Table tennis rubber cutter convenient to carry

Abstract

The utility model provides a portable table tennis rubber sheet cutter which comprises a machine shell, a gap for inserting a racket is arranged between the upper side and the lower side of the machine shell, a notch is further formed in the upper end face of the machine shell, a tool apron installation groove is formed below the notch, a tool apron is installed in the tool apron installation groove, and a cutter for cutting rubber sheets is installed on the tool apron. A motor is horizontally installed on the side, opposite to the tool apron installation groove, in the machine shell, the output end of the motor is connected with an eccentric part, the eccentric part is in driving connection with the tool apron, and the eccentric part is used for driving the tool apron to move up and down in the vertical direction along the tool apron installation groove. The requirement of cutting work for motor power can be greatly reduced, the size specification of the motor is reduced, the occupied space is smaller, and the cutting machine is more convenient to carry and use when people go out. And tool changing, maintenance, operation and use are simpler, more convenient and faster.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting equipment technical field especially, it relates to a convenient to carry ping -pong rubber cutting device. BACKGROUND

[0002] Ping -pong ball enthusiasts in the process of maintaining the racket, usually will be attached to the new rubber for the racket. Rubber is fixed shape rubber sheet, needs the operator to trim after attaching to the racket.

[0003] The cutting of ping -pong ball rubber is mostly with scissors, art knife, scalpel, and the level of the operator is high, in the trimming process, the rubber is cut and the edge is not smooth, which affects the appearance of the racket. The cutting equipment is used for cutting treatment more flat, but the equipment is often large in size, not convenient to carry out, and the cutting size is not convenient to adjust, which is difficult to meet the different racket cutting use requirements.

[0004] The prior art application No. CN202420516150.7 is a convenient to carry ping -pong rubber cutting machine, the inside bottom side of the shell is fixedly installed with a motor near the right side, the output shaft outer surface of the motor is fixedly provided with a first bevel gear, the inside of the shell is fixedly installed with a support frame near the right side, the inside right side of the support frame is movably embedded with a second bevel gear near the top, and the second bevel gear is engaged with the adjacent first bevel gear. The left side center of the second bevel gear is provided with a transmission rod, and the left side of the transmission rod is fixedly installed with an eccentric shaft. When the second bevel gear rotates, the eccentric shaft is driven to rotate synchronously through the transmission rod, and the eccentric shaft can drive the blade to reciprocate when rotating, so that the staff rotates the racket to cut off the rubber. The longitudinal motor and gear transmission assembly used in the technical scheme occupy a large amount of use space, and there is a certain power loss in the transmission output of the eccentric shaft, so the motor power and size requirement is higher.

[0005] A new type of convenient to carry ping -pong rubber cutting device is needed to solve the above problems. INVENTION CONTENTS

[0006] The utility model provides a convenient to carry ping -pong rubber cutting device, through the technical transformation of the prior cutting device, the problem that the prior ping -pong rubber cutting device structure is more complex, motor power requirement is higher, and the space is large is solved.

[0007] In order to achieve the above object, the technical scheme adopted by the utility model is:

[0008] The utility model provides a portable table tennis rubber cutter, including the casing, the gap that is provided with for the bat insertion between the upper and lower sides of casing, the casing upper end face still is provided with the notch, is provided with the cutter seat installation groove below the notch, installs the cutter seat in cutter seat installation groove, install the cutting knife for cutting rubber on the cutter seat, the motor is horizontally installed to the opposite cutter seat installation groove side in the casing, the motor output end is connected with eccentric piece, eccentric piece and cutter seat drive connection setting, eccentric piece is used for driving the cutter seat and sets up the vertical direction up and down along cutter seat installation groove.

[0009] Preferably, the upper and lower sides of the casing are respectively provided with an upper pressing plate set and a lower pressing plate set, which are used for clamping the bat.

[0010] Preferably, the casing is provided with an upper support set and a lower support set, a first return spring is arranged between the upper support set and the inner wall of the casing, a second return spring is arranged between the lower support set and the inner wall of the casing, a motor mounting groove is arranged in the upper support set, the motor is movably arranged in the motor mounting groove, the cutter seat mounting groove is arranged at the left side of the upper support set, and the eccentric piece extends through the upper support set and is connected with the cutter seat in driving mode.

