Pitch changing device capable of independently rotating up and down

Abstract

The utility model discloses a pitch changing device capable of independently rotating up and down, which comprises a pitch changing assembly, a mounting bottom plate, a vertical plate, a linear guide rail mounting block, a linear guide rail, a bearing, a cam pitch changing shaft, a work station mounting plate and a cam follower, the linear guide rail is fixed on the linear guide rail mounting block, and the cam follower is fixed on the work station mounting plate. The bearings are fixed to the two ends of the vertical plates, the cam variable pitch shaft penetrates through the bearings to be fixed to the vertical plates on the two sides, the work station mounting plate is fixed to the linear guide rails, and the up-down rotating assembly comprises a hollow rotating motor, a second linear guide rail, a second synchronous wheel, a second synchronous belt and an up-down driving motor. The hollow rotating motor is fixed to the lower end of the second linear guide rail, the vertical driving motor is installed on one side of the second synchronizing wheel, the suction cup assembly comprises a copper pipe, a sliding rod in the copper pipe, a steel ball and a suction nozzle base, a straight hole is formed in the sliding rod, the steel ball is embedded in the straight hole, and the suction nozzle base is locked in the sliding rod through the steel ball.

Description

Technical Field

[0001] The utility model relates to the technical field of variable pitch tooling, in particular to a variable pitch device that can rotate up and down independently. Background Technique

[0002] In automated production, when products go through various processes, they are usually grouped in multiples and multiple groups work simultaneously. Therefore, for later processing requirements and cost considerations, it is necessary to adjust the spacing between products. In some workstations, it is also necessary to separately load materials and rotate the product posture. Existing equipment, although it can replace and simplify manual operations, take out products by adding automated components on the equipment, and make products meet the requirements of the automated process by adding some devices to adjust the product posture, but the working process of this method is too cumbersome, and the use and later maintenance costs are high, far from meeting the current manufacturing industry's requirements for output and precision.

[0003] In view of this, a variable pitch device that can rotate up and down independently is proposed from a practical perspective. Content of the Utility Model

[0004] The purpose of the utility model is to provide a variable pitch device that can rotate up and down independently to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A variable pitch device that can rotate up and down independently, characterized in that it includes:

[0007] A variable pitch component, including a mounting base plate, vertical plates and linear guide rail mounting blocks arranged on both sides of the mounting base plate, linear guide rails, bearings, a cam variable pitch shaft, a workstation mounting plate and cam followers. The linear guide rails are fixed on the linear guide rail mounting blocks, the cam followers are fixed on the workstation mounting plates, the bearings are respectively fixed at both ends of the vertical plates, the cam variable pitch shaft passes through the bearings on both sides and is fixed on the vertical plates on both sides, and multiple groups of workstation mounting plates are fixed on the linear guide rails on both sides;

[0008] An up and down rotation component, fixed on the variable pitch component, including a hollow rotary motor, a second linear guide rail, a second synchronous pulley, a second synchronous belt and an up and down drive motor. The second synchronous pulley is installed on the second linear guide rail, the second synchronous pulley is connected and rotated through the second synchronous belt, the hollow rotary motor is fixed at the lower end of the second linear guide rail through a connecting piece for controlling the up and down and rotation of the up and down rotation component to run simultaneously, and the up and down drive motor is installed on one side of the second synchronous pulley for driving the up and down movement of the up and down rotation component;

[0009] The suction cup assembly is fixed on the up-and-down rotation assembly and includes a copper tube, a slide rod placed inside the copper tube, steel balls, and a nozzle seat. A straight hole is provided on the slide rod, the steel balls are embedded in the straight hole of the slide rod, and the nozzle seat is locked in the slide rod by relying on the steel balls.

[0010] Preferably, a notch is provided on the cam variable pitch shaft, and the cam follower is embedded in the notch of the cam variable pitch shaft.

[0011] Preferably, the variable pitch assembly further includes a motor mounting plate, a motor, and a synchronous pulley provided on the motor mounting plate. The motor mounting plate is mounted on the outside of the vertical plate, and the motor is mounted at one end of the motor mounting plate for driving the variable pitch assembly to change the pitch.

[0012] Preferably, the variable pitch assembly further includes a synchronous belt and a belt tensioning sheet metal. There are two synchronous pulleys, and the synchronous pulleys are connected and rotated through the synchronous belt. The belt tensioning sheet metal is used to tension the tightness of the synchronous belt.

