Punching mechanism for plastic bag making

Abstract

The utility model relates to the technical field of plastic bag making, in particular to a punching mechanism for plastic bag making, which comprises a rack, a first sleeper, a second sleeper, a first sliding block, a first upright post, a third sleeper, a third sliding block, a connecting transverse rail connected with a hand-screwed short bolt, a punching machine base, a second sliding block, a second upright post, a connecting transverse post, a limiting block and a hand-screwed limiting bolt, according to the punching mechanism for plastic bag making, the two sets of limiting blocks are arranged on the rack, after the position of the punching machine base is adjusted, the limiting blocks are inserted into the punching machine base on the second sleeper in a sliding mode, and vertical shaking of a punching machine is limited and reinforced; the limiting block is tightly attached to the punching machine base by adjusting a hand-screwed limiting bolt, a nut is screwed, left-right shaking of the punching machine is limited and reinforced, and the problems that the punching machine shakes in the punching process, and the punching hole site precision is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic bag making, specifically a punching mechanism for plastic bag making. BACKGROUND

[0002] The punching mechanism for plastic bag making is an important component of a bag making machine, which is responsible for converting electrical energy or other forms of energy into mechanical energy to create the required holes on the plastic bag through a punching knife.

[0003] The Chinese patent with the publication number CN218519285U discloses a punching mechanism of a plastic bag making machine, which comprises a base, a movable clamping device movably arranged above the base, and a punching device fixedly arranged at the rear end of the movable clamping device. Through the above technical solution, the cooperation of the third hydraulic cylinder and the large L-shaped support plate arranged above the rectangular bottom plate can achieve the up-and-down movement of the large L-shaped support plate. The punching knife connecting plate connected to the punching knife through the third motor power output end connected to the second ball screw nut on the outer surface of the second ball screw arranged in the second slot above the large L-shaped support plate cooperates with the punching knife, so that the punching knife moves up and down. Through the cooperation of the punching knife connecting plate and the punching knife connected by bolts, the punching knife can be easily replaced. The excess material is collected through the waste box. Through the cooperation of the punching bearing bottom plate and the punching lower die, the inner diameter of the punching hole is changed, and the plastic bags with different hole diameters are processed.

[0004] The above-mentioned punching mechanism for plastic bag making and the existing technology have the problem of loose and shaking of the machine body during punching, which affects the accuracy of the punching hole position and reduces the quality of the product. There is a lack of corresponding structure at this point, which needs to be improved and optimized. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a punching mechanism for plastic bag making to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a punching mechanism for plastic bag making comprises a rack, a first rail sleeper, a second rail sleeper, a first sliding block, a first stand, a third rail sleeper, a third sliding block, a connecting cross rail, a punching machine base, a second sliding block, a second stand, a connecting cross column, and a limiting block.

[0007] The upper surface of the frame is provided with a group of first sleepers at the front end and a group of second sleepers at the left end, the first sleepers are slidably connected with two groups of first sliders, the first sliders are provided with a group of first vertical columns at the two ends, the first vertical columns are fixedly connected with third sleepers, the third sleepers are slidably connected with a plurality of groups of third sliders, the third sliders are fixedly connected with connecting cross rails at one end, the connecting cross rails are slidably connected with punch machine bases, the second sleepers are slidably connected with two groups of second sliders, the second sliders are fixedly connected with second vertical columns, the second vertical columns are fixedly connected with connecting cross columns, and the connecting cross columns are fixedly connected with limiting blocks at one end.

[0008] Preferably, the punch machine base is provided with a base sliding groove in the middle, a group of base threaded holes are arranged at the upper end and the front end of the tail of the punch machine base, the punch machine base is connected with a punch machine body at the upper end, the punch machine body is connected with an expansion block at the lower end, the expansion block is connected with a punch knife at the lower end, and a first knife hole and a second knife hole are sequentially arranged on the punch machine base below the punch knife.

[0009] Preferably, the threaded holes are correspondingly connected with hand-tightening short bolts.

[0010] Preferably, the second sliders are provided with second threaded holes at one end, the second threaded holes are correspondingly connected with hand-tightening short bolts, the third sliders are provided with first threaded holes at one end, and the first threaded holes are correspondingly connected with hand-tightening short bolts.

[0011] Preferably, the limiting blocks are provided with sliding grooves in the middle, and a group of limiting grooves are arranged at the upper end and the lower end of the limiting blocks.

