TW201620793A - Dual axis mold frame lifting mechanism of a packing machine - Google Patents

Abstract

This invention is a dual axis mold frame lifting mechanism of a packing machine. The dual axis mold frame lifting mechanism is installed within a sealing assembly which is set up at the packing machine platform. The lifting mechanism is assembled at the bottom of the lower mold cavity. The lifting mechanism comprises: a base, two guide rods, a slide base, and a linkage assembly. The top parts of each guide rods are individually set up at the bottom location of two lateral sides of an upper mold cavity correspondingly; moreover, the bottom part of each guide rods are individually assembled at the base. The slide base is assembled in the corresponding bottom part of the lower mold cavity. Both end sides of the slide base match correspondingly and sleeve over each guide rods; therefore, the slide base and the lower mold cavity can perform reciprocated vertical movement between the upper mold cavity and the base. In addition, the linkage assembly is pivoted between the slide base and the base, and is connected to a pneumatic cylinder, which provides the power to drive a reciprocated straight line vertical motion between the slide base and the lower mold cavity.

Description

Double-axis formwork lifting mechanism of packaging machine

[0001] This creation relates to a packaging machine, and more particularly to a two-axis mold base lifting mechanism that can stabilize the operation of the mold base.

[0002] According to the conventional food packaging machine, if the applicant of this case submitted the "vacuum packaging and sealing mechanism improvement" to the bureau, it was announced as M350510, and its main structure is based on a conveyor. The table is provided with a sealing mechanism on the conveying device to match the packaging operation of the machine running machine of the machine.

[0003] However, when the conventional sealing mechanism is actuated, the box to be packaged is guided through the conveying device to the top surface of the lower die member between the sealing mechanism, and is actuated by the lifting of the upper and lower die holders. The sealing film is sealed with the periphery of the casing. Since the lifting and lowering of the lower mold base has a long stroke, the offset is liable to cause the adhesion of the upper and lower mold bases to be poorly matched, and the packaging film sealing effect is poor. In severe cases, it may also cause damage to the lower mold base.

[0004] Furthermore, the conventional food packaging machine usually has a hydraulic cylinder as a power source in the lower mold base, so that the lower mold base can be displaced toward the upper mold base to achieve the packaging and packaging operation; When the mechanism is in operation, the hydraulic cylinder is prone to the problem of leakage of hydraulic oil and oil in the operating environment, which even causes the sanitation of the packaging film. In serious cases, it may cause contamination of the food to be packaged, so The effect of external dirt contamination is indeed necessary for further improvement.

In view of this, the creator has been actively researching and improving the experience of manufacturing and designing related products for many years, and has repeatedly improved the shortcomings of the conventional structure by repeatedly making and testing physical samples. Complete this creation.

[0006] The present invention provides a two-axis mold base lifting mechanism of a packaging machine, and the problem to be solved is that the sealing of the upper and lower mold bases is poor for a long time operation of the conventional sealing mechanism, and the hydraulic pressure thereof The shortcomings of oil and gas leakage pollution, this creation is aimed at the problem of the conventional food packaging machine, and research and development improvement breakthrough;

[0007] According to the above-mentioned creative purpose, the present invention is a double-axis formwork lifting mechanism of a packaging machine, which is assembled in a film-sealing machine of a packaging machine, wherein the film-sealing unit includes an upper mold groove. And a lifting mechanism is disposed at a bottom of the lower mold groove, the lifting mechanism includes a base, two guiding rods, a sliding seat and a connecting rod assembly, wherein the lifting system is a base composed of a frame; each of the guide rod top ends is respectively disposed at a bottom end position of the upper mold groove, and each of the guide rod bottom ends is correspondingly disposed on the base; the sliding seat corresponding group Provided on the bottom of the lower mold groove, wherein the guide rods are respectively arranged on the opposite ends of the sliding seat, so that the sliding seat and the lower mold groove can reciprocate between the upper mold groove and the base. And the connecting rod assembly is pivotally disposed between the sliding seat and the base, and the connecting rod assembly is connected with at least one pneumatic cylinder to drive the sliding seat and the lower mold groove to reciprocate linear lifting movement.

[0008] Hereinafter, the structure, function, and expected effect of each component of the present invention will be described in detail with reference to the specific embodiments illustrated in the accompanying drawings.