[0013] Preferably, a protective cover is fixed on the motor mounting plate for isolating the rotating area of the assembly.

[0014] Preferably, the variable pitch assembly further includes a home sensor, and the home sensor is fixed on the vertical plate.

[0015] Preferably, the up-and-down rotation assembly further includes a tension spring, and the tension spring elastically connects the fixed end and the moving end of the up-and-down rotation assembly.

[0016] Preferably, the up-and-down rotation assembly further includes a second home sensor for zeroing the position.

[0017] Preferably, the suction cup assembly further includes a tube sleeve, a snap ring, and a spring. The tube sleeve is arranged outside the nozzle seat, a slot opening is provided on the slide rod, the snap ring is snapped into the slot opening of the slide rod, and the spring is arranged between the copper tube and the slide rod and between the snap ring and the tube sleeve.

[0018] The beneficial effects of the present utility model: By providing a cam follower on the variable pitch assembly, under the drive of the motor in the variable pitch assembly, the cam follower will slide along the notch opened on the cam variable pitch shaft, so as to realize the simultaneous change of the pitch at multiple stations. And a hollow rotary motor and a second motor are provided on the up-and-down rotation assembly to meet the up-and-down movement and rotation of the device. At the same time, a tension spring is added to prevent the device from falling rapidly when there is no enable, causing damage to the device. Finally, on the suction cup assembly, the nozzle seat is used to achieve quick disassembly and replacement, improving the efficiency. Description of the Drawings

[0019] Figure 1 is the structural diagram of the present utility model;

[0020] Figure 2 This is the structural diagram of the pitch-changing component in the present utility model;

[0021] Figure 3 This is the structural diagram of the pitch-changing component from another angle in the present utility model;

[0022] Figure 4 This is the structural diagram of the cam follower of the pitch-changing component in the present utility model;

[0023] Figure 5 This is the structural diagram of the up-and-down rotation component in the present utility model;

[0024] Figure 6 This is the structural diagram of the suction cup quick-change component in the present utility model;

[0025] Reference numerals: 1, pitch-changing component; 101, mounting base plate; 102, vertical plate; 103, linear guide rail mounting block; 104, linear guide rail; 105, bearing; 106, origin sensor; 107, cam pitch-changing shaft; 108, workstation mounting plate; 109, protective cover; 110, motor mounting plate; 111, motor; 112, synchronous belt; 113, synchronous pulley; 114, belt tensioning sheet metal; 115, cam follower; 2, up-and-down rotation component; 201, hollow rotary motor; 202, second origin sensor; 203, tension spring; 204, second linear guide rail; 205, second synchronous pulley; 206, second synchronous belt; 207, up-and-down drive motor; 3, suction cup component; 301, copper pipe; 302, snap ring; 303, spring; 304, pipe sleeve; 305, slide bar; 306, steel ball; 307, suction nozzle seat. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0028] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] Please refer to Figures 1 - 6 , Figures 1 - 6 which schematically shows a pitch-changing device that can be rotated up and down independently according to the present utility model.

[0030] A pitch-changing device that can be rotated up and down independently, characterized by comprising:

[0031] A pitch-changing component 1, including a mounting base plate 101, vertical plates 102 and linear guide rail mounting blocks 103 arranged on both sides of the mounting base plate 101, a linear guide rail 104, bearings 105, a cam pitch-changing shaft 107, a work station mounting plate 108 and a cam follower 115. The linear guide rail 104 is fixed on the linear guide rail mounting block 103, the cam follower 115 is fixed on the work station mounting plate 108, the bearings 105 are respectively fixed at both ends of the vertical plate 102, the cam pitch-changing shaft 107 passes through the bearings 105 on both sides and is fixed on the vertical plates 102 on both sides, and multiple groups of work station mounting plates 108 are fixed on the linear guide rails 104 on both sides;

[0032] An up-and-down rotation component 2, fixed on the pitch-changing component 1, including a hollow rotary motor 201, a second linear guide rail 204, a second synchronous pulley 205, a second synchronous belt 206 and an up-and-down drive motor 207. The second synchronous pulley 205 is installed on the second linear guide rail 204, and the second synchronous pulley 205 is connected and rotated through the second synchronous belt 206. The hollow rotary motor 201 is fixed at the lower end of the second linear guide rail 204 through a connecting piece for controlling the simultaneous up-and-down and rotation operation of the up-and-down rotation component 2. The up-and-down drive motor 207 is installed on one side of the second synchronous pulley 205 for driving the up-and-down movement of the up-and-down rotation component 2;

[0033] A suction cup component 3, fixed on the up-and-down rotation component 2, including a copper tube 301, a slide rod 305 placed inside the copper tube 301, steel balls 306 and a suction nozzle seat 307. A straight hole is provided on the slide rod 305, and the steel balls 306 are embedded in the straight hole of the slide rod 305. The suction nozzle seat 307 is locked in the slide rod 305 by relying on the steel balls 306.

