Automatic dotting machine for copper pipe joint

Abstract

The utility model discloses an automatic dotting machine for copper pipe joints. The automatic dotting machine comprises a feeding mechanism and a dotting mechanism. The dotting mechanism comprises two sliding blocks which are arranged left and right; a dotting needle is arranged on the sliding block in the direction perpendicular to the guide column. The feeding mechanism comprises a slide way arranged in an inclined mode and a feeding component arranged above the dotting mechanism. The feeding component can move up and down to convey a copper pipe joint to be dotted to the position between the left sliding block and the right sliding block. The feeding part comprises an upper clamping block and a lower clamping block; a reset spring I is arranged between the two clamping blocks. According to the utility model, the feeding mechanism is simple in structure and single in movement mode, so that the failure rate is low and the cost is low. A special discharging mechanism is not needed, after the left sliding block and the right sliding block are separated, the copper pipe joints automatically fall into a finished product basket under the action of gravity, and other equipment or power assistance is not needed.

Description

Technical Field

[0001] The utility model relates to a device for marking copper pipe joints. Background Art

[0002] Copper tube components are mainly used in refrigeration equipment such as air conditioners and refrigerators. Since the host manufacturers have different designs for the host, many copper tube components need to be customized.

[0003] like Figure 1 The copper condenser pipe joint shown comprises a tubular body 101 and reduced diameter parts 102 at both ends. In order to facilitate connection with the capillary copper tube, the two reduced diameter parts need to impact the side wall to form an inward convex point for positioning.

[0004] The existing operations are all done manually, which requires manual loading and driving of the dotting device, resulting in low dotting efficiency. Utility Model Content

[0005] In view of this, the utility model provides an automatic dotting machine for copper pipe joints, which can realize automatic dotting of copper pipe joints.

[0006] In order to solve the above technical problems, the technical solution of the utility model is to use an automatic dotting machine for copper pipe joints, including a feeding mechanism and a dotting mechanism; the dotting mechanism includes two sliders arranged on the left and right; the sliders can move closer or farther away from each other along a guide column to clamp or loosen the copper pipe joint to be dotted; a dotting needle is arranged on the upper edge of the slider in a direction perpendicular to the guide column; the dotting needle can move forward and backward to dot the reduced diameter part of the copper pipe joint to be dotted;

[0007] The feeding mechanism comprises an inclined slideway and a feeding component arranged above the dotting mechanism; the feeding component can move up and down to deliver the copper pipe joint to be dotted to between the left and right slide blocks; the feeding component comprises an upper and lower clamping block; the two clamping blocks are movably connected and grooves are provided on the contact surfaces of the two clamping blocks, so that when the two clamping blocks are closed, a clamping cavity for accommodating the copper pipe joint to be dotted can be formed; a reset spring I is provided between the two clamping blocks;

[0008] The clamping cavity can move with the loading component to face the slide outlet to receive the copper pipe joint to be marked from the slide; the upper clamping block includes a shielding facade arranged above the clamping cavity. When the loading component moves up and down, the shielding facade can shield the slide outlet to prevent the copper pipe joint to be marked from slipping.

[0009] As an improvement, a push plate for driving the dotting needle to dot is arranged behind the dotting needle, and the push plate is driven by a cylinder; a return spring II is arranged between the dotting needle and the slider.

[0010] As a further improvement, a positioning pin is provided on the slider, and when the left and right sliders are close to each other, the positioning pin can be inserted into the reduced diameter portion of the copper pipe joint to be dotted.

[0011] As another further improvement, the outer diameter of the positioning pin is consistent with the inner diameter of the reduced diameter portion of the copper pipe joint to be dotted.

[0012] As an improvement, the positioning pin can slide back and forth, and a baffle is provided behind the positioning pin. When the slider moves in the separation direction, the positioning pin can contact the baffle to push the positioning pin forward; a return spring III is provided between the positioning pin and the slider.

[0013] As an improvement, it also includes a bottom block for supporting the guide column; the baffle is provided with a long hole arranged along the axial direction of the guide column, and the adjusting bolt passes through the long hole to fix the baffle on the bottom block.

