CN213106472U

CN213106472U - PTC heater solidification positioning fixture

Info

Publication number: CN213106472U
Application number: CN202021678822.2U
Authority: CN
Inventors: 徐平
Original assignee: Jiaxing Sanjie Electric Appliance Co ltd
Current assignee: Jiaxing Sanjie Electric Appliance Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-04
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a curing and positioning clamp of a PTC heater, which comprises a positioning device and a fixing device, the positioning device comprises a workbench, a positioning area is arranged on the workbench, a plurality of positioning columns are arranged on one side of the workbench corresponding to the positioning area, a positioning cylinder is arranged on the other side of the workbench corresponding to the positioning area, the positioning cylinder is horizontally arranged, the fixing device comprises a fixing frame and a clamping cylinder, the clamping cylinder is arranged on the workbench and is positioned at the same side with the positioning cylinder, the die clamping cylinder level sets up, the mount includes fixed leg and fixed beam, and fixed leg is located the both sides of fixed beam, and the appearance of mount is character cut in bas-relief, is provided with the space that supplies fixed leg to place between the adjacent reference column, places and is provided with the screw hole on the fixed leg between the reference column, threaded hole is provided with the screw, the utility model discloses a PTC heater solidification positioning fixture can fix a position and fix the PTC heater.

Description

PTC heater solidification positioning fixture

Technical Field

The utility model relates to a positioning fixture field, specific PTC heater solidification positioning fixture that says so.

Background

The PTC heater is also called as PTC heater, and is composed of PTC ceramic heating element and aluminum tube. The PTC heating element has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater. The safety device is characterized in that the surface of an electric heating tube heater does not turn red under any application condition on the safety performance, so that potential safety hazards such as scalding and fire hazards are caused.

In the production of the PTC heater, a PTC ceramic heating element and an aluminum pipe are required to be adhered together through glue solution, and then the PTC ceramic heating element and the aluminum pipe are put into a drying oven to be dried and cured, so that the PTC heater is obtained finally; before the PTC heater is placed in the oven, the bonded PTC ceramic heating element and the aluminum pipe need to be positioned and clamped, so that the problem that the head and the end of the obtained PTC heater are uneven or the heat dissipation ripple heating surface of the obtained PTC heater is uneven or inclined, which affects the appearance and assembly and finally causes scrapped products is avoided, and therefore a positioning and fixing clamp is needed to ensure that the PTC heater can be neatly and smoothly placed in the oven.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a PTC heater solidification positioning fixture can fix a position and fix the PTC heater, makes the PTC heater can be neat and level in putting into the oven.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a PTC heater solidification positioning fixture, includes positioner and fixing device, positioner includes the workstation, be provided with the locating area on the workstation, one side that corresponds the locating area on the workstation is provided with a plurality of reference columns, and the opposite side that corresponds the locating area on the workstation is provided with the location cylinder, location cylinder level sets up, fixing device includes mount and die clamping cylinder, die clamping cylinder sets up on the workstation and is in same one side with the location cylinder, the die clamping cylinder level sets up, the mount includes fixed leg and fixed beam, and fixed leg is located the both sides of fixed beam, and the appearance of mount is the character cut in bas-relief, is provided with the space that supplies fixed leg to place between the adjacent reference column, places and is provided with the screw hole on the fixed leg between the reference column, threaded hole is provided with the screw.

The fixing device further comprises two positioning strips, and the two positioning strips are located in the positioning area and are respectively arranged on one side facing the positioning column and one side facing the positioning cylinder.

And furthermore, a partition plate is arranged in the middle of the corresponding positioning area on the workbench, and the partition plate is vertically arranged to divide the positioning area into a first positioning area and a second positioning area.

Further die clamping cylinder includes first die clamping cylinder and second die clamping cylinder, and first die clamping cylinder and second die clamping cylinder all fix on the workstation, and first die clamping cylinder is located one side that the reference column was kept away from in first locating area, and second die clamping cylinder is located one side that the reference column was kept away from in the second locating area, and the mount has all been placed to first locating area and second locating area top.

