Automatic bag holding and bag filling mechanism

Abstract

An automatic bag-holding and bag-loading mechanism, characterized in that it includes a main frame mechanism, a bag-opening / bag-clamping mechanism, a center seam forming mechanism, a bag-width adjustment mechanism, and a lifting mechanism. The bag-opening / bag-clamping mechanism is installed on the main frame mechanism through a slider group, the center seam forming mechanism is fixed to the bottom of the main frame mechanism through a cylinder, the bag-width adjustment mechanism is fixed to the main frame mechanism, and the lifting mechanism is fixed to the outside of the main frame mechanism. The advantages of the present invention are: automatic clamping, bag-opening and bag-loading are realized; multi-variety production is realized, labor intensity is reduced, productivity is improved, and labor is saved.

Description

Technical Field

[0001] The invention relates to an automatic bag-holding and bag-filling mechanism, which is a part of an automatic bag-filling machine for handbags and belongs to the field of food packaging machinery. Background Art

[0002] The existing automatic bag-opening and clamping mechanism mainly uses a mechanical structure to clamp the bag-opening mechanism and take over the bag-loading mechanism to open the bag and then carry out bag filling. The existing bag-opening and clamping mechanisms have high requirements on the thickness of the plastic film and are not suitable for multi-variety production. Summary of the invention

[0003] The present invention provides an automatic bag-holding and bag-loading mechanism to solve the above-mentioned problems existing in the prior art.

[0004] The technical solution of the present invention is: an automatic bag-supporting and bag-loading mechanism, characterized in that it comprises a main frame mechanism, a bag-opening / bag-clamping mechanism, a middle seam-forming mechanism, a bag-width-adjusting mechanism, and a lifting mechanism. The bag-opening / bag-clamping mechanism is installed on the main frame mechanism through a slider group, the middle seam-forming mechanism is fixed to the bottom of the main frame mechanism through a cylinder, the bag-width-adjusting mechanism is fixed to the main frame mechanism, and the lifting mechanism is fixed to the outside of the main frame mechanism.

[0005] The advantages of the present invention are: automatic clamping, bag opening and bagging are realized; multi-variety production is realized, labor intensity is reduced, productivity is improved, and labor is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0007] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure;

[0008] Figure 3 It is a side structural schematic diagram of the main frame mechanism of the present invention;

[0009] Figure 4 yes Figure 3 A top view of

[0010] Figure 5 yes Figure 3 Left view of

[0011] Figure 6 It is a side structural schematic diagram of the bag opening / clamping mechanism of the present invention;

[0012] Figure 7 yes Figure 6 A top view of

[0013] Figure 8 It is a side structural schematic diagram of the center seam forming mechanism of the present invention;

[0014] Fig. 9 yes Figure 8 A top view of

[0015] Fig.10 It is a side structural schematic diagram of the bag width adjustment mechanism of the present invention;

[0016] Fig.11 yes Fig.10 A top view of

[0017] Fig.12 It is a side structural schematic diagram of the lifting mechanism of the present invention;

[0018] Fig.13 yes Fig.12 Top view of the . DETAILED DESCRIPTION

[0019] See also Figure 1 and Figure 2 The present invention discloses an automatic bag-supporting and bag-loading mechanism, which is characterized by comprising a main frame mechanism 1, a bag-opening / bag-clamping mechanism 2, a middle seam-forming mechanism 3, a bag-width-adjusting mechanism 4, and a lifting mechanism 5. The bag-opening / bag-clamping mechanism 2 is mounted on the main frame mechanism 1 through a slider group, the middle seam-forming mechanism 3 is fixed to the bottom of the main frame mechanism 1 through a cylinder, the bag-width-adjusting mechanism 4 is fixed to the main frame mechanism 1, and the lifting mechanism 5 is fixed to the outside of the main frame mechanism 1.