[0014] As an improvement, the slider is L-shaped, which is composed of a transverse block and a longitudinal block, and the positioning pin and the dot-punch needle are respectively arranged on the transverse block and the longitudinal block of the L-shaped slider.

[0015] As an improvement, the slider is C-shaped composed of two longitudinal blocks and one transverse block, and the dot-marking needles are two symmetrically arranged along the axis of the positioning pin; the positioning pin and the dot-marking needle are respectively arranged on the transverse block and the longitudinal block of the C-shaped slider.

[0016] As an improvement, the upper clamping block and the lower clamping block are connected by a hinge.

[0017] As an improvement, an axial mounting groove is formed on the upper clamping block and the lower clamping block, and the reset spring I is arranged in the mounting groove.

[0018] The utility model is beneficial in that:

[0019] The feeding mechanism of the utility model comprises an inclined slideway and a feeding component arranged above the dotting mechanism; the feeding component can move up and down to deliver the copper pipe joint to be dotted to between the left and right sliders; the feeding component comprises two upper and lower clamping blocks; the two clamping blocks are movably connected and grooves are provided on the contact surfaces of the two clamping blocks, so that when the two clamping blocks are closed, a clamping cavity for accommodating the copper pipe joint to be dotted can be pieced together; a reset spring I is arranged between the two clamping blocks.

[0020] When loading, you only need to face the slideway through the clamping cavity of the loading component. The copper pipe joint in the slideway will automatically fall into the clamping cavity under the action of gravity. After receiving the copper pipe joint, the loading component moves downward to send the copper pipe joint between the left and right slide blocks. During the downward movement of the loading component, the shielding facade of the upper clamping block shields the opening of the slideway to prevent the copper pipe joint to be marked from slipping.

[0021] The dotting mechanism of the utility model comprises two sliders arranged on the left and right; the sliders can move closer or farther away from each other along the guide column to clamp or loosen the copper pipe joint to be dotted; a dotting needle is arranged on the slider in a direction perpendicular to the guide column; the dotting needle can move forward and backward to dot the reduced diameter part of the copper pipe joint to be dotted. After the dotting is completed, the left and right sliders move away from each other, so that the copper pipe joint automatically falls into the finished product basket below, completing the unloading.

[0022] In the utility model, the loading mechanism has a simple structure and a single movement mode, which makes it have a low failure rate and low cost. In the utility model, no special unloading mechanism is required. After the left and right sliders are separated, the copper pipe joint automatically falls into the finished product basket under the action of gravity, without the need for other equipment or power assistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of a copper pipe joint.

[0024] Figure 2 It is a schematic diagram of the top view of the dotting mechanism.

[0025] Figure 3 This is the working status diagram of the dotting mechanism.

[0026] Figure 4 It is a front view structural schematic diagram of the feeding mechanism.

[0027] Figure 5-6 This is the working status diagram of the feeding mechanism.

[0028] Markings in the figure: 1 slider, 2 guide column, 3 dot needle, 4 positioning pin, 5 return spring II, 6 push plate, 7 return spring III, 8 baffle, 9 bottom block, 10 slideway, 11 upper clamping block, 12 lower clamping block, 13 return spring I, 101 body, 102 reduced diameter portion. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with specific implementation methods.

[0030] The prior art CN202021150695.9 discloses a copper tube positioning and dotting machine, comprising a main body, a base is arranged at the bottom, and is characterized in that a dotting device and a feeding mechanism are arranged on the base, and the dotting device and the feeding mechanism are respectively arranged at both ends of the base, and the dotting device comprises a lower pressing die and a punching needle seat, and the punching needle seat is provided with two groups, and a support block for fixing the copper tube is arranged in the middle of the punching needle seat, and a mounting plate is fixed on the base through a column, and the mounting plate is arranged above the dotting device, and a first cylinder is arranged above the mounting plate, and the telescopic end of the first cylinder is connected to the lower pressing die of the dotting device, and the lower pressing die is driven to press down to move the direction of the copper tube of the punching needle seat.

