring is fixedly connected with the spring frame 6, when the slider is pressed down, the return spring 8 will perform a restoring process, when the slider is not pressed down, the return spring 8 will pull the slider back to the initial position, so that the stamped product is conveniently taken out, and a new product is placed on the workpiece so as to circularly perform the next stamping process, and efficiency is provided.

The return spring 8 can use a common cylindrical tension spring in the market, and the spring can well achieve the effect of resetting the sliding block, and is very convenient to manufacture.

Example 4

On the basis of the schemes of embodiments 1, 2 and 3, an implementation manner of a limiting structure is further provided, in the actual stamping of a product, according to the different structure of the product, the stamping depth of the stamping head 9 on the product is standard, in the actual operation process, if the stamping quantity is controlled by manpower, the rejection rate of the product is extremely high, so that a specific limiting device for limiting the downward displacement of the sliding block needs to be arranged, referring to fig. 3, the limiting structure comprises an upper limiting plate 13 fixedly arranged at the top of the sliding block, and a lower limiting plate 14 fixedly arranged at the top end of the sleeve part 4, the upper limiting plate 13 and the lower limiting plate 14 can be round or rectangular in shape, a plurality of threaded holes are formed in the upper limiting plate 13, limiting bolts 15 are installed in the threaded holes, when the sliding block is displaced downward, the bottom of the limiting bolts 15 is abutted against the lower limiting plate 14, the maximum displacement distance of the sliding block is completed, and the downward displacement distance of the sliding block is controlled by adjusting the distance between the bottom of the limiting bolts 15 and the lower limiting plate 14; in order to ensure the stability of the limiting structure, the limiting bolts 15 should be arrayed around the upper limiting plate 13, in this embodiment, the upper and lower limiting plates 14 have rectangular shapes, so two threaded holes are selected, and are disposed on two opposite sides of the upper limiting plate 13.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A small hand punch comprising: the device is characterized in that the sliding block driving device comprises a gear which is rotatably arranged in the stamping frame through an intermediate shaft, one side of the sliding block is provided with a vertical tooth structure which is in meshed connection with the gear, and one end of the intermediate shaft of the gear is fixedly connected with a rotating handle.

2. The small-sized hand punch as claimed in claim 1, wherein the supporting base comprises a bottom plate and a supporting column, and the punching frame is sleeved and fixed on the supporting column.

3. The small-sized manual punching machine according to claim 1, wherein the punching frame comprises a body, a sleeve portion and a spring frame fixedly arranged on the upper side of the body, a sliding groove in the vertical direction is arranged in the body, a sliding block is slidably arranged in the sliding groove, a cavity for assembling a gear is further formed in one side of the sliding groove in the body, and the gear is horizontally arranged in the cavity through rotation of an intermediate shaft.

4. A small hand punch as claimed in claim 3, wherein the side of the slide block adjacent to the gear is provided with an inwardly recessed vertical tooth which is just in meshed engagement with the outer ring teeth of the gear.

5. A small hand punch as recited in claim 3, further comprising a spring return structure, the spring return structure being a return spring located above the slide, one end of the return spring being fixedly connected to the top of the slide and the other end being fixedly connected to the spring frame.

6. The small-sized manual punching machine according to claim 3, further comprising a limiting structure, wherein the limiting structure comprises an upper limiting plate fixedly arranged at the top of the sliding block and a lower limiting plate fixedly arranged at the top end of the body, a plurality of limiting bolts are arranged between the upper limiting plate and the lower limiting plate, and the limiting bolts are arranged on the upper limiting plate.

7. The small-sized manual punching machine according to claim 6, wherein the upper limiting plate is provided with two threaded holes, the threaded holes are oppositely arranged on two sides of the upper limiting plate, and the limiting bolts are in threaded connection with the threaded holes.