Checkweigher with limiting and fixing functions
Through innovative design of the conveyor belt and limit components, the problem of unstable limit switching when the checkweigher is used with products of different sizes has been solved, achieving stable limit switching and accurate checkweighing, and protecting the products from damage.
Patent Information
- Application Number
- CN202422687062.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing checkweighers have unstable limit and fixation effects when dealing with products of different lateral dimensions, resulting in inaccurate checkweighing results, especially for bagged rice products, which are prone to packaging damage during transportation.
The design combines a conveyor belt and a limiting component. The conveyor belt provides power, and the limiting baffle, through a return spring and roller design, adapts to the limiting requirements of products of different sizes, ensuring that the product stays away from the edge of the conveyor belt. Combined with the linkage of the positioning rod and the connecting rod, stable limiting is achieved.
It achieves stable positioning and fixing of products of different sizes, improves the accuracy of checkweighing results and product protection, and avoids packaging damage.
Smart Images
Figure CN223457575U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of checkweigher, especially to a checkweigher with limiting and fixing functions. BACKGROUND
[0002] The checkweigher is used to detect the weight of each product in the production line, and the limiting and fixing functions added to the checkweigher can stabilize the position of the product during the detection, so that the measured product is far away from the edge position of the checkweigher, and the stability of the detection result is improved.
[0003] In the prior art, the limiting and fixing functions are mainly realized by pushing rods that extrude the product from both sides to limit and fix the product. Taking the detection of bagged rice as an example, since the internal rice has a certain fluidity, the product will present various stopping forms when it is transported to the top of the checkweigher, and the horizontal size of the product varies in various stopping forms. However, the limiting and fixing of the product by the pushing rods cannot be flexibly adapted to various horizontal sizes, resulting in unstable limiting and fixing effect and damage to the package. SUMMARY
[0004] The utility model aims to provide a checkweigher with limiting and fixing functions, which can adapt to products of various horizontal sizes without additional adjustment, ensure the limiting and fixing effect for products of different sizes, and improve the stability of the detection result.
[0005] The utility model provides a checkweigher with limiting and fixing functions, which comprises:
[0006] A conveying belt is fixedly assembled on the scale table of the checkweigher, and the measured product passes through the conveying belt one by one.
[0007] A limiting assembly comprises a fixed support and a limiting baffle, the fixed support is fixedly assembled above the conveying belt, the fixed support is fixedly connected to the frame of the conveying belt, and the limiting baffle is slidingly assembled on the fixed support in the horizontal direction.
[0008] The limiting baffle is an arc-shaped plate, the limiting baffle is curved outward near one side of the feeding end of the conveying belt, and the limiting baffle slides on the fixed support in a direction perpendicular to the conveying direction of the conveying belt.
[0009] Preferably, the limiting assembly further comprises a return spring, the return spring is horizontally arranged, and the two ends of the return spring abut against the side walls of the fixed support and the limiting baffle respectively, and the return spring pushes the limiting baffle to slide inward of the conveying belt by the elastic force.
[0010] Preferably, the limiting baffle is composed of an inlet section, a transition section and an outlet section in series, the transition section is flat, and the return spring abuts against the side wall of the transition section.
[0011] Preferably, the inlet section and the outlet section of the limiting baffle are curved outward.
[0012] Preferably, the limiting assembly further comprises rollers, mounting grooves are formed in the inlet section and the outlet section of the limiting baffle, and the rollers are closely arranged and uniformly assembled in the mounting grooves, and the rollers rotate in the mounting grooves under the friction of the measured products.
[0013] Preferably, two symmetrical limiting baffles are slidingly assembled on the fixing support.
[0014] Preferably, a sliding groove is formed in the fixing support, a connecting column is integrally formed on the limiting baffle, the connecting column is slidingly assembled in the sliding groove, at least two connecting columns are provided on each limiting baffle, and each connecting column is separately assembled in a sliding groove.
[0015] Preferably, the weight checking scale with limiting and fixing functions further comprises a positioning rod and a connecting rod, the positioning rod is integrally connected to the fixing support, two symmetrical limiting baffles each contain two adjacent connecting columns, a total of four connecting columns correspond to four sliding grooves arranged in a rectangle on the fixing support, the positioning rod is located at the axisymmetric point of the four sliding grooves arranged in a rectangle, the connecting rod is rotatably assembled at the middle position of the positioning rod, the positioning rod is provided with an extension groove at both ends, and the extension grooves at both ends of the positioning rod are respectively sleeved on two positioning rods arranged at opposite angles.
