CN209579655U - Reciprocating centering cutting mechanism - Google Patents

Abstract

The utility model discloses a kind of reciprocal cutting mechanisms placed in the middle, including fixed frame, actuator, upper laminated structure, guide post, lower die structure, buffer structure, connection structure, elastic component, bearing spider and cutter, actuator and guide post are installed on fixed frame, upper laminated structure, lower die structure and buffer structure are slidably mounted on guide post, actuator is fixedly connected with upper laminated structure and upper laminated structure is driven to move up and down, elastic component both ends contact at laminated structure and lower die structure respectively, cutter is installed on lower die structure, material strip is between upper laminated structure and buffer structure, actuator drives upper laminated structure mobile, after connection structure drives buffer structure to contact at laminated structure, actuator, which continues running, makes elastic component be in compressive state, cutter cuts material strip.It drives connection structure to move upper laminated structure and lower die structure synchronous on-off around bearing spider rotation by actuator, is consistent blank height, solve the problems, such as to cut inconvenience caused by material strip thickness is different.

Description

Reciprocating centering cutting mechanism

technical field

The utility model relates to the field of cutting, in particular to a reciprocating centering cutting mechanism.

Background technique

At present, when roll or strip materials such as paper and film need to be cut into small pieces, the traditional general cutting method is to place the strip materials on the lower template, the lower template is fixed, and a fixed blade is installed on the upper template. , the upper template moves up and down through the power source, and the strip-shaped material is cut off by the dynamic cutting fixed on the upper template.

When cutting the strip material normally, the height of the center of the strip material outlet is consistent with the height of the cutter when the upper and lower molds are closed. If the height of the center of the discharge port of the strip-shaped material is fixed, but the thickness of the strip-shaped material changes, the lower template of the traditional cutting mechanism is fixed, and the traditional general-purpose cutting mechanism cannot adapt. The reason for the incompatibility is Because the thickness of the strip material becomes thicker, it will interfere with the height of the lower template of the cutting mechanism. And in order to ensure normal operation, the strip material is always placed on the upper surface of the fixed lower formwork, so the height of the cutter cannot be kept consistent with the central height of the strip material discharge port. Existing cutting equipment cannot be applied to various strip materials with different thicknesses, and the cutting knives need to be replaced repeatedly, which is inconvenient for cutting.

Utility model content

In order to overcome the deficiencies of the prior art, one of the purposes of the utility model is to provide a reciprocating centered cutting mechanism, which can solve the problem of inconvenient cutting.

One of purpose of the utility model adopts following technical scheme to realize:

A reciprocating centering cutting mechanism, including a fixed frame, a driving part, an upper pressing structure, a guide column, a lower mold structure, a buffer structure, a connecting structure, an elastic member, a bearing support and a cutter, the driving part and the guide The column is installed on the fixed frame, the upper pressing structure, the lower mold structure and the buffer structure are slidably installed on the guide column, the driving part is fixedly connected with the upper pressing structure and drives the upper pressing structure to move up and down, The upper pressing structure and the lower die structure are respectively connected to the bearing support through the connecting structure, the two ends of the elastic member are respectively in contact with the upper pressing structure and the lower die structure, and the cutter Installed on the lower mold structure, the material belt is located between the upper pressing structure and the buffer structure, the driving part drives the upper pressing structure to move, and the connecting structure drives the buffering structure against the upper pressing structure. After pressing the structure, the driving member continues to operate to keep the elastic member in a compressed state, and the cutter cuts the material tape.

Further, the reciprocating centering cutting mechanism also includes a limiter and a small guide post, one end of the limiter is in contact with the lower mold structure, and the other end is fixed to the buffer structure; the cutting knife passes through the The small guide post is fixed on the lower mold structure.

Further, the limiting member is a screw, the small guide post is slidably accommodated in the buffer structure, and the buffer structure is in clearance fit with the small guide post.

Further, the reciprocating centering cutting mechanism further includes a nut, the nut is installed at the end of the small guide post, and the nut interferes with the lower mold structure.

Further, the fixing frame includes an upper fixing plate, a side fixing plate and a lower fixing plate, and the upper fixing plate and the lower fixing plate are fixedly connected by the side fixing plate.