[0012] Preferably, a plurality of groups of hand-tightening limiting bolts are inserted into the limiting grooves, the lower ends of the hand-tightening limiting bolts are connected with nuts, and the sliding grooves are correspondingly connected with punch machine bases.

[0013] Compared with the prior art, the punch mechanism for plastic bag making has the following beneficial effects:

[0014] The punch mechanism for plastic bag making mainly comprises two groups of limiting blocks arranged on the frame, the limiting blocks are slidably inserted into the punch machine bases on the second sleepers after the punch machine bases are adjusted to positions, the up-down shaking of the punch machine is limited and reinforced, the limiting blocks are tightly connected with the punch machine bases through the adjustment of the hand-tightening limiting bolts and the tightening of the nuts, the left-right shaking of the punch machine is limited and reinforced, and the problems of shaking and affecting the punching hole accuracy of the punch machine during punching are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of a punch mechanism for plastic bag making.

[0016] Figure 2 As Figure 2 Enlarged view of site A;

[0017] Figure 3 As a second perspective view of the structure of the punching mechanism for plastic bag making;

[0018] Figure 4 As a third perspective view of the structure of the punching mechanism for plastic bag making;

[0019] Figure 5 As Figure 4 Enlarged view of site B.

[0020] In the figure: frame 1, first rail sleeper 2, second rail sleeper 3, first sliding block 4, first stand 5, third rail sleeper 6, third sliding block 7, first threaded hole 701, hand-tightened short bolt 8, connecting cross rail 9, puncher base 10, base sliding groove 101, base threaded hole 102, puncher body 103, telescopic block 104, punching knife 105, first knife hole 106, second knife hole 107, second sliding block 11, second threaded hole 111, second stand 12, connecting cross column 13, limiting block 14, sliding groove 141, limiting groove 142, hand-tightened limiting bolt 15, nut 16. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below. All other embodiments obtained by those skilled in the art without creative labor on the premise that the embodiments in the present application belong to the scope of protection of the present application.

[0022] Please refer to Figures 1 to 5 The present application provides the following three preferred scheme embodiments:

[0023] Embodiment one: a punching mechanism for plastic bag making includes frame 1, first rail sleeper 2, second rail sleeper 3, first sliding block 4, first stand 5, third rail sleeper 6, third sliding block 7, connecting cross rail 9, puncher base 10, second sliding block 11, second stand 12, connecting cross column 13, limiting block 14;

[0024] The first rail sleeper 2 is arranged on the upper surface of the frame 1, and a first slide block 4 is slidably connected to the first rail sleeper 2. The first slide block 4 is provided with a first vertical column 5 at each end, and the third rail sleeper 6 is fixedly connected to the first vertical column 5. The third rail sleeper 6 is slidably connected to a plurality of third slide blocks 7, and the third slide block 7 is fixedly connected to a connecting cross rail 9 at one end. The connecting cross rail 9 is slidably connected to a punch machine base 10. The second rail sleeper 3 is slidably connected to a second slide block 11, and the second slide block 11 is fixedly connected to a second vertical column 12. The second vertical column 12 is fixedly connected to a connecting cross column 13, and the connecting cross column 13 is fixedly connected to a limiting block 14 at one end.

[0025] In actual use, the first slide block 4 is slidably adjusted on the first rail sleeper 2 to realize the first adjustment of the horizontal position of the punching hole. The third slide block 7 is slidably adjusted on the third rail sleeper 6 to realize the adjustment of the vertical position of the punching hole. The punch machine base 10 is slidably adjusted on the connecting cross rail 9 to realize the second adjustment of the horizontal position of the punching hole. The second slide block 11 is slidably adjusted on the second rail sleeper 3 to correspond to the tail of the punch machine base 10.

[0026] In the embodiment two, the punch machine base 10 is provided with a base sliding groove 101 in the middle. The upper end and the front end of the tail of the punch machine base 10 are each provided with a group of base threaded holes 102. The punch machine base 10 is connected to a punch machine body 103 at the upper end. The punch machine body 103 is connected to an expansion block 104 at the lower end. The expansion block 104 is inserted with a punch knife 105 at the lower end. The punch machine base 10 below the punch knife 105 is sequentially provided with a first knife hole 106 and a second knife hole 107. The base threaded hole 102 is correspondingly connected with a hand-tight short bolt 8 by a bolt.