[0016] Preferably, the weight checking scale with limiting and fixing functions further comprises an input conveyor belt and an output conveyor belt, the input conveyor belt and the output conveyor belt are respectively connected to the input end and the output end of the conveyor belt.
[0017] Preferably, the input conveyor belt and the output conveyor belt have the same speed, and the conveyor belt has a higher speed than the input conveyor belt and the output conveyor belt.
[0018] The utility model discloses a technical scheme that the measured product is inputted and outputted through the auxiliary of the conveyer belt, and the conveyer belt also provides power for the process that the measured product is limited and fixed by the limiting assembly, the measured product is away from the edge of the conveyer belt under the joint action of the conveyer belt and the limiting baffle, and the measured product will push the limiting baffle to slide on the fixed support as the measured product is away from the edge of the conveyer belt, the measured product of bigger volume is heavier, thereby guaranteeing the smooth sliding of the fixed support, the measured product of smaller volume can be more in the middle position of the limiting baffle under the condition that the limiting baffle does not move, the angle between the surface of the middle position of the limiting baffle and the sliding direction of the limiting baffle is smaller, and the pushing effect of the measured product is better, thereby guaranteeing the smooth sliding of the fixed support, the limiting baffle is not blocked after sliding open, the measured product passes smoothly, the position of the measured product has been away from the edge position of the conveyer belt at this time, the limiting and fixing effect is good, and the weighing result is stable. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.
[0020] Figure 1 It is an isometric view of the weighing scale with limiting and fixing functions of the utility model,
[0021] Figure 2 It is an isometric view of the weighing scale with limiting and fixing functions of the utility model, Figure 1 It is the assembly view of the limiting assembly in the weighing scale with limiting and fixing functions,
[0022] Figure 3 It is the assembly view of the limiting assembly in the weighing scale with limiting and fixing functions, Figure 1 It is the sectional view of the limiting assembly in the weighing scale with limiting and fixing functions,
[0023] Figure 4 It is the assembly view of the limiting assembly in the weighing scale with limiting and fixing functions, Figure 1 It is the assembly view of the limiting assembly in the weighing scale with limiting and fixing functions,
[0024] Figure 5 It is the assembly view of the limiting assembly in the weighing scale with limiting and fixing functions, Figure 1 It is the assembly view of the limiting assembly in the weighing scale with limiting and fixing functions.
[0025] BRIEF DESCRIPTION OF DRAWINGS
[0026] 1, conveyer belt, 2, limiting assembly, 21, fixed support, 22, limiting baffle, 23, return spring, 24, gyro wheel, 31, sliding slot, 32, connecting column, 41, positioning rod, 42, connecting rod, 51, input conveyer belt, 52, output conveyer belt. DETAILED DESCRIPTION
[0027] The technical solutions of the utility model will be described below in connection with the embodiments, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.
[0028] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0029] In the description of the utility model, it is understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicative or implied of relative importance or impliedly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0030] In combination Figures 1 to 5 As shown in the utility model, a kind of check weigher with limiting and fixing function is provided, which includes conveying belt 1 and limiting component 2.
[0031] In combination Figures 1 to 5As shown, the conveyor belt 1 is fixedly assembled on the weighing platform of the checkweigher, and the products to be measured pass through the conveyor belt 1 one by one; the limiting assembly 2 includes a fixed bracket 21 and a limiting baffle 22, the fixed bracket 21 is fixedly assembled above the conveyor belt 1, the fixed bracket 21 is fixedly connected to the frame of the conveyor belt 1, and the limiting baffle 22 is slidably assembled on the fixed bracket 21 in the horizontal direction; the limiting baffle 22 is an arc-shaped plate, and the limiting baffle 22 is bent outward near the feeding end of the conveyor belt 1, and the limiting baffle 22 slides on the fixed bracket 21 in a direction perpendicular to the conveying direction of the conveyor belt 1.