[0031] The feeding process in the above-mentioned prior art is as follows: the vibrating plate of the feeding mechanism is used for feeding, the copper tube to be processed is transported to the slot of the feeding mechanism, the third cylinder drives the push rod to move forward, clamps the copper tube, the air rod of the third cylinder continues to move forward, and the copper tube is transported to the dotting device, the third cylinder retreats, driving the push rod to retreat, the copper tube falls into the connecting groove of the support block, and then the feeding piece is reset, and the dotting device works to dot the copper tube. After the dotting is completed, the second cylinder works, the guide rod moves up to lift the copper tube after dotting, the feeding mechanism transports the next copper tube to be processed, the feeding piece pushes the copper tube that has been dotted into the unloading channel, and then the second cylinder is reset, and the feeding piece continues to move forward to transport the new copper tube to be processed to the connecting groove.

[0032] In the above-mentioned prior art, the unloading process is to drive the guide rod to rise by the second cylinder to remove the dotted copper pipe from the connecting groove.

[0033] It can be seen that in the above-mentioned prior art, both the loading and unloading processes are relatively complicated, and unloading also requires special cylinders and guide rods, making the structure of the entire equipment relatively complicated.

[0034] In order to solve the problem of loading and unloading, such as Figure 2 , Figure 4 As shown, the utility model provides an automatic dotting machine for copper pipe joints, including a feeding mechanism and a dotting mechanism; the dotting mechanism includes two sliders 1 arranged on the left and right; the sliders 1 can move closer to or farther away from each other along a guide column 2 to clamp or loosen the copper pipe joint to be dotted; a dotting needle 3 is arranged on the slider 1 in a direction perpendicular to the guide column 2; the dotting needle 3 can move forward and backward to dot the reduced diameter portion 102 of the copper pipe joint to be dotted;

[0035] The feeding mechanism comprises an inclined slideway 10 and a feeding component arranged above the dotting mechanism; the feeding component can move up and down to deliver the copper pipe joint to be dotted to between the left and right sliders 1; the feeding component comprises two upper and lower clamping blocks, namely an upper clamping block 11 and a lower clamping block 12; the two clamping blocks are movably connected and grooves are provided on the contact surfaces of the two clamping blocks, so that when the two clamping blocks are closed, a clamping cavity for accommodating the copper pipe joint to be dotted can be formed; a reset spring I13 is provided between the two clamping blocks;

[0036] The clamping cavity can move with the loading component to the exit of the slide 10 to receive the copper pipe joint to be marked from the slide 10; the upper clamping block 11 includes a shielding facade arranged above the clamping cavity. When the loading component moves up and down, the shielding facade can shield the exit of the slide 10 to prevent the copper pipe joint to be marked from slipping.

[0037] like Figure 5-6 As shown, when loading materials, the utility model only needs to face the slideway 10 through the clamping cavity of the loading component, and the copper pipe joint in the slideway 10 automatically falls into the clamping cavity under the action of gravity. After receiving the copper pipe joint, the loading component moves downward to send the copper pipe joint between the left and right slide blocks 1. During the downward movement of the loading component, the shielding facade of the upper clamping block 11 shields the opening of the slideway to prevent the copper pipe joint to be marked from slipping.

[0038] When the copper pipe joint is in place, the left and right sliders 1 approach each other to clamp the copper pipe joint and take over the copper pipe joint. At this time, the loading component moves upward, and under the force of the copper pipe joint, the upper clamping block 11 and the lower clamping block 12 open, so that the lower clamping block 12 is separated from the copper pipe joint. The loading component continues to move upward, and after the lower clamping block 12 is completely separated from the copper pipe joint, it will be reset under the action of the reset spring I13 to reassemble into a clamping cavity for receiving the next copper pipe joint.

[0039] like Figure 3 As shown, after the left and right sliders 2 clamp the copper pipe joint, the dotting needle 3 dots the reduced diameter portion 102 of the copper pipe joint. After the dotting is completed, the left and right sliders 1 move away from each other, so that the copper pipe joint automatically falls into the finished product basket below, completing the unloading.

