Die fixing mechanism of stretch film packaging machine

Abstract

The utility model relates to the technical field of die fixing mechanisms, in particular to a die fixing mechanism of a stretch film packaging machine, which is convenient for positioning and correcting the placing position of a die, improving the convenience of automatically fixing the die, improving the assembling and disassembling efficiency of the die and improving the fixing firmness of the die. Comprising a base and a guide frame, the device further comprises a power device, a driving device, a positioning device, a supporting plate, two sets of clamping arms and two sets of first vacuum suction cups, the supporting plate is installed on the guide frame in an up-down sliding mode through the power device, the upper portions of the two sets of clamping arms are installed on the supporting plate in a left-right sliding mode, and the driving device is arranged on the supporting plate and used for driving the two sets of clamping arms to move. The driving device is installed on the base and used for fixing the top face of the mold, the two first vacuum suction cups are oppositely installed on the outer side walls of the two clamping arms correspondingly, and the positioning device is installed on the base and used for positioning the mold before fixing.

Description

Technical Field

[0001] The utility model relates to the technical field of a mold fixing mechanism, in particular to a mold fixing mechanism for a stretch film packaging machine. Background Art

[0002] As an important packaging equipment, the performance stability and working efficiency of the stretch film packaging machine directly affect the packaging quality and production efficiency of the product. The traditional stretch film packaging machine mold fixing mechanism mostly adopts fasteners such as bolts and nuts, which has poor operation convenience.

[0003] As in the patent with prior art authorization announcement number CN219583342U, the utility model relates to the field of mold supports, and discloses a mold fixing support, including: a main support, the bottom inner wall of the main support contacts with a lower mold, a hydraulic cylinder is fixedly arranged on the top of the main support, a top plate is fixedly arranged on the hydraulic rod of the hydraulic cylinder, the bottom of the top plate contacts with a connecting plate, and the bottom of the connecting plate is fixedly arranged with an upper mold; an assembly component, the assembly component is arranged on the main support, the lower mold, the top plate and the connecting plate, the assembly component includes a positioning block one, a positioning block two, a lower clamping block, an upper clamping block, a vertical plate and an operating shaft, and the positioning block one is fixedly installed on the bottom of the lower mold.

[0004] However, during the use of the bracket, it was found that the bracket had poor fixing stability for the mold using the clamping block, increased the complexity of the positioning operation for personnel, and reduced the efficiency of mold loading and unloading. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a mold fixing mechanism for a stretch film packaging machine, which is convenient for positioning and correcting the placement of the mold, improves the convenience of automatic mold fixing, improves the efficiency of mold loading and unloading, and improves the firmness of mold fixing.

[0006] The utility model discloses a mold fixing mechanism for a stretch film packaging machine, comprising a base and a guide frame, wherein the guide frame is mounted on the top of the base; the utility model also comprises a power device, a driving device, a positioning device, a support plate, two groups of clamping arms and two groups of first vacuum suction cups, wherein the support plate is mounted on the guide frame by sliding up and down through the power device, and the upper parts of the two groups of clamping arms are both mounted on the support plate by sliding left and right, and a driving device is arranged on the support plate, the driving device is used to drive the two groups of clamping arms to move, and the driving device is used to fix the top surface of the mold, the two groups of first vacuum suction cups are respectively mounted on the outer side walls of the two groups of clamping arms in opposite directions, the positioning device is mounted on the base, and the positioning device is mounted on the support plate. The device is used to position the mold before fixing; the mold is placed on the base, and then the placement position of the mold is positioned and corrected by the positioning device, and then the support plate is driven downward by the power device, so that the support plate drives the driving device to contact the top surface of the mold, so that the driving device fixes the top surface of the mold, and at the same time, the driving device drives the two groups of clamping arms to move closer to each other, so that the two groups of clamping arms drive the two groups of first vacuum suction cups to clamp the left and right sides of the mold, and then the mold is adsorbed and fixed by the two groups of first vacuum suction cups, thereby improving the convenience of the mechanism for automatically fixing the mold, improving the efficiency of mold loading and unloading, and at the same time improving the firmness of the mechanism to fix the mold.