[0020] See also Figure 3-Figure 5 The main frame mechanism 1 comprises a base frame 101, a first slider group 102, a tension spring positioning column 103, a second slider group 104, a positioning bracket 105 and a positioning bolt 106. The side of the base frame (101) is L-shaped. The base frames 101 at both ends are symmetrically arranged. The opposite ends thereof are connected to the two ends of the slide rails of the two selected second slider groups 104 to form a U-shaped whole; the sliders of the second slider group 104 can realize lateral movement on the slide rails of the second slider group 104. A group of first slider groups 102 are respectively installed on the inner side of the vertical surface of each base frame 101. The sliders of the first slider group 102 can realize longitudinal movement on the slide rails of the second slider group 102. A tension spring positioning column 103 is respectively installed at both ends of the first slider group 102; a positioning bracket 105 is respectively provided on the bottom surface of each base frame 101, and a positioning bolt 106 is threadedly connected to the positioning bracket 105; and a lifting connection end 107 is provided on the opposite side of the upper part of the two base frames 101.

[0021] The main frame mechanism 1 is used to fix and connect the bag opening / clamping mechanism 2, the center seam forming mechanism 3, the bag width adjusting mechanism 4 and the lifting mechanism 5.

[0022] See also Figure 6 and Figure 7The bag opening / clamping mechanism 2 is composed of a bag clamping main frame 201, a clamping cylinder 202, a slide block 203, a bearing 204, a clamping block 205, an end positioning block 206, a main frame connecting frame 207, a return cylinder connecting piece 208, a return cylinder 209, a longitudinal slider group 210, a transverse return cylinder 211, a transverse positioning bracket 212, a motion track bearing 213, a guide plate 214 and a tension spring 215.

[0023] The connection structure of the above components is as follows: a clamping cylinder 202 is installed on the side of the clamping main frame 201, and a slide block 203 is fixed by a thread on the push rod of the clamping cylinder 202; one end of the clamping block 205 is connected to the slide block 203 through a bearing, and the middle of the clamping block 205 is connected to the bag clamping main frame 201 through an axis to realize the axial rotation of the clamping block 205; the end positioning block 206 is fixed to the end of the bag clamping main frame 201; the bag clamping main frame 201 is fixed on the longitudinal slider group 210, and the longitudinal The slider group 210 is fixedly mounted on the main frame connecting frame 207; the return cylinder 209 is mounted on the main frame connecting frame 207 through the return cylinder connecting piece 208, pushing the bag clamping main frame 201 to return quickly; the lateral return cylinder 211 is fixed on the bottom frame 101, pushing the bag clamping main frame 201 to return quickly; one end of the tension spring 215 is connected to the top of the tension spring positioning column 103, and the other end is connected to one end of the bag clamping main frame 201 through a bolt T (see Figure 6 ). The bag opening / clamping mechanism 2 is a left-right and front-back symmetrical structure.

[0024] The function of the bag opening / clamping mechanism 2 is as follows: the clamping cylinder 202 drives the chute block 203 to move horizontally, so that the clamping block 205 rotates eccentrically through the bearing 204, and the clamping block 205 and the end positioning block 206 are clamped to clamp the bag, and the tensioning spring 215 drives the bag clamping main frame 201, the clamping cylinder 202, the chute block 203, the bearing 204, the clamping block 205 and the end positioning block 206 to do lateral and longitudinal displacement to achieve lateral and longitudinal bag support; after bagging, the push rod of the clamping cylinder 202 retreats, and the clamping cylinder 202 drives the clamping block 205 to rotate eccentrically to achieve release from the end positioning block 206, and the bag clamping main frame 201, the clamping cylinder 202, the chute block 203, the bearing 204, the clamping block 205 and the end positioning block 206 return to their original positions quickly in the horizontal and longitudinal directions.

[0025] See also Figure 8 and Fig. 9 The center seam forming mechanism 3 is composed of a center seam forming cylinder 301 and a forming plate 302. The center seam forming cylinder 301 is mounted on the base frame 101, and the forming plate 302 is mounted on the push rod of the center seam forming cylinder 301. Its function is to make the center seam of the bag neat and flat.

