Gantry shear blade fixing structure

Abstract

The utility model provides a gantry shear blade fixing structure which comprises a shear blade and a tool apron assembly, the top end of the shear blade is connected to the bottom of the tool apron assembly, the tool apron assembly comprises a main tool apron and an auxiliary tool apron, the top of the shear blade abuts against the lower portion of a top structure of the main tool apron, and the two sides of the top of the shear blade are each provided with an anti-loosening key groove. Convex keys are integrally formed on the inner side of the bottom of the main tool apron and the inner side of the auxiliary tool apron, and the convex keys arranged on the main tool apron and the auxiliary tool apron are clamped in anti-loosening key grooves formed in the tops of the shear blades in a matched mode. The anti-loosening key grooves in the tops of the shear blades are matched and clamped with the main tool apron and the convex keys arranged on the main tool apron, so that the shear blades are effectively prevented from moving, the connection stability between the shear blades and the tool apron assembly is guaranteed, and damage to the tool apron assembly or the shear blades due to loosening is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gantry shears, in particular to a gantry shears blade fixing structure. Background Art

[0002] When the gantry shearing machine is working, the waste material is pushed onto the shearing platform by the pushing mechanism, and then the material is pressed onto the shearing platform by the pressing head, and then the scissor seat moves downward, and the material is cut by the shear blades arranged on the scissor seat and the shearing platform to shear each other up and down. For example, the application number CN202223021127.0 discloses a packaging carton cutting tool, including a machine, a feeding mechanism and a cutting mechanism, the feeding mechanism and the cutting mechanism are arranged in parallel on the top surface of the machine, the cutting mechanism includes a first gantry, the first gantry is connected to the top surface of the machine, the inner wall of the top surface of the first gantry is connected to the first hydraulic rod, the bottom end of the first hydraulic rod is connected to the strip seat, the bottom surface of the strip seat is provided with a strip groove, the inside of the strip groove is connected to the cutting knife, the upper end of the outer wall of one side of the cutting knife is provided with a first circular through hole in parallel, the first circular through hole is connected to the locking pin, and the two ends of the locking pin extend to the outside of the strip seat through the second circular through hole. In this device, the cutting knife does not have a keyway. When the material is stuck, the upper knife may drive the lower blade to move, thereby damaging the lower knife seat (strip seat). Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a gantry scissor blade fixing structure to more accurately solve the above problems.

[0004] The utility model is realized by the following technical solutions:

[0005] The utility model proposes a gantry scissors blade fixing structure, comprising a scissors blade and a knife seat assembly, the top end of the scissors blade is connected to the bottom of the knife seat assembly, the knife seat assembly comprises a main knife seat and an auxiliary knife seat, the cross section of the main knife seat is a "7"-shaped structure, the top of the scissors blade is pressed against the bottom of the top structure of the main knife seat, both sides of the top of the scissors blade are provided with an anti-loosening key groove, and the anti-loosening key groove is provided with a plurality of first bolt through holes arranged at equal intervals, the bottom inner side of the main knife seat and the inner side of the auxiliary knife seat are integrally formed with convex keys, the convex keys provided on the main knife seat and the auxiliary knife seat are matched with the size of the anti-loosening key groove provided on the top of the scissors blade, and the convex keys provided on the main knife seat and the auxiliary knife seat are matched and clamped in the anti-loosening key groove provided on the top of the scissors blade, the main knife seat and the auxiliary knife seat are provided with second bolt through holes corresponding to the first bolt through holes provided on the scissors blade, and the first bolt through holes and the second bolt through holes are connected by matching and inserting bolt and nut parts.

[0006] Furthermore, a plurality of guide pins arranged at equal intervals are connected to one side of the main tool seat close to the auxiliary tool seat. The guide pins are arranged horizontally, and guide holes are opened on the auxiliary tool seat at positions corresponding to the guide pins, and the guide pins are inserted into the guide holes.

[0007] Furthermore, the top of the auxiliary tool holder touches the bottom surface of the top of the main tool holder, and a gap of 0-5 cm is reserved between the adjacent sides of the main tool holder and the auxiliary tool holder.

[0008] Furthermore, sleeves are inserted into the second bolt through holes provided on the main tool seat and the auxiliary tool seat and the corresponding first bolt through holes, and the inner diameter of the sleeves matches the outer diameter of the bolt and nut parts.