[0032] In this embodiment, the conveyor belt 1 assists the measured products in input and output, and at the same time, the conveyor belt 1 also provides power for the limiting component 2 to limit and fix the measured products; the measured products are away from the edge of the conveyor belt 1 under the joint action of the conveyor belt 1 and the limiting baffle 22. As the measured products are away from the edge of the conveyor belt 1, the measured products will push the limiting baffle 22 to slide on the fixed bracket 21; the measured products with larger volume have greater weight, thereby ensuring that the fixed bracket 21 is pushed to slide smoothly, and the measured products with smaller volume can be more in the middle position of the limiting baffle 22 when the limiting baffle 22 does not move. The angle between the middle position surface of the limiting baffle 22 and the sliding direction of the limiting baffle 22 is smaller, and the pushing effect of the measured products is better, thereby ensuring that the fixed bracket 21 is pushed to slide smoothly. After the limiting baffle 22 slides open, it no longer blocks the measured products, and the measured products pass smoothly. At this time, the position of the measured products is already away from the edge position of the conveyor belt 1, the limiting and fixing effect is good, and the weight inspection result is stable.
[0033] In some embodiments, combined Figure 2 As shown, the limit assembly 2 also includes a reset spring 23, which is horizontally arranged and the two ends of the reset spring 23 respectively resist the side walls of the fixed bracket 21 and the limit baffle 22, and the elastic force of the reset spring 23 pushes the limit baffle 22 to slide toward the inside of the conveyor belt 1. The function of the reset spring 23 is mainly to help the limit baffle 22 to reset after the measured product passes through, so as to ensure the limiting and fixing effect of each measured product. At the same time, by changing the strength of the reset spring 23, the equipment can be adapted to more types of measured products, because different types of measured products have different densities, and products with larger density have greater impact force under the same volume. By changing the strength of the reset spring 23, it is possible to adapt to changes in the density of the measured product.
[0034] In some embodiments, combined Figure 2 、 Figure 3As shown, the limiting baffle 22 is composed of an entrance section, a transition section and an exit section in series, the transition section is flat, the return spring 23 abuts against the side wall of the transition section, the transition section of the balance value is more stable when abutting against the return spring 23, and the entrance section and the exit section on both sides of the transition section are symmetrical to each other, so that the stress position of the limiting baffle 22 tends to be in the center position, and the stress process is more stable.
[0035] In some embodiments, in combination with Figure 2 , Figure 3 As shown, the entrance section and the exit section of the limiting baffle 22 are curved outward, which can first increase the symmetry between the entrance section and the exit section, and improve the balance of stress; at the same time, the curved exit section can make the limiting baffle 22 slowly reset during the moving out of the measured product, and reduce the impact in the resetting process.
[0036] In some embodiments, in combination with Figure 3 As shown, the limiting assembly 2 further comprises a plurality of rollers 24, the entrance section and the exit section of the limiting baffle 22 are provided with mounting grooves, the rollers 24 are closely arranged and uniformly assembled in the mounting grooves, the rollers 24 rotate in the mounting grooves under the friction of the measured product, the rollers 24 contact the measured product on the limiting baffle 22, and the rollers 24 can reduce the abrasion of the measured product by rotating, thereby better protecting the measured product.
[0037] In some embodiments, in combination with Figure 1 , Figure 2 , Figure 3 As shown, the limiting assembly 2 further comprises a plurality of rollers 24, the entrance section and the exit section of the limiting baffle 22 are provided with mounting grooves, the rollers 24 are closely arranged and uniformly assembled in the mounting grooves, the rollers 24 rotate in the mounting grooves under the friction of the measured product, the rollers 24 contact the measured product on the limiting baffle 22, and the rollers 24 can reduce the abrasion of the measured product by rotating, thereby better protecting the measured product.
[0038] In some embodiments, in combination with Figure 3 As shown, the fixing support 21 is provided with a sliding groove 31, the limiting baffle 22 is integrally provided with a connecting column 32, and the connecting column 32 is slidingly assembled in the sliding groove 31. Each limiting baffle 22 is provided with at least two connecting columns 32, and each connecting column 32 is separately assembled in one sliding groove 31. The above content illustrates the connection relationship between the fixing support 21 and the limiting baffle 22 once, and this connection relationship is not unique.