[0011] Preferably, a cutter changing slide plate is movably arranged at the notch of the casing, a motor positioning seat is fixedly connected to the bottom of the cutter changing slide plate, the motor positioning seat is engaged with the motor, and the cutter changing slide plate is used for driving the motor to slide horizontally along the motor mounting groove.

[0012] Preferably, a semicircular groove is arranged at the side of the cutter seat opposite to the motor mounting groove, when the motor slides to the left end of the motor mounting groove, the eccentric piece of the motor is in contact with the lower edge of the semicircular groove, and when the motor slides to the right end of the motor mounting groove, the eccentric piece of the motor is separated from the semicircular groove and in contact with the upper edge of the semicircular groove.

[0013] Preferably, a cutter holder set is arranged between the upper support set and the lower support set, the cutting knife arranged on the cutter seat passes through the cutter holder set, and the cutter holder set is provided with an adjusting knob for adjusting the distance between the bat and the cutting knife.

[0014] Preferably, a switch is arranged on the casing and electrically connected with the motor arranged in the casing.

[0015] The utility model has the advantages that:

[0016] Compared with the prior art, the utility model discloses adopt the motor structure of horizontal placement, and the motor output end is directly connected with eccentric part, and the motor directly drives the knife seat up and down through eccentric part, and the blade is used to cut the rubber of the racket.

[0017] And when using the utility model, the eccentric part is separated from the semicircular groove of the knife seat through the opening of the sliding tool changing slide plate, the knife seat can move up and down along the knife seat mounting groove, and the tool changing is carried out after being separated from the opening, and after replacement, the eccentric part is inserted into the semicircular groove, the eccentric part is in contact with the upper edge of the semicircular groove, the semicircular groove and the eccentric part are positioned at the same height, and then the eccentric part is inserted into the semicircular groove and fixed through the sliding tool changing slide plate, so that the operation is simple, convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the knife seat mounting groove of the utility model;

[0020] Figure 3 It is the front structure schematic diagram of the knife seat of the utility model;

[0021] Figure 4 It is the side schematic diagram of the knife seat of the utility model;

[0022] Figure 5 It is the A-A' section schematic diagram of the knife seat of the utility model;

[0023] Figure 6 It is the B-B' section schematic diagram of the knife seat of the utility model;

[0024] Explanation of reference numerals: casing 1, opening 11, knife seat 2, semicircular groove 21, cutter 22, motor 3, eccentric part 4, eccentric shaft 41, upper pressing plate set 5, lower pressing plate set 6, upper support set 7, knife seat mounting groove 71, first reset spring 72, motor mounting groove 73, lower support set 8, second reset spring 81, tool changing slide plate 9, motor positioning seat 91, switch 10, tool holder set 11. DETAILED DESCRIPTION

[0025] The specific content of the utility model will be described in detail below in combination with the drawings and examples.

[0026] Please refer to Figures 1-6The utility model provides a portable table tennis rubber cutting device, including casing 1, the interval that is provided with for racket insertion between the upper and lower sides of casing 1, the upper end face of casing 1 is also provided with the notch 11, the lower of notch 11 is provided with the cutter holder installation groove 71, the cutter holder 2 is installed in cutter holder installation groove 71, the cutter 22 for cutting rubber is installed on the cutter holder 2, the motor 3 is horizontally installed in casing 1 relative to cutter holder installation groove 71 one side, the output of motor 3 is connected with eccentric piece 4, eccentric piece 4 and cutter holder 2 drive connection setting, eccentric piece 4 is used for driving cutter holder 2 and is set up in vertical direction up and down along cutter holder installation groove 71.

[0027] Further, the upper and lower sides of the casing 1 are respectively provided with an upper pressing plate set 5 and a lower pressing plate set 6, and the upper pressing plate set 5 and the lower pressing plate set 6 are used for clamping the racket.

[0028] The structure of the upper pressing plate set 5 and the lower pressing plate set 6 can refer to the portable table tennis rubber cutting machine with patent application number CN202420516150.7. When the racket is placed at the center of the first clamp disc and the second clamp disc, the first clamping sleeve has four groups of guide grooves, each group of guide grooves has high and low clamping positions, the four protrusions of the first clamping core are embedded in the guide grooves of the clamping sleeve, and the inclined surface between the first clamping core and the first top rod is in contact. When the racket is placed at the center of the first clamp disc and the second clamp disc, the first clamp disc is raised by pressure, and the return spring is retracted. Then, the first top rod is pressed to push the first clamping core to rise to the top of the guide groove. The inclined surface of the first top rod pushes the protrusion of the first clamping core to turn into the next guide groove, thereby clamping the first clamp disc and allowing it to rotate horizontally. The second top rod is pressed to push the second clamping core to rise to the top of the guide groove. The inclined surface of the second top rod pushes the protrusion of the second clamping core to turn into the next guide groove. The second clamp disc is connected to the second clamping core but cannot be extended. The second clamp disc can rotate horizontally inside the second clamping sleeve. When the first clamp disc is fixed, the racket can be rotated to change the cutting direction.