[0019]

10‧‧‧ machine

20‧‧‧film sealing mechanism

21‧‧‧Upper mold slot

22‧‧‧ lower mold slot

23‧‧‧ Lifting mechanism

231‧‧‧Slide

2311‧‧‧guide sliding lugs

2313‧‧‧ bottom

232‧‧‧guides

2321‧‧‧ Fixed plate

2324‧‧‧ positioning clamp

2325‧‧‧ top surface

240‧‧‧ linkage assembly

241‧‧‧First Link Group

2411‧‧‧First shaft pin

2412‧‧‧Second shaft pin

2413‧‧‧First connecting rod

242‧‧‧ Connecting rod

2421‧‧‧third shaft pin

2422‧‧‧fourth pin

243‧‧‧Second linkage

2431‧‧‧5th pin

2432‧‧‧second link

250‧‧‧ pneumatic cylinder

251‧‧‧ pneumatic cylinder shaft

252‧‧‧ lifting platform

260‧‧‧Base

261‧‧‧Connector base

262‧‧‧Guide pole base

270‧‧‧Connected board

271‧‧‧ Guide slot

30‧‧‧Quick release components

31‧‧‧ Pulling parts

32‧‧‧ Positioning pin

【0009】

Fig. 1 is a perspective structural view of a double-axis formwork lifting mechanism and a packaging machine thereof of the present packaging machine.

2 is a perspective view of the sealing unit of FIG. 1 showing the initial position of the connecting rod assembly that has not been moved upward.

Figure 3 is a side view according to Figure 2.

Fig. 4 is a perspective view of the sealing unit of Fig. 1 showing a state in which the lower die groove and the upper die groove are closely bonded to each other.

Figure 5 is a side view according to Figure 4.

6 is a schematic cross-sectional view showing the assembled structure of the cavity and the sliding seat in FIG.

[0010] This creation is a two-axis mold base lifting mechanism of a packaging machine, please refer to FIG. 1 to FIG. 5, the double-axis mold base lifting mechanism of the creation packaging machine is attached to a machine platform 10. A conveying device 12 and a film unit 20 are disposed. The film sealing unit 20 is disposed at a suitable position of the conveying device 12 of the machine table 10. The corresponding film roller is arranged at the front and rear ends of the sealing unit 20. The sealing unit 20 includes: an upper mold groove 21, a lower mold groove 22 and a lifting mechanism 23; wherein, the upper mold groove 21 has The assembly is heat sealed, and the lower mold cavity 22 is internally provided with a mold carrier.

[0011] The lifting mechanism 23 is disposed at the bottom of the lower mold slot 22, wherein the lifting mechanism 23 includes a base 260, two guiding rods 232, a sliding seat 231, and a connecting rod assembly 240; The base 260 is a base composed of a frame structure, and is composed of a two-link base 261 and two guide rod bases 262. Each of the link bases 261 and each of the guide rod bases 262 are assembled into a substantially rectangular frame. The base 260 is assembled with at least one pneumatic cylinder 250, and the pneumatic cylinder shaft 251 of the pneumatic cylinder 250 is reciprocally pushed up and down to push a lifting platform 252;

[0012] The top ends of the guide rods 232 are respectively disposed at the bottom end positions of the upper mold grooves 21, and the bottom ends of the guide rods 232 are respectively disposed on the guide rod base 262, wherein each of the guide rods 232 is respectively disposed on the guide rod base 262. The bottom end of the guiding rod 232 is disposed adjacent to the base 260, and a positioning clip 2324 is disposed on the bottom of the guiding rod 232. The top end of each guiding rod 232 is adjacent to the upper mold slot 21 and is provided with a fixing plate 2321. When the lifting mechanism 23 slides When the seat 231 is lowered, the bottom surface 2313 of the sliding block 231 is pressed against the top surface 2325 of the positioning block 2324, so that the sliding block 231 is positioned corresponding to the sliding block 231 above the base 260;

[0013] The sliding block 231 is correspondingly disposed at a bottom position of the lower die groove 22, and is composed of an upper and lower integrated structure. The two ends of the sliding block 231 are correspondingly fitted to the guiding rods 232. The sliding block 231 and the lower mold groove 22 are reciprocatingly movable between the upper mold groove 21 and the base 260, wherein the fixing plate 2321 of each of the guiding rods 232 and the outer wall surface of the positioning clamping piece 2324 A connecting plate 270 is integrally assembled, and each connecting plate 270 is provided with a vertical longitudinal guiding groove 271. When the lifting mechanism 23 is actuated, the outer end of the sliding sliding block 2311 of the sliding seat 231 is correspondingly slid. In the guide groove 271, the left and right sway is prevented when the slide 231 is linearly moved up and down, so that the lifting operation of the link assembly 233 is smoother.