Further, the upper pressing structure includes an upper mold plate, an upper pressure block of the material belt and an upper linear bearing, the upper pressure block of the material belt and the upper linear bearing are installed on the upper mold plate, and the guide post is slidably accommodated in the upper mold plate. The upper linear bearing; the lower mold structure includes a lower template and a lower mold linear bearing, the lower mold linear bearing is fixed on the lower template, and the guide post is slidably accommodated in the lower mold linear bearing; the buffer structure It includes a buffer plate, a buffer linear bearing, and a lower pressure block of the material tape. The buffer linear bearing and the lower pressure block of the material tape are installed on the buffer plate, and the guide post is slidably accommodated in the buffer linear bearing.

Further, the upper pressing block of the material tape and the lower pressing block of the material tape are respectively provided with grooves, and the cutting knife slides up and down along the grooves for cutting.

Further, the connection structure includes a joint bearing connection part and a joint bearing, the joint bearing connection part is connected with the joint bearing, and the joint bearing connection part is connected with the bearing support.

Further, the bearing support includes a connecting piece, the two ends of the connecting piece are respectively connected with the joint bearing connecting piece, the driving piece is a cylinder, and the driving piece drives the upper pressure structure, the joint bearing The connecting piece and the lower mold structure are opened and closed synchronously.

Further, the stroke of the driving member is greater than half of the distance from the upper pressing structure to the buffer structure.

Compared with the prior art, the beneficial effects of the utility model are:

The cutter is installed on the lower mold structure, the material belt is located between the upper pressing structure and the buffer structure, the driving part drives the upper pressing structure to move, and the connecting structure drives the buffer structure to resist After the press-up structure, the driving member continues to operate to keep the elastic member in a compressed state, and the cutting knife cuts the material tape. The driving part drives the connecting structure to rotate around the bearing support so that the upper pressing structure and the lower die structure are opened and closed synchronously, so that the cutting height is kept consistent, and the cutting problem caused by the different thickness of the material strip is solved. Inconvenient question.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

Fig. 1 is the structural diagram of the reciprocating centering cutting mechanism of the utility model in an open state;

Fig. 2 is a side view structural diagram of the reciprocating centering cutting mechanism shown in Fig. 1;

Fig. 3 is a sectional view of the section A-A of the reciprocating centering cutting mechanism shown in Fig. 1;

Fig. 4 is another structural diagram of the reciprocating centering cutting mechanism shown in Fig. 1;

Fig. 5 is an enlarged view of A in the reciprocating centering cutting mechanism shown in Fig. 4;

Fig. 6 is an enlarged view of B in the reciprocating centering cutting mechanism shown in Fig. 5;

Fig. 7 is a perspective view of the reciprocating centering cutting mechanism shown in Fig. 5;

Fig. 8 is a structural diagram of the reciprocating centering cutting mechanism of the utility model in a closed state;

Fig. 9 is a side view structural diagram of the reciprocating centering cutting mechanism shown in Fig. 8;

Fig. 10 is a cross-sectional view of the B-B section of the reciprocating centering cutting mechanism shown in Fig. 8;

Fig. 11 is another structural diagram of the reciprocating centering cutting mechanism shown in Fig. 8;

Fig. 12 is an enlarged view of A in the reciprocating centering cutting mechanism shown in Fig. 11;

Fig. 13 is an enlarged view of point B in the reciprocating centering cutting mechanism shown in Fig. 11 .

In the figure: 10, fixed frame; 11, upper fixed plate; 12, side fixed plate; 13, lower fixed plate; 20, driving part; 30, upper pressure structure; 31, upper template; 33. Upper linear bearing; 40. Guide column; 50. Lower mold structure; 51. Lower template; 52. Lower mold linear bearing; 60. Buffer structure; 61. Buffer plate; 62. Buffer linear bearing; 63. Lower material belt Briquetting block; 70, connection structure; 71, joint bearing connector; 72, joint bearing; 80, elastic member; 90, bearing support; 91, cutter; 92, limit piece; 93, small guide post; 94, Nut; 95, connector; 200, strip.

Detailed ways

Below, the utility model will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, on the premise of not conflicting, the various embodiments or technical features described below can be combined arbitrarily to form new implementations. example.