[0040] In the utility model, the loading mechanism has a simple structure and a single movement mode, which makes it low in failure rate and low in cost. In the utility model, no special unloading mechanism is required. After the left and right sliders 1 are separated, the copper pipe joint automatically falls into the finished product basket under the action of gravity, without the need for other equipment or power assistance.

[0041] More specifically, the clamping cavity is semicircular and is used to cooperate with the body of the copper pipe joint. The width of the upper clamping block 11 and the lower clamping block 12 is consistent with the copper pipe joint body 101, so that the reduced diameter parts 102 at both ends of the body 101 can extend out of the clamping cavity and be clamped by the left and right sliders 1. In this embodiment, the slider 1 is driven by a linear drive mechanism such as a cylinder to move forward and backward, so that the two sliders 1 can approach or separate from each other.

[0042] The upper clamping block 11 and the lower clamping block 12 are connected by a hinge, so that the lower clamping block 12 can be flipped up and down by the hinge to open and close. The upper clamping block 11 and the lower clamping block 12 are provided with axial mounting grooves, and the reset spring I13 is arranged in the mounting grooves. The reset spring I13 is hidden and installed inside the upper clamping block and the lower clamping block to prevent foreign matter from interfering with the reset spring I13. In addition, the feeding component is driven up and down by a linear drive mechanism, and a cylinder is preferably used in this embodiment.

[0043] In this embodiment, a push plate 6 is arranged behind the dotting needle to drive the dotting needle 3 to dot, and the push plate 6 is driven by a cylinder (of course, it can also be other linear drive mechanisms); a return spring II5 is arranged between the dotting needle 3 and the slider 1. The push plate 6 and the dotting needle 3 are not fixed, but only in contact, so that the dotting needle 3 can slide on the push plate 6, avoiding interference between the dotting needle 3 and the push plate 6 when the slider 1 moves.

[0044] In addition, in order to facilitate positioning and support the copper pipe joint during dotting, a positioning pin 4 is provided on the slider 1. When the left and right sliders 1 are close to each other, the positioning pin 4 can be inserted into the reduced diameter portion 102 of the copper pipe joint to be dotted. It can be foreseen that the outer diameter of the positioning pin 4 is consistent with the inner diameter of the reduced diameter portion 102 of the copper pipe joint to be dotted. Therefore, when dotting is performed, the copper pipe joint does not move radially and the reduced diameter portion 102 does not deform.

[0045] Since the positioning pin 4 is provided, and the outer diameter of the positioning pin 4 is consistent with the inner diameter of the reduced diameter portion 102 of the copper pipe joint to be dotted, when the left and right sliders 1 are separated, the copper pipe joint may be connected to the positioning pin 4 and cannot be cut.

[0046] In order to solve the problem of being unable to cut materials, in some embodiments, the positioning pin 4 can slide forward and backward, and a baffle 8 is arranged behind the positioning pin. When the slider 1 moves in the separation direction, the positioning pin 4 can contact the baffle 8 to push the positioning pin 4 forward; a reset spring III7 is arranged between the positioning pin 4 and the slider 1. After such arrangement, when the sliders 1 move away from each other, the rear end of the positioning pin 4 will be pushed forward under the action of the baffle 8, thereby creating an impact force to facilitate the copper pipe joint to detach from the positioning pin 4. In addition, during the process of the positioning pin 4 being reset under the action of the reset spring III7, an impact force will also be generated to further help the copper pipe joint to detach from the positioning pin 4.

[0047] In addition, in order to facilitate the support of the guide column 2, a bottom block 9 for supporting the guide column 2 is also included; in order to facilitate the adjustment of the front-to-rear position of the baffle 8, a long hole arranged along the axial direction of the guide column 2 is opened on the baffle 8, and the adjusting bolt passes through the long hole to fix the baffle 8 on the bottom block 9.

[0048] For the convenience of arrangement, the slider 1 is L-shaped, which is composed of a horizontal block and a vertical block. The positioning pin 4 and the dot-marking needle 3 are respectively arranged on the horizontal block and the vertical block of the L-shaped slider.