[0029] Further, the casing 1 is provided with an upper support set 7 and a lower support set 8. The first return spring 72 is arranged between the upper support set 7 and the inner wall of the casing 1. The second return spring 81 is arranged between the lower support set 8 and the inner wall of the casing 1. The motor installation groove 73 is arranged in the upper support set 7. The motor 3 is movably installed in the motor installation groove 73. The cutter holder installation groove 71 is arranged on the left side of the upper support set 7. The eccentric piece 4 extends into the cutter holder installation groove 71 through the upper support set 7 and is drivingly connected to the cutter holder 2.

[0030] Further, the horizontal movable installation of the slot 11 of the casing 1 is provided with a tool changing slide plate 9, the bottom of which is fixedly connected with a motor positioning seat 91, which is in clamping connection with the motor 3, and the tool changing slide plate 9 is used to drive the motor 3 to slide horizontally along the motor installation slot 73.

[0031] Further, the tool seat structure of the present application is as shown in the figure. Figures 3-6 As shown in the figure. The tool seat 2 is provided with a semi-annular groove 21 on one side relative to the motor installation slot 73, when the motor 3 slides to the leftmost end of the motor installation slot 73, the eccentric shaft 41 of the eccentric part 4 of the motor 3 is in abutting connection with the lower edge of the semi-annular groove 21, and when the motor 3 slides to the rightmost end of the motor installation slot 73, the eccentric shaft 41 of the eccentric part 4 of the motor 3 is separated from the semi-annular groove 21 and is in abutting connection with the upper edge of the semi-annular groove 21.

[0032] Further, the upper support set 7 and the lower support set 8 are further provided with a tool holder set 11, the cutting tool 22 installed on the tool seat 2 passes through the tool holder set 11, and the tool holder set 11 is provided with an adjusting knob for adjusting the distance between the racket and the blade. The tool holder set 11 comprises a retainer, a spacer, a small support, a screw rod and an adjusting knob, the retainer is rotatably installed between the upper support set 7 and the lower support set 8, the blade is embedded in the inside of the retainer, the screw rod is threadedly fixed on the small support, and the adjusting knob is connected with the screw rod, the adjusting knob drives the small support to translate in the spacer through the screw rod and the thread, in use, the middle position of the racket is clamped and arranged between the upper pressing plate set 5 and the lower pressing plate set 6, the side edge of the racket is in abutting connection with the left side of the small support, and the distance between the racket and the blade can be adjusted by rotating the adjusting knob, and the width of the rubber edge can be selected.

[0033] Further, the casing 1 is further provided with a switch 10, which is in electric connection with the motor 3 installed in the casing 1.

[0034] In the preparation stage, the tool changing slide plate 9 is first slid to the left to close the slot 11, the small baffle at the bottom of the tool changing slide plate 9 pushes the motor positioning seat 91 to move to the left, thereby driving the motor 3 to move to the left, and at the same time locking the current position of the tool changing slide plate 9. At this time, the eccentric shaft 41 of the eccentric part 4 at the front end of the motor 3 extends into the semi-annular groove 21 of the tool seat 2, and the preparation before cutting is completed.

[0035] In the cutting stage, after the motor 3 is started by turning on the switch 10, the eccentric part 4 is rotated, the eccentric shaft 41 of the eccentric part 4 drives the tool seat 2 and the blade to move up and down rapidly, thereby realizing the cutting action.

[0036] When the tool needs to be changed, the tool changing slide plate 9 is slid to the right to open the slot 11, and before sliding to the final position, the small baffle on the tool changing slide plate 9 pushes the motor positioning seat 91, together with the motor 3, to move to the right, and at the same time locking the current position of the tool changing slide plate 9.