[0026] See also Fig.10 and Fig.11The bag width adjustment mechanism 4 is composed of a left mounting seat 401, a right mounting seat 402, a handle 403, a positive and negative screw rod 404, a left nut 405 and a right nut 406. The left mounting seat 401 and the right mounting seat 402 are respectively fixed on the base frame 101, the positive and negative screw rod 404 is installed on the left mounting seat 401 and the right mounting seat 402, and can rotate axially. The left nut 405 and the right nut 406 are respectively installed on the guide plate 214, and the handle 403 is installed on the end of the positive and negative screw rod 404. Rotating the handle 403 can drive the positive and negative screw rod 404 to rotate, and the guide plate 214 is driven to move inward or outward at the same time through the left nut 405 and the right nut 406.

[0027] The function of the bag width adjustment mechanism 4 is to manually adjust the distance according to the width of the bag to achieve multi-variety production.

[0028] See also Fig.12 and Fig.13 The lifting mechanism 5 is composed of a lifting slider group 501 and a connecting plate 502. The lifting slider group 501 is installed on the side of the bottom frame 101, and the connecting plate 502 is installed on the lifting slider group 501. The other end of the connecting plate 502 is externally connected to the automatic bagging machine. Its function is to make the main frame mechanism 1, the bag opening / clamping mechanism 2, the middle seam forming mechanism 3, and the bag width adjustment mechanism 4 realize overall lifting.

[0029] The present invention is used in conjunction with an "automatic bagging machine" when applied, and its working principle is: the relevant parts of the automatic bagging machine (not belonging to the present invention) send the opened bag to the bag opening position, and the automatic bagging machine drives the whole of the present invention (main frame mechanism 1, bag opening / clamping mechanism 2, middle seam forming mechanism 3, bag width adjustment mechanism 4, lifting mechanism 5) to descend simultaneously through the lifting connection end 107, and the clamping cylinder 202 drives the clamping block 205 to rotate through the slide block 203 and the bearing bearing 204, and the clamping blocks 205 at four positions and the end positioning block 206 clamp the bag simultaneously, and the retracting cylinder 209 and the lateral retracting cylinder 211 retract simultaneously, and the tension of the tension spring 215 itself acts, The four corners of the bag clamping main frame 201, the clamping block 205 and the end positioning block 206 are driven to simultaneously pull open the handbag, and the center seam forming cylinders 301 at both ends drive the forming plates 302 to push forward (relatively push forward) to form the center seam of the handbag and shape it; after the automatic bagging machine for handbags completes bagging, the automatic bagging machine for handbags clamps the filled handbags, and the clamping cylinder 202 pushes back to drive the clamping block 205 to rotate in the opposite direction to release the handbag, and the retracting cylinder 209 pushes the bag clamping main frame 201, the clamping block 205 and the end positioning block 206 to return to their positions at the same time, and the lateral retracting cylinder 211 pushes the main frame connecting frame 207 and drives the retracting cylinder 209 to push the bag clamping main frame 201, the clamping block 205 and the end positioning block 206 to return to their positions laterally at the same time.