It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Figure 1-13, a reciprocating centered cutting mechanism, including a fixed frame 10, a driving member 20, an upper pressing structure 30, a guide post 40, a lower die structure 50, a buffer structure 60, a connecting structure 70, an elastic member 80, The bearing support 90 and the cutter 91, the driving member 20 and the guide post 40 are installed on the fixed frame 10, and the upper pressing structure 30, the lower mold structure 50 and the buffer structure 60 are slidably installed on the guide post 40, the driving member 20 is fixedly connected with the upper pressing structure 30 and drives the upper pressing structure 30 to move up and down, the upper pressing structure 30 and the lower mold structure 50 are respectively connected to the upper pressing structure 70 through the connecting structure 70 The bearing support 90 is connected, the two ends of the elastic member 80 are respectively in contact with the upper pressing structure 30 and the lower die structure 50, the cutter 91 is installed on the lower die structure 50, and the material belt 200 is located in the Between the upper pressing structure 30 and the buffer structure 60, the driving member 20 drives the upper pressing structure 30 to move, and the connecting structure 70 drives the buffer structure 60 to collide with the upper pressing structure 30, the The driving member 20 continues to operate so that the elastic member 80 is in a compressed state, and the cutter 91 cuts the material strip 200 . The driving member 20 drives the connecting structure 70 to rotate around the bearing support 90 to make the upper pressing structure 30 and the lower die structure 50 open and close synchronously, so that the cutting height is kept consistent, and the material belt is solved. 200 The problem of inconvenient cutting caused by different thicknesses.

Preferably, the reciprocating centering cutting mechanism further includes a limiter 92 and a small guide post 93, one end of the limiter 92 is in contact with the lower mold structure 50, and the other end is fixed to the buffer structure 60; The cutter 91 is fixed to the lower mold structure 50 through the small guide post 93 . Specifically, the limiting member 92 is a screw, the small guide post 93 is slidably accommodated in the buffer structure 60 , and the buffer structure 60 is in clearance fit with the small guide post 93 . It not only guarantees the guiding requirement, but also limits the position of the lower mold structure 50 , and has strong applicability.

Preferably, the reciprocating centering and cutting mechanism further includes a nut 94 installed on the end of the small guide post 93 , and the nut 94 interferes with the lower mold structure 50 . The small guide post 93 is prevented from protruding, and the reset is accurate and convenient.

Preferably, the fixing frame 10 includes an upper fixing plate 11 , a side fixing plate 12 and a lower fixing plate 13 , the upper fixing plate 11 and the lower fixing plate 13 are fixedly connected by the side fixing plate 12 , and the structure is strong.

Preferably, the upper pressing structure 30 includes an upper template 31, an upper pressing block 32 of the material belt and an upper linear bearing 33, and the upper pressing block 32 of the material belt and the upper linear bearing 33 are installed on the upper template 31, so that The guide post 40 is slidably accommodated in the upper linear bearing 33; the lower mold structure 50 includes a lower mold plate 51 and a lower mold linear bearing 52, the lower mold linear bearing 52 is fixed on the lower mold plate 51, and the guide column 40 is slidably housed in the lower mold linear bearing 52; the buffer structure 60 includes a buffer plate 61, a buffer linear bearing 62, and a material belt lower pressure block 63, and the buffer linear bearing 62 and the material belt lower pressure block 63 are installed In the buffer plate 61 , the guide post 40 is slidably accommodated in the buffer linear bearing 62 . The buffer linear bearing 62 ensures the smoothness of sliding, and the cutting is precise and smooth.

Preferably, the upper pressing block 32 of the material tape and the lower pressing block 63 of the material tape are respectively provided with grooves, and the cutting knife 91 slides up and down along the grooves for cutting. The groove is used for cutting avoidance, and at the same time has a guiding function.

Preferably, the connection structure 70 includes a joint bearing connection part 71 and a joint bearing 72 , the joint bearing connection part 71 is connected with the joint bearing 72 , and the joint bearing connection part 71 is connected with the bearing support 90 . The bearing support 90 includes a connecting piece 95, the two ends of the connecting piece 95 are respectively connected with the joint bearing connecting piece 71, the driving piece 20 is a cylinder, and the driving piece 20 drives the upper pressing structure 30, The joint bearing connecting part 71 and the lower mold structure 50 are opened and closed synchronously. The structure is novel, the design is ingenious, the applicability is strong, and it is easy to popularize.