[0049] In some embodiments, both sides of the reduced diameter portion 102 of the copper pipe joint need to be dotted, so in this embodiment, the slider 1 is a C-shaped block composed of two longitudinal blocks and one transverse block, and the dot-marking needles 3 are two symmetrically arranged along the axis of the positioning pin 4; the positioning pin 4 and the dot-marking needles 3 are respectively arranged on the transverse block and the longitudinal block of the C-shaped slider. At this time, the dot-marking needles 3 on both sides work simultaneously, and can dot both sides of the reduced diameter portion 100 at the same time.

[0050] The above are only preferred embodiments of the present invention. It should be noted that the above preferred embodiments should not be regarded as limiting the present invention. The protection scope of the present invention should be based on the scope defined by the claims. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the spirit and scope of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An automatic marking machine for copper pipe joints, characterized in that: Including feeding mechanism and dotting mechanism; The feeding mechanism comprises an inclined slideway and a feeding component arranged above the dotting mechanism; the feeding component can move up and down to deliver the copper pipe joint to be dotted to between the left and right slide blocks; the feeding component comprises an upper and lower clamping block; the two clamping blocks are movably connected and grooves are provided on the contact surfaces of the two clamping blocks, so that when the two clamping blocks are closed, a clamping cavity for accommodating the copper pipe joint to be dotted can be formed; a reset spring I is provided between the two clamping blocks; The clamping cavity can move with the loading component to face the slide outlet to receive the copper pipe joint to be marked from the slide; the upper clamping block includes a shielding facade arranged above the clamping cavity. When the loading component moves up and down, the shielding facade can shield the slide outlet to prevent the copper pipe joint to be marked from slipping.

2. The automatic dotting machine for copper pipe joints according to claim 1 is characterized in that: The dotting mechanism includes two sliders arranged on the left and right; the sliders can move closer to or farther away from each other along the guide column to clamp or loosen the copper pipe joint to be dotted; a dotting needle is arranged on the slider in a direction perpendicular to the guide column; the dotting needle can move back and forth to dot the reduced diameter part of the copper pipe joint to be dotted; a push plate is arranged behind the dotting needle to drive the dotting needle to dot, and the push plate is driven by a linear drive mechanism; a reset spring II is arranged between the dotting needle and the slider.

3. The automatic dotting machine for copper pipe joints according to claim 1 is characterized in that: The slider is provided with a positioning pin, and when the left and right sliders are close to each other, the positioning pin can be inserted into the reduced diameter portion of the copper pipe joint to be dotted.

4. The automatic dotting machine for copper pipe joints according to claim 3 is characterized in that: The outer diameter of the positioning pin is consistent with the inner diameter of the reduced diameter portion of the copper pipe joint to be dotted.

5. The automatic dotting machine for copper pipe joints according to claim 3 is characterized in that: The positioning pin can slide forward and backward, and a baffle is arranged behind the positioning pin. When the slider moves in the separation direction, the positioning pin can contact the baffle to push the positioning pin forward; a return spring III is arranged between the positioning pin and the slider.

6. The automatic spotting machine for copper pipe joints according to claim 5, characterized in that: It also includes a bottom block for supporting the guide column; the baffle is provided with a long hole arranged along the axial direction of the guide column, and the adjusting bolt passes through the long hole to fix the baffle on the bottom block.

7. The automatic spotting machine for copper pipe joints according to claim 3 is characterized in that: The slider is L-shaped, which is composed of a horizontal block and a vertical block. The positioning pin and the dot-marking needle are respectively arranged on the horizontal block and the vertical block of the L-shaped slider.

8. The automatic spotting machine for copper pipe joints according to claim 2, characterized in that: The slider is C-shaped, which is composed of two longitudinal blocks and one transverse block. The dot-marking needles are two symmetrically arranged along the axis of the positioning pin. The positioning pin and the dot-marking needle are respectively arranged on the transverse block and the longitudinal block of the C-shaped slider.

9. The automatic dotting machine for copper pipe joints according to claim 1, characterized in that: The upper clamping block and the lower clamping block are connected by a hinge.

10. The automatic spotting machine for copper pipe joints according to claim 1, characterized in that: An axial mounting groove is formed on the upper clamping block and the lower clamping block, and the reset spring I is arranged in the mounting groove.

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