Claims

1. An automatic bag-holding and bag-filling mechanism, characterized in that: The bag opening / clamping mechanism (2) comprises a main frame mechanism (1), a bag opening / clamping mechanism (2), a middle seam forming mechanism (3), a bag width adjustment mechanism (4) and a lifting mechanism (5), wherein the bag opening / clamping mechanism (2) is mounted on the main frame mechanism (1) via a slider group, the middle seam forming mechanism (3) is fixed to the bottom of the main frame mechanism (1) via a cylinder, the bag width adjustment mechanism (4) is fixed to the main frame mechanism (1), and the lifting mechanism (5) is fixed to the outside of the main frame mechanism (1); The main frame mechanism (1) comprises a base frame (101), a first slider group (102), a tension spring positioning column (103), a second slider group (104), a positioning bracket (105) and a positioning bolt (106); the side of the base frame (101) is L-shaped; the base frames (101) at both ends are symmetrically arranged; the opposite ends thereof are connected to the two ends of the slide rails of the two selected second slider groups (104) to form a U-shaped whole; the sliders of the second slider group (104) can realize lateral movement on the slide rails of the second slider group (104); A first slider group (102) is installed on the inner side of the vertical surface of each base frame (101), and the sliders of the first slider group (102) can realize longitudinal movement on the slide rails of the second slider group (102). A tension spring positioning column (103) is installed at each end of the first slider group (102); a positioning bracket (105) is provided on the bottom surface of each base frame (101), and a positioning bolt (106) is threadedly connected to the positioning bracket (105); and a lifting connection end (107) is provided on the opposite side of the upper part of the two base frames (101); The bag opening / clamping mechanism (2) is a left-right and front-back symmetrical structure, comprising a bag clamping main frame (201), a clamping cylinder (202), a slide block (203), a bearing (204), a clamping block (205), an end positioning block (206), a main frame connecting frame (207), a return cylinder connecting piece (208), a return cylinder (209), a longitudinal slider group (210), a transverse return cylinder (211), a transverse positioning bracket (212), a motion track bearing (213), A guide plate (214) and a tension spring (215) are provided, a clamping cylinder (202) is installed on the side of the bag clamping main frame (201), and a slide block (203) is fixed by a thread on the push rod of the clamping cylinder (202); one end of the clamping block (205) is connected to the slide block (203) through a bearing, and the middle of the clamping block (205) is connected to the bag clamping main frame (201) through a shaft to realize axial rotation of the clamping block (205); an end positioning block (206) is fixed to the end of the bag clamping main frame (201); the bag clamping main frame (2 01) is fixed on the longitudinal slider group (210), and the longitudinal slider group (210) is fixedly mounted on the main frame connecting frame (207); the retraction cylinder (209) is mounted on the main frame connecting frame (207) through the retraction cylinder connecting piece (208), and the transverse retraction cylinder (211) is fixed on the bottom frame (101). One end of the tension spring (215) is connected to the top of the tension spring positioning column (103), and the other end is connected to one end of the bag clamping main frame (201) through a bolt T. The tension spring ( The tension of the bag clamping main frame (201) is such that the bolts T at the connecting ends drive the bag clamping main frame (201) to move outwardly at the four corners, so that one end of the bag clamping main frame (201) is always pressed on the end of the push rod of the return cylinder (209), and the middle end plate of the main frame connecting frame (207) is pressed on the end of the push rod of the lateral return cylinder (211). When the bag is supported, the push rods of the return cylinder (209) and the lateral return cylinder (211) respectively push the bag clamping main frame (201) and the main frame connecting frame (207) to quickly return to their original positions.

2. The automatic bag-opening and bag-filling mechanism according to claim 1, characterized in that: The center seam forming mechanism (3) is composed of a center seam forming cylinder (301) and a forming plate (302); the center seam forming cylinder (301) is mounted on the base frame (101), and the forming plate (302) is mounted on a push rod of the center seam forming cylinder (301).

3. The automatic bag-opening and bag-filling mechanism according to claim 1, characterized in that: The bag width adjustment mechanism (4) is composed of a left mounting seat (401), a right mounting seat (402), a handle (403), a positive and negative screw rod (404), a left nut (405) and a right nut (406). The left mounting seat (401) and the right mounting seat (402) are respectively fixed on the base frame (101). The positive and negative screw rod (404) is mounted on the left mounting seat (401) and the right mounting seat (402) and can rotate axially. The left nut (405) and the right nut (406) are respectively mounted on the guide plate (214). The handle (403) is mounted on the end of the positive and negative screw rod (404). Rotating the handle (403) can drive the positive and negative screw rod (404) to rotate, and the guide plate (214) is driven to move inward or outward at the same time through the left nut (405) and the right nut (406).

4. The automatic bag-opening and bag-filling mechanism according to claim 1, characterized in that: The lifting mechanism (5) is composed of a lifting slider group (501) and a connecting plate (502). The lifting slider group (501) is installed on the side of the base frame (101), and the connecting plate (502) is installed on the lifting slider group (501). The other end of the connecting plate (502) is externally connected to an automatic bagging machine.

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