[0009] Furthermore, the upper and lower groove edges of the anti-loosening key groove on the top of the scissor blade near the main knife seat are both provided with a wedge-shaped slot opened obliquely downward, and the convex key provided on the main knife seat is provided with a wedge-shaped card strip matching the wedge-shaped slot, and the upper and lower groove edges of the anti-loosening key groove on the top of the scissor blade near the auxiliary knife seat are both provided with a wedge-shaped slot opened obliquely upward, and the convex key provided on the auxiliary knife seat is provided with a wedge-shaped card strip matching the wedge-shaped slot

[0010] Beneficial effects of the utility model:

[0011] 1. The utility model provides an anti-loosening keyway at the top of the scissor blade, and the anti-loosening keyway at the top of the scissor blade is engaged with the main knife seat and the convex key provided on the main knife seat, so as to effectively prevent the scissor blade from moving, ensure the connection stability between the scissor blade and the knife seat assembly, and avoid damage to the knife seat assembly or the scissor blade due to looseness;

[0012] 2. The utility model can be assembled and fixed by tightening the bolts and nuts, and is suitable for the installation requirements of scissor blades of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the scissor blade in the utility model;

[0015] Figure 3 It is a structural side sectional view of the utility model;

[0016] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0017] In the figure: 1. scissor blade; 101. anti-loosening key groove; 1011. first bolt through hole; 1012. wedge-shaped slot; 2. tool holder assembly; 201. main tool holder; 2011. guide pin rod; 202. auxiliary tool holder; 203. convex key; 2031. wedge-shaped clip strip; 3. bolt and nut parts; 301. sleeve. DETAILED DESCRIPTION

[0018] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0019] Please refer to Figure 1-Figure 4 The utility model proposes a gantry scissor blade fixing structure, including a scissor blade 1 and a knife seat assembly 2, the top of the scissor blade 1 is connected to the bottom of the knife seat assembly 2, the knife seat assembly 2 includes a main knife seat 201 and an auxiliary knife seat 202, the cross section of the main knife seat 201 is a "7"-shaped structure, the top of the scissor blade 1 is pressed under the top structure of the main knife seat 201, and an anti-loosening key groove 101 is provided on both sides of the top of the scissor blade 1. The anti-loosening key groove 101 is provided with a plurality of first bolt through holes 1011 arranged at equal intervals. The inner side of the bottom of the main knife seat 201 and the inner side of the auxiliary knife seat 202 are integrally formed with a convex key 203. The convex keys 203 provided on the main knife seat 201 and the auxiliary knife seat 202 are of the same size as the anti-loosening key groove 101 provided on the top of the scissor blade 1. The cam 203 provided on the main blade seat 201 and the auxiliary blade seat 202 is matched and clamped in the anti-loosening key groove 101 provided on the top of the scissor blade 1. The main blade seat 201 and the auxiliary blade seat 202 are provided with a second bolt through hole corresponding to the first bolt through hole 1011 provided on the scissor blade 1, and the first bolt through hole 1011 and the second bolt through hole are connected by the matched insertion bolt and nut part 3. By opening the anti-loosening key groove 101 on the top of the scissor blade 1, and the anti-loosening key groove 101 on the top of the scissor blade 1 is matched and clamped with the main blade seat 201 and the cam 203 provided on the main blade seat 201, the scissor blade 1 is effectively prevented from moving, the connection stability between the scissor blade 1 and the blade seat assembly 2 is ensured, and the damage of the blade seat assembly 2 or the scissor blade 1 due to loosening is avoided.

[0020] like Figure 3As shown, the top of the auxiliary knife seat 202 touches the bottom surface of the top of the main knife seat 201, and a spacing of 0-5cm is reserved on the side where the main knife seat 201 and the auxiliary knife seat 202 are close to each other. Due to the difference in the diameter and thickness of the required scissor blades 1, the assembly and fixation are completed by tightening the bolts and nuts 3, which is suitable for the installation requirements of scissor blades 1 of different thicknesses. A plurality of guide pins 2011 arranged at equal intervals are connected to the side of the main knife seat 201 close to the auxiliary knife seat 202, and the guide pins 2011 are arranged horizontally, and the auxiliary knife seat 202 is provided with a guide hole corresponding to the position of the guide pin 2011, and the guide pin 2011 is inserted into the guide hole to play a guiding role in the process of adjusting the spacing between the auxiliary knife seat 202 and the main knife seat 201.