Further the positioning cylinder is arranged between the first clamping cylinder and the second clamping cylinder.

And further push plates are arranged at one ends, facing the positioning area, of piston rods of the positioning air cylinder and the clamping air cylinder.

Further still be provided with flattening device on the workstation, flattening device includes the support, on the support was fixed in the workstation, be provided with down the air cylinder on the support, down the air cylinder be located the top in location district and vertical setting, down the air cylinder the piston rod down and the clamp plate is connected to piston rod one end down.

Furthermore, the area of the pressing plate is larger than that of the positioning area.

Compared with the prior art, the beneficial effects of the utility model are that: the PTC heater can be positioned and clamped through the positioning column and the positioning cylinder; the PTC heater which is well positioned can be fixed through the clamping cylinder, the fixing frame and the two positioning strips, and then the PTC heater can be placed into an oven to obtain a neat and flat PTC heater; the partition plate is arranged to divide the positioning area into a first positioning area and a second positioning area, so that the curing and positioning clamp for the PTC heater can simultaneously position and fix a plurality of groups of PTC heaters, and the partition plate can also position and align the ends of the PTC heaters; the side surface of the PTC heater can be protected from being damaged or scratched by arranging the positioning strip; through setting up flattening device, can flatten the heat dissipation ripple heating surface of PTC heater, guaranteed the level and smooth of PTC heater heat dissipation ripple heating surface.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a three-dimensional structure diagram (without a flattening device) of a curing and positioning fixture for a PTC heater according to the present invention;

fig. 2 is a top view (without a flattening device) of a PTC heater curing and positioning fixture according to the present invention;

fig. 3 is a three-dimensional structure diagram (with a flattening device) of a curing and positioning fixture for a PTC heater according to the present invention;

fig. 4 is a front view (with a flattening device) of a curing and positioning fixture for a PTC heater according to the present invention;

fig. 5 is a top view (with a flattening device) of a PTC heater curing positioning fixture according to the present invention;

fig. 6 is a right side view (with a flattening device) of a PTC heater curing positioning fixture according to the present invention;

fig. 7 is a perspective view of the fixing frame.

Labeled as: 1. a work table; 2. positioning the air cylinder; 3. a first clamping cylinder; 4. a second clamping cylinder; 5. a positioning column; 6. a fixed mount; 61. a fixed leg; 62. a fixed beam; 7. a screw; 8. a positioning bar; 9. pushing the plate; 10. a partition plate; 11. a PTC heater; 12. a support; 13. pressing down the air cylinder; 14. and (7) pressing a plate.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

A PTC heater curing positioning jig according to the present invention will be described with reference to fig. 1 to 7.

A curing and positioning clamp of a PTC heater 11 comprises a positioning device and a fixing device, wherein the positioning device comprises a workbench 1, a positioning area is arranged on the workbench 1, one side of the workbench 1 corresponding to the positioning area is provided with a plurality of positioning columns 5, the other side of the workbench 1 corresponding to the positioning area is provided with a positioning cylinder 2, the positioning cylinder 2 is horizontally arranged, the fixing device comprises a fixing frame 6 and a clamping cylinder, the clamping cylinder is arranged on the workbench 1 and is positioned at the same side with the positioning cylinder 2, the clamping cylinder is horizontally arranged, the fixing frame 6 comprises a fixing leg 61 and a fixing beam 62, the fixing leg 61 is positioned at two sides of the fixing beam 62, the fixing frame 6 is shaped like a Chinese character 'ao', a space for placing the fixing leg 61 is arranged between the adjacent positioning columns 5, and a threaded hole is arranged on the fixing leg 61 placed between the positioning columns 5, a screw 7 is arranged in the threaded hole;