[0034] Among them, the cam pitch-changing shaft 107 passes through the bearings 105 on both sides and is supported and suspended by the vertical plates 102.

[0035] Among them, the second linear guide rail 204 of the up-and-down rotation assembly 2 slides and is connected to the second synchronous belt 206 through a toothed pressure plate for follow-up movement.

[0036] Among them, the pitch-changing assembly 1 is provided with positive and negative limits to protect against excessive pitch change.

[0037] Furthermore, a notch is provided on the cam pitch-changing shaft 107, and the cam follower 115 is embedded in the notch of the cam pitch-changing shaft 107.

[0038] Furthermore, the pitch-changing assembly 1 further includes a motor mounting plate 110, a motor 111, and a synchronous pulley 113 arranged on the motor mounting plate 110. The motor mounting plate 110 is mounted on the outside of the vertical plate 102, and the motor 111 is mounted at one end of the motor mounting plate 110 to drive the pitch-changing assembly 1 to change the pitch.

[0039] Furthermore, the pitch-changing assembly 1 further includes a synchronous belt 112 and a belt tensioning sheet metal 114. There are two synchronous pulleys 113, and the synchronous pulleys 113 are connected and rotated through the synchronous belt 112. The belt tensioning sheet metal 114 is used to tension the tightness of the synchronous belt 112.

[0040] Among them, the function of the belt tensioning sheet metal 114 is to make the synchronous belt 112 run stably.

[0041] Furthermore, the protective cover 109 is fixed to the motor mounting plate 110 to isolate the rotating area of the components.

[0042] Furthermore, the pitch-changing assembly 1 further includes a home sensor 106, and the home sensor 106 is fixed on the vertical plate 102.

[0043] Furthermore, the up-and-down rotation assembly 2 further includes a tension spring 203, and the tension spring 203 elastically connects the fixed end and the moving end of the up-and-down rotation assembly 2.

[0044] Among them, the tension spring 203 is provided to prevent the moving end of the device from suddenly falling rapidly when the motor suddenly stops, causing damage to the components of the device.

[0045] Furthermore, the up-and-down rotation assembly 2 further includes a second home sensor 202 for zeroing the position.

[0046] Among them, both the home sensor 106 and the second home sensor 202 are used to zero and restore the positions of the components in the device.

[0047] Furthermore, the suction cup assembly 3 further includes a bushing 304, a snap ring 302, and a spring 303. The bushing 304 is arranged outside the suction nozzle seat 307. A slot opening is provided on the slide rod 305, and the snap ring 302 is snapped into the slot opening of the slide rod 305. The spring 303 is arranged between the copper tube 301 and the slide rod 305 and between the snap ring 302 and the bushing 304.

[0048] Among them, the snap ring 302 is used to resist the force between the spring 303 and the bushing 304.

[0049] The beneficial effects of the present utility model:

[0050] By arranging a cam follower 115 on the variable pitch assembly 1, driven by the motor 111 in the variable pitch assembly 1, the cam follower 115 will slide along the notch opened on the cam variable pitch shaft 107, so as to realize the simultaneous change of the pitch at multiple workstations. And a hollow rotary motor 201 and an up-and-down drive motor 207 are arranged on the up-and-down rotary assembly 2 to meet the up-and-down movement and rotation of the device. At the same time, a tension spring 203 is added to prevent the device from falling rapidly when there is no enable, causing damage to the device. Finally, a nozzle seat 307 is used on the suction cup assembly 3 to achieve rapid disassembly and replacement, improving the efficiency.