[0039] In some embodiments, in combination with Figure 4As shown, the checkweigher with the limiting and fixing functions further comprises positioning rods 41 and connecting rods 42, the positioning rods 41 are integrally connected with the fixing supports 21, each of the two symmetrically distributed limiting baffle plates 22 comprises two adjacent connecting columns 32, and a total of four connecting columns 32 correspond to the four sliding grooves 31 symmetrically distributed on the fixing supports 21, the positioning rods 41 are located at the symmetric points of the four sliding grooves 31, the connecting rods 42 are rotatably arranged at the middle positions of the positioning rods 41, and the two ends of each positioning rod 41 are provided with extension grooves, and the extension grooves at the two ends of each positioning rod 41 are sleeved with the two positioning rods 41 arranged at opposite positions.
[0040] In the embodiment, the positioning rods 41 and the connecting rods 42 are matched to link the two symmetrically distributed limiting baffle plates 22, the positioning rods 41 and the connecting rods 42 are arranged in groups, each positioning rod 41 plus two connecting rods 42 form a group, Figure 4 The two groups of the positioning rods 41 and the connecting rods 42 are matched to make the two symmetric limiting baffle plates 22 move synchronously, that is, the two limiting baffle plates 22 must be simultaneously slid outward or reset inward, so that the limiting ability of the limiting baffle plates 22 to the measured object is increased when the measured object collides with a single limiting baffle plate 22 at an edge position.
[0041] In the embodiment, the two connecting rods 42 are cross-shaped and rotatably arranged on the same positioning rod 41, when one of the limiting baffle plates 22 slides, the connecting columns 32 also slide in the extension grooves of the connecting rods 42, so that the two connecting rods 42 are driven to rotate, the included angle between the two connecting rods 42 changes, and force is transmitted to the other limiting baffle plate 22 with the positioning rod 41 as a support point and the connecting rod 42 as a lever, so that the other limiting baffle plate 22 is forced to symmetrically slide.
[0042] In some embodiments, in combination Figure 5 As shown, the checkweigher with the limiting and fixing functions further comprises an input conveying belt 51 and an output conveying belt 52, the input conveying belt 51 and the output conveying belt 52 are respectively connected with the input end and the output end of the conveying belt 1, the input conveying belt 51 is connected with the input end of the conveying belt 1 and is responsible for conveying the measured product to the conveying belt 1, and the output conveying belt 52 is connected with the output end of the conveying belt 1 and is responsible for conveying the measured product away from the conveying belt 1.
[0043] In some embodiments, in combination Figure 5As shown, the input conveyor belt 51 and the output conveyor belt 52 have the same speed, and the conveyor belt 1 has a higher speed than the input conveyor belt 51 and the output conveyor belt 52. By setting the speed difference between the input conveyor belt 51 and the conveyor belt 1, the spacing between adjacent measured products can be increased after the measured products are transferred from the input conveyor belt 51 to the conveyor belt 1, which is beneficial to the measurement of a single measured product. The input conveyor belt 51 and the output conveyor belt 52 have the same speed, so that the spacing between the measured products can be restored after the measurement is completed, thereby ensuring the synchronization of the input end and the output end.
[0044] Working process: The measured products enter the conveyor belt 1 from the input end. The conveyor belt 1 is started and drives the measured products to move to the other side, and at the same time, the conveyor belt 1 also provides power for the process of limiting and fixing the measured products by the limiting assembly 2. The limiting baffle 22 is an arc-shaped plate and is curved outward near the loading end side of the conveyor belt 1. Therefore, the angle between the position closer to the loading end of the conveyor belt 1 on the surface of the limiting baffle 22 and the movement direction of the conveyor belt 1 is larger. Since the limiting baffle 22 is slidably assembled on the fixed support 21 in a direction perpendicular to the conveying direction of the conveyor belt 1, the closer the measured product is to the edge of the conveyor belt 1, the closer the angle between the force surface of the limiting baffle 22 contacting the measured product and the sliding direction of the limiting baffle 22 is to 90 degrees. The interaction force in the collision is poorer in promoting the sliding of the limiting baffle 22, that is, the limiting baffle 22 will not be pushed when the measured product is close to the edge of the conveyor belt 1. Since the movement of the measured product on the conveyor belt 1 is not limited, the measured product moves to the center position of the conveyor belt 1 under the joint action of the conveyor belt 1 and the limiting baffle 22. After the measured product is close to the center position of the conveyor belt 1, the angle between the force surface of the limiting baffle 22 contacting the measured product and the sliding direction of the limiting baffle 22 is reduced, and the effect of the measured product promoting the sliding of the limiting baffle 22 is improved. Finally, the measured product successfully pushes the limiting baffle 22 to slide away and is conveyed backward.