Preferably, the stroke of the driving member 20 is greater than half of the distance from the upper pressing structure 30 to the buffer structure 60, specifically, the stroke of the driving member 20 is greater than that of the upper pressure block 32 and the material belt. Half of the opening height of belt lower pressing block 63. So as to ensure the cutting stroke and ensure the smooth cutting.

The above-mentioned embodiments are only preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. The scope of protection required by the utility model.

Claims (10)

1. a kind of reciprocal cutting mechanism placed in the middle, including fixed frame, actuator, upper laminated structure, guide post, lower die structure, buffer structure, Connection structure, elastic component, bearing spider and cutter, it is characterised in that: the actuator and the guide post are installed on the fixation Frame, the upper laminated structure, lower die structure and buffer structure are slidably mounted on the guide post, the actuator and the upper laminated structure It is fixedly connected and the upper laminated structure is driven to move up and down, the upper laminated structure and the lower die structure pass through the connection respectively Structure is connect with the bearing spider, and the elastic component both ends contact at the upper laminated structure and the lower die structure, institute respectively It states cutter and is installed on the lower die structure, material strip is between the upper laminated structure and the buffer structure, the actuator band It is mobile to move the upper laminated structure, after the connection structure drives the buffer structure to contact at the upper laminated structure, the driving Part, which continues running, makes the elastic component be in compressive state, and the cutter cuts the material strip.

2. reciprocal cutting mechanism placed in the middle as described in claim 1, it is characterised in that: described back and forth cutting mechanism further includes between two parties Locating part and small guide post, described locating part one end contact at the lower die structure, and the other end is fixed on the buffer structure；It is described Cutter is fixed on the lower die structure by the small guide post.

3. cutting mechanism placed in the middle as claimed in claim 2 reciprocal, it is characterised in that: the locating part is screw, described small to lead Column sliding is contained in the buffer structure, the buffer structure and the small guide post clearance fit.

4. reciprocal cutting mechanism placed in the middle as claimed in claim 3, it is characterised in that: stating reciprocal cutting mechanism placed in the middle further includes spiral shell Mother, the nut are installed on the small guide post end, and the nut contacts at the lower die structure.

5. reciprocal cutting mechanism placed in the middle as described in claim 1, it is characterised in that: the fixed frame includes upper mounted plate, side Fixed plate and bottom plate, fixed plate and the bottom plate are fixedly connected by side fixed plate.

6. reciprocal cutting mechanism placed in the middle as described in claim 1, it is characterised in that: the upper laminated structure includes cope plate, material Band upper holder block and upper straight bearing, the material strip upper holder block and the upper straight bearing are installed on the cope plate, described Guide post sliding is contained in the upper straight bearing；The lower die structure includes lower template and lower die linear bearing, the lower die Linear bearing is fixed on the lower template, and the guide post sliding is contained in the lower die linear bearing；The buffer structure includes Buffer board, buffering linear bearing, material strip lower lock block, the buffering linear bearing and the material strip lower lock block are installed on the buffering Plate, the guide post sliding are contained in the buffering linear bearing.

7. reciprocal cutting mechanism placed in the middle as described in claim 1, it is characterised in that: under the material strip upper holder block and the material strip Briquetting opens up fluted respectively, and the cutter is slided up and down along the groove and cut.

8. reciprocal cutting mechanism placed in the middle as claimed in claim 7, it is characterised in that: the connection structure includes that oscillating bearing connects Fitting and oscillating bearing, the oscillating bearing connector are connect with the oscillating bearing, the oscillating bearing connector with it is described Bearing spider connection.

9. reciprocal cutting mechanism placed in the middle as claimed in claim 8, it is characterised in that: the bearing spider includes connector, institute It states connector both ends to connect with the oscillating bearing connector respectively, the actuator is cylinder, described in the actuator drive Upper laminated structure, the oscillating bearing connector and the movement of lower die structure synchronous on-off.

10. reciprocal cutting mechanism placed in the middle as claimed in claim 9, it is characterised in that: the stroke of the actuator is greater than described Half of the upper laminated structure to the buffer structure distance.