The connecting rod assembly 240 is pivotally connected between the sliding block 231 and the base 260, and the connecting rod assembly 240 is connected with at least one pneumatic cylinder 250 to drive the sliding block 231 and the lower mold slot 22. The reciprocating lifting action, wherein the connecting rod assembly 240 has two first link sets 241, two connecting rods 242 and two second connecting rod sets 243 in mirror symmetry, and the top and bottom ends of the first connecting rod set 241 The first shaft pin 2411 and the second shaft pin 2412 are respectively pivotally connected to the bottom end of the sliding seat 231 and the outer side of the connecting rod 242. Further, the inner side of the connecting rod 242 is connected to the inner side of the connecting rod 242. The third shaft pin 2421 is pivotally connected to the top end of the second link group 243, and the bottom end of the connecting rod 242 is pivotally connected to the top end of the base 261 of the base 260 by a fourth shaft pin 2422. The bottom end of the second link set 243 is respectively pivotally connected to the top end of the lifting platform 252 by a fifth shaft pin 2431. When the connecting rod assembly 240 is in an initial position that has not been moved upward, the The angle between the first link set 241 and the connecting rod 242 is in an acute angle state, and the connecting rod 242 and the second link set 243 The angle between the two points is also an acute angle; in addition, each of the first link sets 241 is composed of two first links 2413 of equal length and parallel to each other, and each of the first links 2413 has a predetermined distance therebetween. When the bottom end of the first link group 241 is pivotally connected to the outer side of the top end of the connecting rod 242, the connecting rod 242 is disposed between the first connecting rods 2413, and each of the second connecting rod groups 243 The second link 2432 is equal in length and parallel to each other, and each of the second links 2432 has a predetermined distance therebetween. When the top and bottom ends of the second link set 243 are respectively pivotally connected to the connecting rod 242, the inner side of the top end and the top end of the lifting platform 252, for connecting the connecting rod 242 and the lifting platform 252 between the second connecting rods 2432;

[0015] Then, the pneumatic cylinder shaft 251 of the pneumatic cylinder 250 reciprocates and pushes the lifting platform 252 in a straight line, so that the auxiliary connecting rod 235 synchronously links the connecting rod assembly 23, so that the sliding seat can be synchronously driven. 231 and the lower mold groove 22 are used for reciprocating lifting and packaging film sealing operations.

[0016] Regarding the specific dynamic sample of the double-axis formwork lifting mechanism of the present packaging machine, please refer to the accompanying drawings, when the lifting mechanism 23 starts the packaging and sealing operation, the pneumatic cylinder 250 is provided. The main lifting power of the lifting platform 252 causes the sliding block 231 to move smoothly toward the upper die groove 21, so that the connecting rod assembly 240 is provided by the first connecting rod set 241, the connecting rod 242 and the first The pivotal connection relationship between the two link sets 243 further causes the first link set 241 and the connecting rod 242 to pivot between the angles of 180 大于 or more (as shown in FIG. 5 ). The lifting device drives the sliding block 231 and the lower die groove 22 to move upwards, so that the lower die holder 22 and the upper die holder 21 can be closely engaged with the die for packaging and sealing operations, since the creation system uses two guiding rods 232. A link assembly 240 and two connecting plates 270 guide the lifting movement of the sliding block 231 and the lower die groove 22, thereby providing a stable average lifting driving force, thereby effectively ensuring the working accuracy of the machine and greatly improving the packaging product. The benefits of quality.

[0017] In addition, in practical applications, the mold groove 22 under the present invention can be replaced by the number of structures of the packaging container, and can replace the different shapes and the number of molds, as shown in Fig. 6, which shows a quick release. The assembly 30 is disposed between the lower die slot 22 and the slider 231. The quick release assembly 30 includes two pull members 31 and two positioning pins 32, wherein one end of each of the positioning pins 32 is screwed to the lower mold respectively. At the bottom end of the slot 22, the heads of the positioning pins 32 are inserted into the top end of the slider 231, and each of the pulling members 31 is used for locking and loosening locking members, and each of the pulling members 31 is The sliding member 31 is laterally slidably disposed between the lower die groove 22 and the sliding block 231. When the pulling member 31 is in a latching position, the positioning pin 32 is restrained on the pulling member 31, thereby making the lower die The slot 22 is locked and locked on the slider 231 for fast and stable assembly and positioning. When the lower slot 22 is to be removed, the positioning pin 32 can be pulled in an unlocked position, so that the lower slot 22 can be easily And quickly separated from the slider 231, achieving the purpose of quick release and saving labor and time.

[0018] In summary, from the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objectives, and it is verified that the creation is novel and progressive, and has been in compliance with the provisions of the Patent Law. Application.