after the PTC heater 11 is coated with glue solution and before the PTC heater 11 is placed into the oven, the PTC heater 11 needs to be clamped and fixed, as shown in figures 1 and 2, the PTC heater 11 is placed into a positioning area, one side of the PTC heater 11 is close to a positioning column 5, then a positioning cylinder 2 is started, a piston rod of the positioning cylinder 2 starts to push the PTC heater 11, then an opening of a fixing frame 6 is put down on the PTC heater 11, the PTC heater 11 is positioned in an open slot, then the clamping cylinder is started, the piston rod of the clamping cylinder can push the fixing frame 6 tightly, the fixing frame 6 and the PTC heater 11 are tightly attached on the left side, then a screw 7 on a fixing leg 61 positioned between the positioning columns 5 on the right side is rotated, the screw 7 pushes the PTC heater 11 tightly, the PTC heater 11 is completely fixed in the open slot of the fixing frame 6, then the positioning cylinder 2 is started to loosen the positioning of the PTC heater 11 and the clamping cylinder, finally, the fixing frame 6 (with the PTC heater 11 fixed) is taken up and put into the oven.

Preferably, the fixing device further comprises two positioning strips 8, and the two positioning strips 8 are located in the positioning area and are respectively arranged on one side facing the positioning column 5 and one side facing the positioning cylinder 2; as shown in fig. 1 and 2, the positioning strip 8 is provided to prevent the positioning cylinder 2 and the fixing frame 6 from directly contacting the PTC heater 11, so that the surface structure of the PTC heater 11 is not damaged when the piston rod of the positioning cylinder 2 positions and clamps the PTC heater 11, and surface scratching caused when the screw 7 of the fixing frame 6 pushes the PTC heater 11 tightly is also avoided.

Preferably, a partition plate 10 is arranged on the workbench 1 corresponding to the middle of the positioning area, and the partition plate 10 is vertically arranged to divide the positioning area into a first positioning area and a second positioning area; as shown in fig. 2, the partition plate 10 divides the positioning area into a first positioning area and a second positioning area, so that the curing and positioning fixture for the PTC heater 11 of the present invention can simultaneously position and fix a plurality of groups of PTC heaters 11, and the partition plate 10 can also position and align the ends of the PTC heaters 11.

Preferably, the clamping cylinders comprise a first clamping cylinder 3 and a second clamping cylinder 4, the first clamping cylinder 3 and the second clamping cylinder 4 are both fixed on the workbench 1, the first clamping cylinder 3 is positioned at one side of the first positioning area, which is far away from the positioning column 5, the second clamping cylinder 4 is positioned at one side of the second positioning area, which is far away from the positioning column 5, and fixing frames 6 are respectively arranged above the first positioning area and the second positioning area;

as shown in fig. 2, the fixing frames 6 are respectively arranged on the first positioning area and the second positioning area to ensure that the PTC heaters 11 in the first positioning area and the second positioning area can be well fixed; and the first clamping cylinder 3 clamps the fixing frame 6 on the first positioning area, and the second clamping cylinder 4 clamps the fixing frame 6 on the second positioning area.

Preferably, the positioning cylinder 2 is arranged between the first clamping cylinder 3 and the second clamping cylinder 4; as shown in fig. 2, the positioning cylinder 2 is arranged between the first clamping cylinder 3 and the second clamping cylinder 4, so that the positioning cylinder 2 can act on the positioning strip 8 when the PTC heater 11 is clamped in a positioning manner, the thrust of the positioning cylinder 2 acts between the first positioning area and the second positioning area, the thrust of the first positioning area and the thrust of the second positioning area are equal, and the unequal thrust of the first positioning area and the thrust of the second positioning area are avoided.

Preferably, push plates 9 are arranged at one ends, facing the positioning area, of piston rods of the positioning cylinder 2 and the clamping cylinder; as shown in fig. 2, the push plate 9 is arranged, so that when the positioning cylinder 2 positions and clamps the PTC heater 11, the positioning strip 8 is clamped and positioned by the push plate 9, the stress area of the positioning strip 8 is increased, and the stress of the positioning strip 8 is more uniform; the push plate 9 is arranged on the piston rod of the clamping cylinder, so that when the clamping cylinder clamps the fixing frame 6, the fixing leg 61 of the fixing frame 6 can be easily aligned to clamp the fixing frame 6.