[0051] The working principle of the present utility model:

[0052] The variable pitch assembly 1 is clamped into the notch opened on the cam variable pitch shaft 107 through the cam follower 115. The connecting piece is connected to the two linear guide rails 104 on both sides to limit the swing. When the motor 111 rotates, the cam follower 115 will slide along the notch opened on the cam variable pitch shaft 107, so as to realize the simultaneous increase or decrease of the pitch at multiple workstations;

[0053] When the up-and-down drive motor 207 of the single up-and-down rotary assembly 2 rotates, the driving force is transmitted at both ends connected by the second synchronous belt 206, driving the device to move up and down. A hollow rotary motor 201 is fixed at the up-and-down moving end, which can ensure the simultaneous operation of the up-and-down movement and rotation. Among them, a second origin inductor 202 is provided on the single up-and-down rotary assembly 2 for zeroing the position;

[0054] The structure of the suction cup assembly 3 is similar to the male-female head structure. Steel balls 306 are built in. The spring 303 presses against the bushing 304 to press and hold the steel balls 306 to death, so that the steel balls 306 hold the nozzle seat 307. Pull out the nozzle seat 307 for replacement. Push the bushing 304 to compress the spring 303, so that the steel balls 306 are loosened, and then it can be taken out.

[0055] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0056] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pitch-changing device capable of rotating up and down independently, characterized in that: include: A pitch-changing assembly, comprising a mounting base plate, vertical plates and linear guide mounting blocks arranged on both sides of the mounting base plate, linear guides, bearings, a cam pitch-changing shaft, a station mounting plate and a cam follower, wherein the linear guide is fixed on the linear guide mounting block, the cam follower is fixed on the station mounting plate, the bearings are respectively fixed on both ends of the vertical plate, the cam pitch-changing shaft passes through the bearings on both sides and is fixed on the vertical plates on both sides, and a plurality of sets of station mounting plates are fixed on the linear guides on both sides; An up-and-down rotating assembly is fixed on the pitch-changing assembly, and includes a hollow rotating motor, a second linear guide, a second synchronous wheel, a second synchronous belt, and an up-and-down driving motor. The second linear guide is provided with the second synchronous wheel, and the second synchronous wheel is connected and rotated via the second synchronous belt. The hollow rotating motor is fixed to the lower end of the second linear guide via a connecting piece, and is used to control the up-and-down rotating assembly to move up and down and rotate simultaneously. The up-and-down driving motor is installed on one side of the second synchronous wheel, and is used to drive the up-and-down rotating assembly to move up and down. The suction cup assembly is fixed on the upper and lower rotating assemblies, and includes a copper tube, a sliding rod placed inside the copper tube, a steel ball and a suction nozzle seat. The sliding rod is provided with a straight hole, the steel ball is embedded in the straight hole of the sliding rod, and the suction nozzle seat is locked in the sliding rod by the steel ball.

2. A pitch-changing device capable of independently rotating up and down according to claim 1, characterized in that: The cam pitch-changing shaft is provided with a notch, and the cam follower is embedded in the notch of the cam pitch-changing shaft.

3. A pitch-changing device capable of independently rotating up and down according to claim 2, characterized in that: The variable pitch assembly also includes a motor mounting plate, a motor, and a synchronous wheel arranged on the motor mounting plate. The motor mounting plate is installed on the outer side of the vertical plate, and the motor is installed at one end of the motor mounting plate to drive the variable pitch assembly to change the pitch.

4. A pitch-changing device capable of independently rotating up and down according to claim 3, characterized in that: The pitch-changing assembly also includes a synchronous belt and a belt tensioning sheet metal. Two synchronous wheels are provided. The synchronous wheels are connected and rotated through the synchronous belt. The belt tensioning sheet metal is used to tighten the tightness of the synchronous belt.

5. The pitch-changing device capable of independently rotating up and down according to claim 4, characterized in that: The protective cover is fixed to the motor mounting plate and is used to isolate the rotating area of ​​the component.

6. A pitch-changing device capable of independently rotating up and down according to claim 5, characterized in that: The variable pitch assembly further includes an origin sensor, which is fixed on the vertical plate.

7. A pitch-changing device capable of independently rotating up and down according to claim 6, characterized in that: The up-and-down rotating assembly further comprises a tension spring, which elastically connects the fixed end and the movable end of the up-and-down rotating assembly.

8. The pitch-changing device capable of independently rotating up and down according to claim 7, characterized in that: The up and down rotating assembly also includes a second origin sensor for returning the position to zero.

9. The pitch-changing device capable of independently rotating up and down according to claim 8, characterized in that: The suction cup assembly also includes a tube sleeve, a retaining spring and a spring. The tube sleeve is arranged on the outside of the suction nozzle holder. The slide rod is provided with a slot. The retaining spring is inserted into the slot of the slide rod. The spring is arranged between the copper tube and the slide rod and between the retaining spring and the tube sleeve.

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