20‧‧‧film sealing mechanism

21‧‧‧Upper mold slot

22‧‧‧ lower mold slot

23‧‧‧ Lifting mechanism

231‧‧‧Slide

2311‧‧‧guide sliding lugs

232‧‧‧guides

2324‧‧‧ positioning clamp

240‧‧‧ linkage assembly

242‧‧‧ Connecting rod

2422‧‧‧fourth pin

250‧‧‧ pneumatic cylinder

260‧‧‧Base

261‧‧‧Connector base

262‧‧‧Guide pole base

270‧‧‧Connected board

271‧‧‧ Guide slot

Claims (1)

A double-axis formwork lifting mechanism for a packaging machine, which is assembled in a film-sealing unit of a packaging machine, wherein the film-sealing unit comprises an upper mold groove, a lower mold groove and a lifting mechanism, and The lifting mechanism is assembled at the bottom of the lower mold groove, and the lifting mechanism comprises:
a base, which is a base composed of a frame;
a second guide rod, wherein each of the guide rod top ends is respectively disposed at a bottom end position of the upper mold groove, and each of the guide rod bottom ends is correspondingly disposed on the base;
a sliding seat, the corresponding group is disposed at the bottom of the lower mold groove, and the two ends of the sliding seat are correspondingly engaged with each of the guiding rods, so that the sliding seat and the lower molding groove can be in the upper molding groove and Reciprocating lifting movement between the bases; and,
A connecting rod assembly is pivotally connected between the sliding seat and the base, and the connecting rod assembly is connected with a pneumatic cylinder to drive the sliding seat and the lower die groove to reciprocate linear lifting movement.
2. The biaxial mold base lifting mechanism of the packaging machine according to claim 1, wherein the base comprises a two-link base and two guide rod bases, each of the link bases and each of the guide rod bases Correspondingly assembled as a base composed of a frame, and the bottom ends of the guide rods are correspondingly arranged on the bases of the guide rods, and the pneumatic cylinders are assembled on the base, and the pneumatic cylinder shafting system of the pneumatic cylinders Push up and down a lifting platform.
3. The biaxial formwork lifting mechanism of the packaging machine according to claim 2, wherein the connecting rod assembly has two first link sets, two connecting rods and two second link sets in mirror symmetry The top and bottom ends of each of the first link sets are respectively pivotally connected to the bottom end of the slide side and the outer side of each of the connecting rods by a first shaft pin and a second shaft pin, respectively. The inner side of the connecting rod is pivotally connected to the top end of the second connecting rod group by a third shaft pin, and the bottom end of each connecting rod is respectively pivotally connected to the base by a fourth shaft pin. a top end of the rod base, and a bottom end of each of the second link groups is respectively pivotally connected to a top end of the lifting platform by a fifth shaft pin. When the lifting mechanism is in an initial position that is not in operation, the first connection The angle between the rod set and the connecting rod is an acute angle, and the angle between the connecting rod and the second connecting rod group is an acute angle.
4. The biaxial formwork lifting mechanism of the packaging machine according to claim 3, wherein each of the first link sets is composed of two first links of equal length and parallel to each other, each of the first A connecting rod has a predetermined distance between the first connecting rods when the bottom end of the first connecting rod is pivotally connected to the outer side of the connecting rod.
5. The biaxial formwork lifting mechanism of the packaging machine according to claim 3, wherein each of the second link sets is composed of two second links of equal length and parallel to each other, each of the first The second connecting rod has a predetermined distance between the two ends of the connecting rod and the lifting platform when the two ends of the second connecting rod are respectively pivotally connected to the inner side of the top end of the connecting rod and the top end of the lifting platform Located between the two second links.
6. The double-axis formwork lifting mechanism of the packaging machine according to the second aspect of the invention, wherein the bottom end of each of the guiding rods is provided with a positioning clip near the base position, and the sliding seat of the lifting mechanism is lowered. In the action, the bottom surface of the slider is pressed against the top surface of the positioning clip.
7. The double-axis formwork lifting mechanism of the packaging machine according to claim 6, wherein each of the guiding rods is provided with a fixing plate near the upper die groove.
8. The double-axis formwork lifting mechanism of the packaging machine according to the seventh aspect of the invention, wherein the lifting mechanism further comprises two connecting plates, wherein the two ends of the connecting plate are respectively fixed to the fixing plate a guide plate and an outer wall surface of the positioning clamp block, wherein each of the connecting plates is provided with a vertical longitudinal guiding groove, and the two ends of the sliding seat respectively extend correspondingly with a guiding sliding protrusion, when the lifting mechanism is actuated When the sliding guide is slid in the guiding groove, the left and right swaying is prevented when the sliding line is linearly moved up and down, so that the lifting operation of the connecting rod assembly is smoother.