[0007] Preferably, the driving device includes a locking device, a vertical rod, a second vacuum suction cup, a first spring, a connecting arm and a guide rail. The vertical rod is slidably installed in the middle of the support plate, the top of the second vacuum suction cup is connected to the bottom end of the vertical rod, the first spring is fitted on the outer side wall of the vertical rod, and the first spring is arranged on the top of the second vacuum suction cup. The top ends of the two groups of connecting arms are rotatably installed on the top of the vertical rod, the bottom ends of the two groups of connecting arms are respectively rotatably connected to the top ends of the two groups of clamping arms, multiple groups of guide rails are installed on the top of the support plate, the two groups of clamping arms are respectively slidably installed on the multiple groups of guide rails, the locking device is installed on the support plate, and the locking The device is used to lock the sliding of the vertical rod; after the support plate moves downward, it drives the vertical rod and the second vacuum suction cup to move downward. When the second vacuum suction cup moves downward and contacts the top surface of the mold, the second vacuum suction cup adsorbs and fixes the top surface of the mold. At this time, the support plate continues to move downward, and the second vacuum suction cup supports the vertical rod to slide upward. After the vertical rod slides upward, the two groups of clamping arms are driven to move closer to each other through the two groups of connecting arms, so that the two groups of clamping arms fix the two sides of the mold through the two groups of first vacuum suction cups. At this time, the sliding of the vertical rod is locked by the locking device, thereby improving the stability of the mechanism in fixing the mold.

[0008] Preferably, the locking device includes a fixed seat, a latch, a first guide column and a second spring, the fixed seat is mounted on the top of the support plate, the latch is slidably mounted on the fixed seat, and the outer side wall of the vertical rod is provided with a groove, the first guide column is mounted on the outer side wall of the fixed seat, the latch is slidably mounted on the outside of the first guide column, and the second spring is cooperatively mounted on the outer side wall of the first guide column; the second spring provides a driving force to the latch so that the latch contacts the outer side wall of the vertical rod, and when the groove of the vertical rod moves to the side of the latch, the end of the latch extends into the groove to lock the vertical rod, thereby improving the convenience of automatic locking of the vertical rod.

[0009] Preferably, it also includes a first cylinder and a movable plate, the first cylinder is installed on the top of the support plate, the movable plate is installed on the movable end of the first cylinder, and the movable plate is cooperated with the latch; when the vertical rod needs to be slid, the movable plate is driven by the first cylinder to move, so that the movable plate pulls the latch to move, thereby separating the latch from the groove of the vertical rod, so that the vertical rod is unlocked.

[0010] Preferably, the positioning device includes two groups of second cylinders and two groups of clamps, the two groups of second cylinders are respectively installed on the top of the base in front and back directions, and the two groups of clamps are respectively installed on the moving ends of the two groups of second cylinders; when the mold is placed on the top of the base, the two groups of clamps are pushed to move by the two groups of second cylinders, so that the two groups of clamps correct the front and back positions of the mold, thereby improving the accuracy of the fixed position of the mold.

[0011] Preferably, the power device includes a third cylinder, the third cylinder is installed on the guide frame, and the moving end of the third cylinder is connected to the top of the support plate; by controlling the telescopic length of the moving end of the third cylinder, the third cylinder drives the support plate to move up and down.

[0012] Preferably, it also includes multiple groups of second guide columns, which are all slidably installed on the base and are respectively connected to the outer side walls of the two groups of splints; by providing multiple groups of second guide columns, the use stability of the two groups of splints is improved.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the mold is placed on the base, and then the placement position of the mold is positioned and corrected by the positioning device, and then the support plate is driven downward by the power device, so that the support plate drives the driving device to contact the top surface of the mold, and the driving device fixes the top surface of the mold, and at the same time, the driving device drives the two groups of clamping arms to move closer to each other, so that the two groups of clamping arms drive the two groups of first vacuum suction cups to clamp the left and right sides of the mold, and then the mold is adsorbed and fixed by the two groups of first vacuum suction cups, thereby improving the convenience of the mechanism for automatically fixing the mold, improving the efficiency of mold loading and unloading, and at the same time improving the firmness of the mechanism for fixing the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric partial structure of the connection between the vertical rod and the second vacuum suction cup;

[0016] Figure 3 It is a schematic diagram of the axonometric structure of the connection between the base and the guide frame;

[0017] Figure 4 It is a schematic diagram of the axonometric partial structure of the connection between the fixed seat and the first guide column, etc.;

[0018] Figure 5 It is a side view structural diagram of the connection between the guide frame and the third cylinder, etc.

[0019] Markings in the accompanying drawings: 1. base; 2. guide frame; 3. support plate; 4. clamping arm; 5. first vacuum suction cup; 6. vertical rod; 7. second vacuum suction cup; 8. first spring; 9. connecting arm; 10. guide rail; 11. fixed seat; 12. latch; 13. first guide column; 14. second spring; 15. first cylinder; 16. movable plate; 17. second cylinder; 18. clamping plate; 19. third cylinder; 20. second guide column. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0021] like Figures 1 to 5 As shown, a mold fixing mechanism of a stretch film packaging machine of the utility model comprises a base 1 and a guide frame 2, wherein the guide frame 2 is mounted on the top of the base 1; it also comprises a power device, a driving device, a positioning device, a support plate 3, two groups of clamping arms 4 and two groups of first vacuum suction cups 5, wherein the support plate 3 is mounted on the guide frame 2 by sliding up and down through the power device, and the upper parts of the two groups of clamping arms 4 are both mounted on the support plate 3 by sliding left and right, and a driving device is arranged on the support plate 3, wherein the driving device is used to drive the two groups of clamping arms 4 to move, and the driving device is used to fix the top surface of the mold, and the two groups of first vacuum suction cups 5 are respectively mounted on the outer side walls of the two groups of clamping arms 4 in opposite directions, and the positioning device is mounted on the base 1, and the positioning device is used to position the mold before it is fixed;