[0037] At this time, the eccentric shaft 41 at the front end of the motor 3 is separated from the lower edge of the half annular groove 21 of the cutter holder 2, but is still within the upper edge.

[0038] At this time, the cutter holder 2 together with the cutter can be taken out for replacement, and when the cutter holder 2 is put back after replacement, the eccentric shaft 41 will be in contact with the upper edge of the annular groove, achieving high positioning of the groove, shaft and the like, and completing the preparation before reworking.

[0039] Compared with the prior art, the motor 3 structure is transversely arranged, the output end of the motor 3 is directly connected with the eccentric part 4, the motor 3 directly drives the cutter holder 2 to move up and down through the eccentric part 4, and the rubber of the racket is cut through the cutter. The structure can greatly reduce the power requirement of the motor 3 for cutting work, reduce the size of the motor 3, occupy less space, and be more convenient to carry and use outside.

[0040] When the application is used, the eccentric part 4 is separated from the half annular groove 21 of the cutter holder 2 by opening the slot 11 through the sliding cutter changing sliding plate 9, the cutter holder 2 can move up and down along the cutter holder mounting groove 71, and the cutter holder 2 is separated from the slot 11 for cutter changing, and after replacement, the eccentric part 4 is inserted into the half annular groove 21 of the cutter holder 2, and the eccentric part 4 is in contact with the upper edge of the half annular groove 21 of the cutter holder 2, achieving high positioning of the half annular groove 21 and the eccentric part 4, and then the eccentric part 4 is inserted into the half annular groove 21 through the sliding cutter changing sliding plate 9 to be fixed, which is simple, convenient and fast to operate and use.

[0041] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limiting. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and they should be covered in the scope of the claims of the utility model.

[0042] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0043] In the description of the utility model, unless another definite provision and limit, term " install " " link " " connect " " fix " should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be direct connection, also can be connected through the intermediate medium, can be two element internal communication or two element mutual action relation. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A portable table tennis rubber cutter, characterized in that, The utility model provides a table tennis bat cutting device, including casing, the gap that is provided with for bat insertion between the upper and lower sides of casing, the notch is also seted up in the upper end surface of casing, the cutter seat installation groove is seted up below the notch, the cutter seat is installed in cutter seat installation groove, the cutter for cutting rubber is installed on the cutter seat, the motor is horizontally installed in the casing opposite cutter seat installation groove side, the eccentric piece is connected with the cutter seat drive setting, the eccentric piece is used for driving the cutter seat to set up the up-and-down movement in the vertical direction along cutter seat installation groove.

2. The portable ping pong ball cutter according to claim 1, wherein, The upper and lower sides of the casing are respectively provided with an upper pressing plate set and a lower pressing plate set, which are used for clamping the bat.

3. The portable ping pong ball cutter as claimed in claim 1, wherein, The casing is provided with an upper support set and a lower support set, a first return spring is arranged between the upper support set and the inner wall of the casing, a second return spring is arranged between the lower support set and the inner wall of the casing, a motor mounting groove is arranged in the upper support set, the motor is movably arranged in the motor mounting groove, the cutter seat mounting groove is arranged on the left side of the upper support set, and the eccentric piece extends into the cutter seat mounting groove through the upper support set and is connected with the cutter seat in a driving manner.

4. The portable ping pong ball cutter as claimed in claim 1, wherein, A cutter changing slide plate is movably arranged in the notch of the casing, a motor positioning seat is fixedly connected to the bottom of the cutter changing slide plate, the motor positioning seat is engaged with the motor, and the cutter changing slide plate is used for driving the motor to slide horizontally along the motor mounting groove.

5. The portable ping-pong ball cutter according to claim 3, wherein, A semicircular groove is arranged on one side of the cutter seat opposite the motor mounting groove, the eccentric piece is in contact with the lower edge of the semicircular groove when the motor slides to the leftmost end of the motor mounting groove, and the eccentric piece is out of the semicircular groove and in contact with the upper edge of the semicircular groove when the motor slides to the rightmost end of the motor mounting groove.

6. The portable ping pong ball cutter of claim 3, wherein, A cutter holder set is arranged between the upper support set and the lower support set, the cutter installed on the cutter seat passes through the cutter holder set, and the cutter holder set is provided with an adjusting knob for adjusting the distance between the bat and the cutter.

7. The portable ping pong ball cutter of claim 1, wherein, A switch is arranged on the casing and is electrically connected with the motor arranged in the casing.

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