Preferably, a flattening device is further arranged on the workbench 1, the flattening device comprises a support 12, a downward pressing cylinder 13 and a pressing plate 14, the support 12 is fixed on the workbench 1, the downward pressing cylinder 13 is arranged on the support 12, the downward pressing cylinder 13 is arranged above the positioning area and is vertically arranged, a piston rod of the downward pressing cylinder 13 faces downwards, and the downward end of the piston rod is connected with the pressing plate 14;

as shown in fig. 4, when the PTC heater 11 in the positioning region is pressed, the pressing cylinder 13 is activated, the piston rod of the pressing cylinder 13 drives the pressing plate 14 to move downward, when the pressing plate 14 contacts the heat-dissipating corrugated heating surface of the PTC heater 11, the pressing plate 14 is pressed to be flat, so that the heat-dissipating corrugated heating surfaces of all the PTC heaters 11 are kept flush, and finally, the piston rod of the pressing cylinder 13 drives the pressing plate 14 to move upward, so that the pressing of the PTC heater 11 is completed.

Preferably, the area of the pressure plate 14 is larger than that of the positioning area; when the pressing plate 14 presses the heat dissipation corrugated heating surfaces of the PTC heaters 11, the area of the pressing plate 14, which is larger than the area of the positioning area, can ensure that all the heat dissipation corrugated heating surfaces of the PTC heaters 11 are pressed, so as to ensure that the heat dissipation corrugated heating surfaces of the PTC heaters 11 are flat.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a PTC heater solidification positioning fixture which characterized in that: including positioner and fixing device, positioner includes the workstation, be provided with the location district on the workstation, one side that corresponds the location district on the workstation is provided with a plurality of reference columns, and the opposite side that corresponds the location district on the workstation is provided with the location cylinder, location cylinder level sets up, fixing device includes mount and die clamping cylinder, die clamping cylinder sets up on the workstation and is in same one side with the location cylinder, the die clamping cylinder level sets up, the mount includes fixed leg and fixed beam, and fixed leg is located the both sides of fixed beam, and the appearance of mount is character cut in bas-relief, is provided with the space that supplies fixed leg to place between the adjacent reference column, places to be provided with the screw hole on the fixed leg between the reference column, threaded hole is provided with the screw.

2. A PTC heater curing positioning jig as defined in claim 1, wherein: the fixing device further comprises two positioning strips, wherein the two positioning strips are located in the positioning area and are respectively arranged on one side facing the positioning column and one side facing the positioning cylinder.

3. A PTC heater curing positioning jig as defined in claim 2, wherein: the middle of the corresponding positioning area on the workbench is provided with a partition plate, and the partition plate is vertically arranged to divide the positioning area into a first positioning area and a second positioning area.

4. A PTC heater curing positioning jig according to claim 3, wherein: the clamping cylinder comprises a first clamping cylinder and a second clamping cylinder, the first clamping cylinder and the second clamping cylinder are both fixed on the workbench, the first clamping cylinder is located on one side, away from the positioning column, of the first positioning area, the second clamping cylinder is located on one side, away from the positioning column, of the second positioning area, and the fixing frame is placed above the first positioning area and the second positioning area.

5. A PTC heater curing positioning jig according to claim 4, wherein: the positioning cylinder is arranged between the first clamping cylinder and the second clamping cylinder.

6. A PTC heater curing positioning jig according to claim 5, characterized in that: and push plates are arranged at one ends of the piston rods of the positioning cylinder and the clamping cylinder, which face the positioning area.

7. A PTC heater curing positioning fixture according to claim 6, wherein: still be provided with flattening device on the workstation, flattening device includes the support, on the support was fixed in the workstation, be provided with down the air cylinder on the support, down the air cylinder be located the top in location district and vertical setting, down the piston rod of air cylinder down and the clamp plate is connected to piston rod one end down.

8. A PTC heater curing positioning jig as defined in claim 7, wherein: the area of the pressure plate is larger than that of the positioning area.