[0022] like Figure 2As shown, the driving device includes a locking device, a vertical rod 6, a second vacuum suction cup 7, a first spring 8, a connecting arm 9 and a guide rail 10. The vertical rod 6 is slidably installed in the middle of the support plate 3, the top of the second vacuum suction cup 7 is connected to the bottom of the vertical rod 6, the first spring 8 is fitted on the outer wall of the vertical rod 6, and the first spring 8 is arranged on the top of the second vacuum suction cup 7. The tops of the two groups of connecting arms 9 are both rotatably installed on the top of the vertical rod 6, and the bottoms of the two groups of connecting arms 9 are respectively rotatably connected to the tops of the two groups of clamping arms 4, multiple groups of guide rails 10 are all installed on the top of the support plate 3, and the two groups of clamping arms 4 are respectively slidably installed on the multiple groups of guide rails 10. The locking device is installed on the support plate 3, and the locking device is used to lock the sliding of the vertical rod 6;

[0023] In this embodiment, the mold is placed on the base 1, and then the placement position of the mold is positioned and corrected by the positioning device, and then the support plate 3 is driven downward by the power device, so that the support plate 3 drives the driving device to contact the top surface of the mold, so that the driving device fixes the top surface of the mold, and at the same time, the driving device drives the two groups of clamping arms 4 to move closer to each other, so that the two groups of clamping arms 4 drive the two groups of first vacuum suction cups 5 to clamp the left and right sides of the mold, and then the mold is adsorbed and fixed by the two groups of first vacuum suction cups 5, thereby improving the convenience of the mechanism for automatically fixing the mold, improving the efficiency of mold loading and unloading, and at the same time improving the firmness of the mechanism for fixing the mold. Example 2

[0024] On the basis of Example 1, Figure 4 As shown, the utility model is a mold fixing mechanism for a stretch film packaging machine, the locking device includes a fixing seat 11, a latch 12, a first guide column 13 and a second spring 14, the fixing seat 11 is installed on the top of the support plate 3, the latch 12 is slidably installed on the fixing seat 11, and the outer side wall of the vertical rod 6 is provided with a groove, the first guide column 13 is installed on the outer side wall of the fixing seat 11, the latch 12 is slidably sleeved on the outside of the first guide column 13, and the second spring 14 is matched and sleeved on the outer side wall of the first guide column 13;

[0025] like Figure 4 As shown, it also includes a first cylinder 15 and a moving plate 16, the first cylinder 15 is installed on the top of the support plate 3, the moving plate 16 is installed on the moving end of the first cylinder 15, and the moving plate 16 is matched with the latch 12;

[0026] like Figure 3 As shown, the positioning device includes two sets of second cylinders 17 and two sets of clamping plates 18. The two sets of second cylinders 17 are respectively installed on the top of the base 1 in front and back directions, and the two sets of clamping plates 18 are respectively installed on the moving ends of the two sets of second cylinders 17;

[0027] like Figure 3As shown, the power device includes a third cylinder 19, which is mounted on the guide frame 2, and the moving end of the third cylinder 19 is connected to the top of the support plate 3;

[0028] like Figure 3 As shown, it also includes multiple groups of second guide posts 20, which are all slidably mounted on the base 1, and the multiple groups of second guide posts 20 are respectively connected to the outer side walls of the two groups of clamping plates 18;

[0029] In this embodiment, after the support plate 3 moves downward, it drives the vertical rod 6 and the second vacuum suction cup 7 to move downward. When the second vacuum suction cup 7 moves downward and contacts with the top surface of the mold, the second vacuum suction cup 7 adsorbs and fixes the top surface of the mold. At this time, the support plate 3 continues to move downward, and the second vacuum suction cup 7 supports the vertical rod 6 to slide upward. After the vertical rod 6 slides upward, it drives the two groups of clamping arms 4 to move closer to each other through the two groups of connecting arms 9, so that the two groups of clamping arms 4 fix the two sides of the mold through the two groups of first vacuum suction cups 5. At this time, the sliding of the vertical rod 6 is locked by the locking device, thereby improving the stability of the mechanism to fix the mold, and the second spring 14 provides a driving force for the latch 12, so that the latch 12 contacts with the outer wall of the vertical rod 6. When the groove of the vertical rod 6 moves to the side of the latch 12, the end of the latch 12 extends into the groove to lock the vertical rod 6, thereby improving the convenience of automatic locking of the vertical rod 6.