[0027] In actual use, the punch hole position is adjusted by the sliding of the base sliding groove 101 and the connecting cross rail 9. The hand-tight short bolt 8 is screwed into the base threaded hole 102 to realize the first fixation of the punch machine. When punching, the expansion block 104 moves downward to drive the punch knife 105 to move downward through the first knife hole 106 and the second knife hole 107 to realize the punching of the plastic belt.

[0028] In the embodiment three, the second slide block 11 is provided with a second threaded hole 111 at one end. The second threaded hole 111 is correspondingly connected with a hand-tight short bolt 8 by a bolt. The third slide block 7 is provided with a first threaded hole 701 at one end. The first threaded hole 701 is correspondingly connected with a hand-tight short bolt 8 by a bolt. The limiting block 14 is provided with a sliding groove 141 in the middle. The limiting block 14 is provided with a group of limiting grooves 142 at the upper end and the lower end. A plurality of hand-tight limiting bolts 15 are inserted into the limiting groove 142. The hand-tight limiting bolt 15 is connected with a nut 16 at the lower end by a bolt. The punch machine base 10 is correspondingly inserted into the sliding groove 141.

[0029] In actual use, the second sliding block 11 and the third sliding block 7 are fixed by screwing the hand-tightened short bolt 8 into the second threaded hole 111 and the first threaded hole 701, the second fixation of the up-down position of the puncher is realized by inserting the tail of the puncher base 10 into the sliding groove 141, and the left-right position of the puncher is secondarily reinforced by adjusting the hand-tightened limiting bolt 15 to be close to the tail of the puncher base 10, and by screwing the hand-tightened limiting bolt 15 and the nut 16.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A punch mechanism for making plastic bags, characterized by: Includes frame (1), first sleeper (2), second sleeper (3), first slider (4), first column (5), third sleeper (6), third slider (7), connecting horizontal rail (9), punching machine base (10), second slider (11), second column (12), connecting horizontal column (13), and limit block (14); The frame (1) has a set of first sleepers (2) at both the front and rear ends, and a set of second sleepers (3) at both the left and right ends. Two sets of first sliders (4) are slidably connected to the first sleepers (2). A set of first columns (5) is provided at each end of the first sliders (4). A third sleeper (6) is fixedly connected to the first column (5). Multiple sets of third sliders (7) are slidably connected to the third sleepers (6). A connecting horizontal rail (9) is fixedly connected to one end of the third slider (7). A punching machine base (10) is slidably inserted into the connecting horizontal rail (9). Two sets of second sliders (11) are slidably connected to the second sleepers (3). A second column (12) is fixedly connected to the second slider (11). A connecting horizontal column (13) is fixedly connected to the second column (12). A limit block (14) is fixedly connected to one end of the connecting horizontal column (13).

2. A perforating mechanism for making bags from plastic sheet material as claimed in claim 1 wherein: The base (10) of the punching machine is provided with a base slide groove (101) in the middle. The upper end and the front end of the tail of the punching machine base (10) are each provided with a set of base thread holes (102). The upper end of the punching machine base (10) is connected to the punching machine body (103). The lower end of the punching machine body (103) is connected to a telescopic block (104). The lower end of the telescopic block (104) is inserted with a punching knife (105). The punching machine base (10) below the punching knife (105) is provided with a first knife hole (106) and a second knife hole (107) in sequence.

3. A perforating mechanism for making bags from plastic sheet material as claimed in claim 2 wherein: A hand-tightening short bolt (8) is connected to the corresponding bolt on the threaded hole (102) of the base.

4. A perforating mechanism for bag making of plastic bags as claimed in claim 1 wherein: The second slider (11) has a second threaded hole (iii) at one end, and a hand-tightening short bolt (8) is connected to the second threaded hole (iii) with a corresponding bolt. The third slider (7) has a first threaded hole (701) at one end, and a hand-tightening short bolt (8) is connected to the first threaded hole (701) with a corresponding bolt.

5. A perforating mechanism for bag making of plastic bags as claimed in claim 1 wherein: The limiting block (14) has a sliding groove (141) in the middle, and a set of limiting grooves (142) are provided at the upper and lower ends of the limiting block (14).

6. A perforating mechanism for bag making of plastic bags according to claim 5, characterized in that: Multiple sets of hand-tightening limit bolts (15) are inserted into the limiting groove (142), and a nut (16) is bolted to the lower end of the hand-tightening limit bolt (15). A drilling machine base (10) is correspondingly inserted into the sliding groove (141).

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