[0021] Combination Figure 3 and Figure 4 As shown, the second bolt through holes opened on the main tool seat 201 and the auxiliary tool seat 202 are matched with the corresponding first bolt through holes 1011, and the inner diameter of the sleeve 301 matches the outer diameter of the bolt and nut member 3, which not only plays a certain guiding role in the process of adjusting the distance between the main tool seat 201 and the auxiliary tool seat 202, but also protects the thread pattern of the bolt and nut member 3.

[0022] Combination Figure 3 and Figure 4 As shown, the upper and lower groove edges of the anti-loosening key groove 101 at the top of the scissor blade 1 close to the main knife seat 201 are both provided with a wedge-shaped slot 1012 opened obliquely downward, and the convex key 203 provided on the main knife seat 201 is provided with a wedge-shaped clamping strip 2031 that matches the wedge-shaped slot 1012. The upper and lower groove edges of the anti-loosening key groove 101 at the top of the scissor blade 1 close to the auxiliary knife seat 202 are both provided with a wedge-shaped slot 1012 opened obliquely upward, and the convex key 203 provided on the auxiliary knife seat 202 is provided with a wedge-shaped clamping strip 2031 that matches the wedge-shaped slot 1012, thereby strengthening the structural connection between the main knife seat 201, the scissor blade 1 and the auxiliary knife seat 202, so that their structural parts are not easily detached and loosened.

[0023] Of course, the present utility model may have many other implementations. Based on the present implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present utility model.

Claims

1. A gantry scissor blade fixing structure, comprising a scissor blade (1) and a blade holder assembly (2), characterized in that: The top of the scissor blade (1) is connected to the bottom of the blade seat assembly (2); the blade seat assembly (2) comprises a main blade seat (201) and an auxiliary blade seat (202); the cross section of the main blade seat (201) is in the shape of a "7"; the top of the scissor blade (1) is pressed against the bottom of the top structure of the main blade seat (201); both sides of the top of the scissor blade (1) are provided with an anti-loosening key groove (101); the anti-loosening key groove (101) is provided with a plurality of first bolt through holes (1011) arranged at equal intervals; the inner side of the bottom of the main blade seat (201) and the inner side of the auxiliary blade seat (202) are integrally formed with a convex key (203), the convex key (203) provided on the main knife seat (201) and the auxiliary knife seat (202) matches the size of the anti-loosening key groove (101) provided on the top of the scissor blade (1), and the convex key (203) provided on the main knife seat (201) and the auxiliary knife seat (202) is matched and clamped in the anti-loosening key groove (101) provided on the top of the scissor blade (1), and the main knife seat (201) and the auxiliary knife seat (202) are provided with a second bolt through hole corresponding to the first bolt through hole (1011) provided on the scissor blade (1), and the first bolt through hole (1011) and the second bolt through hole are connected by a matching inserted bolt nut member (3).

2. A gantry scissor blade fixing structure according to claim 1, characterized in that: A plurality of guide pins (2011) arranged at equal intervals are connected to one side of the main knife seat (201) close to the auxiliary knife seat (202); the guide pins (2011) are arranged horizontally, and the auxiliary knife seat (202) is provided with guide holes at positions corresponding to the guide pins (2011), and the guide pins (2011) are inserted into the guide holes.

3. A gantry scissor blade fixing structure according to claim 1, characterized in that: The top of the auxiliary knife seat (202) contacts the bottom surface of the top of the main knife seat (201), and a distance of 0-5 cm is reserved on the adjacent sides of the main knife seat (201) and the auxiliary knife seat (202).

4. A gantry scissor blade fixing structure according to claim 1, characterized in that: A sleeve (301) is inserted into the second bolt through hole (1011) provided on the main tool seat (201) and the auxiliary tool seat (202) and the corresponding first bolt through hole (1011), and the inner diameter of the sleeve (301) matches the outer diameter of the bolt and nut member (3).

5. A gantry scissor blade fixing structure according to claim 1, characterized in that: The anti-loosening key slot (101) at the top of the scissor blade (1) close to the main blade seat (201) is provided with a wedge-shaped slot (1012) on the upper and lower groove edges, and the main blade seat (201) is provided with a wedge-shaped clip (2031) that matches the wedge-shaped slot (1012). The anti-loosening key slot (101) at the top of the scissor blade (1) close to the auxiliary blade seat (202) is provided with a wedge-shaped slot (1012) on the upper and lower groove edges, and the auxiliary blade seat (202) is provided with a wedge-shaped clip (2031) that matches the wedge-shaped slot (1012).

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