[0030] The utility model discloses a mold fixing mechanism for a stretch film packaging machine. When working, the mold is placed on a base 1, and then the placement position of the mold is positioned and corrected by a positioning device. Then, a support plate 3 is driven downward by a power device, so that the support plate 3 drives a driving device to contact with the top surface of the mold, so that the driving device fixes the top surface of the mold. At the same time, the driving device drives two groups of clamping arms 4 to move closer to each other, so that the two groups of clamping arms 4 drive two groups of first vacuum suction cups 5 to clamp the left and right sides of the mold, and then the mold is adsorbed and fixed by the two groups of first vacuum suction cups 5.

[0031] The first vacuum suction cup 5, the second vacuum suction cup 7, the first cylinder 15, the second cylinder 17 and the third cylinder 19 of the mold fixing mechanism of a stretch film packaging machine of the utility model are purchased on the market, and the technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A mold fixing mechanism for a stretch film packaging machine, comprising a base (1) and a guide frame (2), wherein the guide frame (2) is mounted on the top of the base (1); characterized in that: The invention also comprises a power device, a driving device, a positioning device, a support plate (3), two groups of clamping arms (4) and two groups of first vacuum suction cups (5). The support plate (3) is mounted on the guide frame (2) by sliding up and down through the power device. The upper parts of the two groups of clamping arms (4) are mounted on the support plate (3) by sliding left and right. The support plate (3) is provided with a driving device, which is used to drive the two groups of clamping arms (4) to move, and the driving device is used to fix the top surface of the mold. The two groups of first vacuum suction cups (5) are respectively mounted on the outer side walls of the two groups of clamping arms (4) facing each other. The positioning device is mounted on the base (1), and the positioning device is used to position the mold before fixing it.

2. A mold fixing mechanism for a stretch film packaging machine according to claim 1, characterized in that: The driving device comprises a locking device, a vertical rod (6), a second vacuum suction cup (7), a first spring (8), a connecting arm (9) and a guide rail (10); the vertical rod (6) is slidably mounted on the middle part of the support plate (3); the top end of the second vacuum suction cup (7) is connected to the bottom end of the vertical rod (6); the first spring (8) is fitted on the outer wall of the vertical rod (6), and the first spring (8) is arranged on the top end of the second vacuum suction cup (7); the top ends of the two groups of connecting arms (9) are both rotatably mounted on the top of the vertical rod (6); the bottom ends of the two groups of connecting arms (9) are respectively rotatably connected to the top ends of the two groups of clamping arms (4); the plurality of guide rails (10) are all mounted on the top end of the support plate (3); the two groups of clamping arms (4) are respectively slidably mounted on the plurality of guide rails (10); the locking device is mounted on the support plate (3); and the locking device is used to lock the sliding movement of the vertical rod (6).

3. A mold fixing mechanism for a stretch film packaging machine as claimed in claim 2, characterized in that: The locking device comprises a fixing seat (11), a latch (12), a first guide column (13) and a second spring (14); the fixing seat (11) is mounted on the top of the support plate (3); the latch (12) is slidably mounted on the fixing seat (11); an outer wall of the vertical rod (6) is provided with a groove; the first guide column (13) is mounted on the outer wall of the fixing seat (11); the latch (12) is slidably mounted on the outside of the first guide column (13); and the second spring (14) is cooperatively mounted on the outer wall of the first guide column (13).

4. A stretch film packaging machine mold fixing mechanism as claimed in claim 3, characterized in that: It also includes a first cylinder (15) and a movable plate (16), wherein the first cylinder (15) is mounted on the top of the support plate (3), the movable plate (16) is mounted on the movable end of the first cylinder (15), and the movable plate (16) is arranged in cooperation with the latch (12).

5. A stretch film packaging machine mold fixing mechanism as claimed in claim 1, characterized in that: The positioning device comprises two sets of second cylinders (17) and two sets of clamping plates (18), the two sets of second cylinders (17) are respectively mounted on the top of the base (1) in a front-to-back direction, and the two sets of clamping plates (18) are respectively mounted on the moving ends of the two sets of second cylinders (17).

6. A stretch film packaging machine mold fixing mechanism as claimed in claim 1, characterized in that: The power device comprises a third cylinder (19), the third cylinder (19) is mounted on the guide frame (2), and the moving end of the third cylinder (19) is connected to the top end of the support plate (3).

7. A stretch film packaging machine mold fixing mechanism according to claim 1, characterized in that: It also includes a plurality of groups of second guide columns (20), which are all slidably mounted on the base (1), and are respectively connected to the outer side walls of the two groups of clamping plates (18).

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