[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitutions for part or all of the technical features. These modifications or substitutions do not change the essence of the corresponding technical solutions beyond the scope of the technical solutions of the embodiments of the present application.
Claims
1. A checkweigher with a limit fixing function, characterized in that, Include: The conveyor belt (1) is fixedly assembled on the scale table of the checkweigher, and the measured products pass through the conveyor belt (1) one by one. The limiting assembly (2) includes a fixed support (21) and a limiting baffle (22), the fixed support (21) is fixedly assembled above the conveyor belt (1), the fixed support (21) is fixedly connected with the frame of the conveyor belt (1), and the limiting baffle (22) is slidingly assembled on the fixed support (21) in the horizontal direction. The limiting baffle (22) is an arc-shaped plate, the limiting baffle (22) is curved outward near one side of the feeding end of the conveyor belt (1), and the limiting baffle (22) slides on the fixed support (21) in a direction perpendicular to the conveying direction of the conveyor belt (1).
2. Checkweigher with limit fixing function according to claim 1, characterized in that, The limiting assembly (2) further comprises a reset spring (23), the reset spring (23) is horizontally arranged, and the two ends of the reset spring (23) abut against the side walls of the fixed support (21) and the limiting baffle (22) respectively, and the reset spring (23) pushes the limiting baffle (22) to slide to the inner side of the conveyor belt (1) by elastic force.
3. Checkweigher with limit fixing function according to claim 2, characterized in that, The limiting baffle (22) is composed of an inlet section, a transition section and an outlet section in series, the transition section is straight, and the reset spring (23) abuts against the side wall of the transition section.
4. The checkweigher with limit fixing function according to claim 3, characterized in that, The inlet section and the outlet section of the limiting baffle (22) are curved outward.
5. The checkweigher with limit fixing function according to claim 3, characterized in that, The limiting assembly (2) further comprises a plurality of rollers (24), the inlet section and the outlet section of the limiting baffle (22) are provided with mounting grooves, the rollers (24) are closely arranged and uniformly assembled in the mounting grooves, and the rollers (24) rotate in the mounting grooves under the friction of the measured products.
6. The checkweigher with limit fixing function according to claim 1, characterized in that, Two limiting baffles (22) are symmetrically arranged on the fixed support (21).
7. The checkweigher with limit fixing function according to claim 1, characterized in that, The fixed support (21) is provided with a sliding groove (31), the limiting baffle (22) is integrally provided with a connecting column (32), the connecting column (32) is slidingly assembled in the sliding groove (31), at least two connecting columns (32) are arranged on each limiting baffle (22), and each connecting column (32) is separately arranged in a sliding groove (31).
8. Checkweigher with limit fixing function according to claim 6 or 7, characterized in that, Further comprising a positioning rod (41) and a connecting rod (42), the positioning rod (41) is integrally connected with the fixed support (21), two limiting baffles (22) symmetrically arranged on the fixed support (21) each contain two adjacent connecting columns (32), a total of four connecting columns (32) correspond to four sliding grooves (31) arranged in a rectangle on the fixed support (21), the positioning rod (41) is located at the axisymmetric point of the four sliding grooves (31) arranged in a rectangle, the connecting rod (42) is rotatably arranged at the middle position of the positioning rod (41), and the positioning rod (41) is provided with an extension groove at both ends, and the extension grooves at both ends of the positioning rod (41) are sleeved on two positioning rods (41) arranged at opposite angles.
9. The checkweigher with limit fixing function according to claim 1, characterized in that, It also comprises an input conveyor belt (51) and an output conveyor belt (52) which respectively interface the input end and the output end of the conveyor belt (1).
10. The checkweigher with limit fixing function according to claim 9, characterized in that, The input conveyor belt (51) and the output conveyor belt (52) have the same speed, and the conveyor belt (1) has a higher speed than the input conveyor belt (51) and the output conveyor belt (52).